EXH. 99.16
                                                                      ----------

                                POWER OF ATTORNEY
                                -----------------


         Edmund L. Benson, III, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated: May 13, 1999


                                                  /s/ Edmund L. Benson, III
                                                  -------------------------
                                                  Edmund L. Benson, III






                                                                      EXH. 99.16
                                                                      ----------

                                POWER OF ATTORNEY
                                -----------------


              James Ermer, whose signature appears below, does hereby constitute
and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M. Kurucza, Marco
E. Adelfio and Steven G. Cravath, each individually, his true and lawful
attorneys and agents, with power of substitution or resubstitution, to do any
and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999


                                           /s/ James Ermer
                                           ---------------
                                           James Ermer






                                                                      EXH.99.16
                                                                      ----------

                                POWER OF ATTORNEY
                                -----------------


              William H. Grigg, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999


                                                  /s/ William H. Grigg
                                                  --------------------
                                                      William H. Grigg






                                                                      EXH.99.16
                                                                      ----------




                                POWER OF ATTORNEY
                                -----------------


              Thomas F. Keller, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999


                                                  /s/ Thomas F. Keller
                                                  --------------------
                                                      Thomas F. Keller






                                                                      EXH.99.16
                                                                      ----------



                                POWER OF ATTORNEY
                                -----------------


              A. Max Walker, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as an officer of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999


                                                  /s/ A. Max Walker
                                                  -----------------
                                                      A. Max Walker






                                                                      EXH.99.16
                                                                      ----------



                                POWER OF ATTORNEY
                                -----------------


              Charles B. Walker, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999



                                                  /s/ Charles B. Walker
                                                  ---------------------
                                                      Charles B. Walker





                                                                      EXH.99.16
                                                                      ----------




                                POWER OF ATTORNEY
                                -----------------


              Thomas S. Word, Jr., whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as a trustee of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999



                                                  /s/ Thomas S. Word, Jr.
                                                  -----------------------
                                                  Thomas S. Word, Jr.





                                                                      EXH.99.16
                                                                      ----------





                                POWER OF ATTORNEY
                                -----------------


              Carl E. Mundy, Jr., whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as an officer of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999



                                                  /s/ Carl E. Mundy, Jr.
                                                  ----------------------
                                                  Carl E. Mundy, Jr.





                                                                      EXH.99.16
                                                                      ----------


                                POWER OF ATTORNEY
                                -----------------


              James B. Sommers, whose signature appears below, does hereby
constitute and appoint R. Gregory Feltus, Richard H. Blank, Jr., Robert M.
Kurucza, Marco E. Adelfio and Steven G. Cravath, each individually, his true and
lawful attorneys and agents, with power of substitution or resubstitution, to do
any and all acts and things and to execute any and all instruments which said
attorneys and agents, each individually, may deem necessary or advisable or
which may be required to enable Nations Institutional Reserves (the "Trust") to
comply with the Investment Company Act of 1940, as amended, and the Securities
Act of 1933, as amended (the "1933 Act"), and any rules, regulations or
requirements of the Securities and Exchange Commission in respect thereof, in
connection with the filing and effectiveness of the Trust's Registration
Statement(s) on Form N-14 pursuant to the 1933 Act, and to qualify or register
for sale any securities in any state including specifically, but without
limiting the generality of the foregoing, the power and authority to sign, in
the name and on behalf of the undersigned as an officer of the Trust, such
Registration Statement(s), and any and all amendments thereto, filed with the
Securities and Exchange Commission under the 1933 Act, and any other instruments
or documents related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, individually or collectively, shall do or
cause to be done by virtue thereof.

Dated:  May 13, 1999



                                                  /s/ James B. Sommers
                                                  --------------------
                                                      James B. Sommers