Mycogen Corporation
                                  Exhibit 11
                Statements re Computation of Per Share Earnings
                 (Amounts in thousands, except per share data)


                                                              Three months ended               Six months ended
                                                                   June 30,                         June 30,
                                                            1995             1994             1995            1994
                                                        -----------       ----------       ----------       --------
                                                                                                
Net income (loss).....................................  $    (4,218)      $    6,021       $    4,085       $ 17,444
                                                      
Dividends on preferred stock..........................         (379)            (361)            (754)          (718)
                                                        -----------       ----------       ----------       --------
                                                      
Net income (loss) applicable to common shares.........       (4,597)           5,660            3,331         16,726
                                                      
Adjustment for dividends on preferred stock...........            - (1)          361                - (1)        718
                                                        -----------       ----------       ----------       --------
                                                      
Net income (loss) for computation assuming            
  full dilution.......................................  $    (4,597)      $    6,021       $    3,331       $ 17,444
                                                        ===========       ==========       ==========       ========
                                                      
                                                      
                                                      
                                                      
Weighted average number of shares outstanding:        
Average common shares for computation                 
  of primary net income (loss) per common share (2)...       19,315           19,066           19,261         19,051
                                                      
Stock option equivalent shares........................            - (2)          174                - (2)        176
                                                      
Conversion of preferred shares........................            - (1)        1,609                - (1)      1,602
                                                        -----------       ----------       ----------       --------
                                                      
Average shares for computation of net income (loss)   
  per common share assuming full dilution.............       19,315           20,849           19,261         20,829
                                                        ===========       ==========       ==========       ========
                                                      
                                                      
                                                      
                                                      
Net income (loss) per common share:                   
  Primary.............................................  $      (.24)      $      .30       $      .17       $    .88
                                                        ===========       ==========       ==========       ========
                                                      
  Assuming full dilution..............................  $      (.24)      $      .29       $      .17       $    .84
                                                        ===========       ==========       ==========       ========
                                                                           
                                                                   

(1) Additional shares from the conversion of preferred stock and respective 
adjustments for preferred stock dividends were not included in the calculation 
assuming full dilution where the effect was antidilutive or the dilutive effect 
was less than 3%.

(2) Additional shares from stock option equivalents were not included in the 
calculation of net income (loss) per common share where the effect was 
antidilutive or the dilutive effect was less than 3%.