BRITTON AND ROSE 



PLATE XXXIV 





■-w" 



.*. 



U J 



'! 



^ 



\.-. 







^yb 



c — r -,- r 



r^ 



,^^ru &. :r;H 



J ■■ JJ 



^. E. Eaton ^el. 



^- 



1 



2 



Part of joint of Opuntia lencolrkha. 

 Part of joint of OpnnHa maxima. 



3. 



r 



Joint of Opmiiia lasiacantha . 



4, Joint of Opwilia robusta. 



■ 



■ ; 



(All natural size.) 



