BRITTON AND ROSE, VOL I! 



PLATE XVII 



r 



f ^ 



, \ 

 ' - n 

 J- 



1 F 



r 



r " 1- 



M. E. Raton dol. 



V 



.' ■ -^ 



■ J _ 



-■ ^ -> - ■ ' r 



. " ^ ^ >^ ' -.. .^" r 



1 



r J ^" 



. ■■"■■ ':"' -^ 



_ n 

 X - 



^* c* H ^ cu. 



f-r_ 



1. 

 2. 



3. 



Heliocereus eleganiissiJi 

 f Heliocereus speciosus, 



w ■ 



[ Harrisia portoricensis 



^ 



^- -. 



1 b ' 1 



^ ■- . ^ 



(All natural size.) 



