264 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



EXPLANATION OF PLATE VII 

 Photographed by R. E. Shuey 



Fig. 1. Opuntia myriacantha Weber, young specimen from Indefatigable 



Island. X .436. 

 Fig. 2. Opuntia galapageia Hensl., young specimen from Hood Island. X 



.42. 



