CACTUS FAMILY 



161 



^ii/Cw:<M> 



3334 



3336 







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;1" 



;>^; 



m. 





3338 



3333. Ferocactus acanthodes 



3334. Echinomastus Johnsonii 



3335. Sclerocactus polyancistrus 



3339 



3335. Pediocactus Simpsonii 



3337. Coryphantha Alversonii 



3338. Coryphantha deserti 



'\^'P#L 



3340 



3339. Coryphantha arizonica 



3340. Phellosperma tetrancistra 



