CIX. CACTE,E. 



459 



Opuntia. Flower (mag.). 



Opuntia. Vertical section of flower (mag.). 



Opuntia. Flattened branch. 



Opuntia. 



Style and stigma 

 (mag.). 



Cactus granAiflora. 

 Corolla and androecium cut 

 vertically (mag.). 



Cactus grand/flora. 



Transverse section of 



ovary (inag.). 



Opuntia. 



Seed, entire and cut vertically 

 (uiag.)- . 



