^ 



OPUNTIA. 



51 



7. 



ia kleiniae De Candolle, Mem. Mus. Hist. Nat. Paris 



Opuntia wrighlii Engelmann, Proc. Amer. Acad. 3 : 308. 1856. 

 ■Opuntia caerulescens Griffiths, Rep. Mo. Bot. Gard. 20 : 86. 



118 



1828 



1909. 



Stems pale glaucous, sometimes 2.5 meters tall, woody at base; tubercles long; areolcs large 

 a little longer than wide, filled with white wool from the very first; spines usually r, but sometiiues 

 more, from the base of the areole, covered with yellow sheaths, on old joints accompanied by several 

 bristle-hke spines from the lower margin of the areole; glochids yellow to brown ; leaves linear, 15 cm 

 long, acute; flowers 3 cm. long, purplish; petals broad, rounded at apc.x; fruit red, 2 to 2.5 cm long 

 long persisting; seeds 4 to 5 mm. broad. 



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Fig. 61.- — Opuntia arbuscula. 



Fk;. 62. — Opuntia arbuscula. X0.75. 



Type locality: In Mexico. 



Distribution: Texas to central 



Opuntia kleiniae was originally described as without tubercles on the stems, which has 



Mexico 



raised the question whether the plant bearing this name is properly referred; in this 

 respect O. arbuscula answers the description better, but it is very doubtful whether 0. 

 arbuscula could have been known at that time. 



Opuntia kleiniae has long been in cultivation and is to be seen in most collections. 



In 1 910 Dr. Rose collected near Alamos, Mexico, an Op 



joints to 0. kleiniae, but much more spiny. 



Opuntia kleiniae cristata (Cat. Darrah Succ. Manchester 5 



^.einiae laetevirens Salm-Dvck (Cact. Hort. Dyck. 1849, 73. 



form 



. 1850) is only a name. 

 Wiss. Munchen 2 : pi. i, sec. 7, f- 9; Rep. Mo. : 



Gard. 19 : pi. 21, in part; 20 : pi. 6, in part, this last as Opuntia caerulescens. 



Plate VI, figure 6, represents a flowering branch of a specimen 



Simon, of St. Onen. Paris. France, in 



from 



1 901; plate VII, figure i, represents a leafy branch 



h^' 



^L 



of 



Specimen collected by Dr. Rose at Ixmiquilpai 

 Two remarkable oountias were collected in L 



but as they were not in flower or fruit, and have not developed flowers since they were 



brought into cultivation, we are unable to 



them fully; they are doubtless of 





■i. 





this relationship and their characters are given as follows: 

 Opuntia sp. 



Stems 1.3 to 2 meters high, rather weak, often clambering over bushes, lo mm. in diameter, 

 woody below, pale when dry the white epidermis peeling off; lateral branches numerous, horizontal, 





