274 CALIFORNIA ACADEMY OF SCIENCES  [Proc. 41H SER. 
EXPLANATION OF PLATE XII 
Photographed by R. E. Shuey 
Opuntia galapageia HENSL., specimen of a branch from Charles Island. 
< .38. This specimen contains both stiff and capillary spines in the 
fascicles, in which respect it is intermediate between O. galapageia and 
O. myriacantha. 
