io6 



TH^ cactac^ae;. 



more), somewhat undulate; spines several, subulate, unequal, brown to blackish, the longest 5 to 

 6 cm. long; flowers small, about 4 cm. long, yellow; scales on ovary and flower -tube small, 3 to 4 

 nun. long, acute, bearing felt and spines in their axils; fruit 2 cm. in diameter, reddish. 



Type locality: Cordilleras de Tacna, Chile (formerly Peru), 600 meters altitude. 



Distribution: Northern Chile and near Arequipa, Peru. 



Dr. Rose found this plant (No. 18801) very common on the dry hills just below Are- 

 qtjipa, Peru, growing mostly underground. The separated branches at first seemed to 

 represent distinct plants; it is inconspicuous, its purple stems with black spines resem- 



bling a dead plant. 



Meyen's Travels is usually cited as the original 

 but it was published a year earlier as Ccreus aureus. 



(Gesamtb 



1897). 



combination 

 le name assit 



Meyen 



homonym, we have renamed it for its discoverer, Franz Julius 



1840), a celebrated traveler and writer. 



5 shows a branch collected by Dr. Rose near Arequipa, Peru, in 



'; i. *w,.^'',^ fi' i i ■^■'f-r^^^^^f. 



■» .?; 



■ Hj 







^ ^ 



^ ■ ^x 



. — f -J 



■ ^ "^ - 'V - ■ 



■ X ^ J- ^ ^-i 





tV. 





f- 







&--■ ■ J ■ 



:-<,^ 





. . ■_ ^ 



K"-.-- 



V 



I 



>-\ 



■V:' .^^:f 



..-\' 



-Si 



*<:*^ 



!» 



-^; 



A' 





Ti 



HA 



f,i 



■V? 



-> 



■■vi-'-^ 



^^- 



^^J 





P-X 



T'-f 







" '^ A 



i^ 



T »- 



--^i 



:-*V 



V 



r« 





\y 







^ ^ ^ 



I 



>"i . 



T H 



-fc^> 



'-^ 4 



^^^ 



^^ 



->: 



:? 



^*- 



■ * 



^ 



:;^ai^fe^ 



? ' ^ 



^-.^ 





V'^'->,; - 





s>l"*r ^* 



. r 



'^ - X 



xi"- 



■ >■■ <. '_ 



.r 



"W; 



Img. 156— Branch of E. meyenii. X0.5 



4. Erdisia spiniflora (Philippi). 



t^^r^ 



-V N.h 



'^^-^ 













-,.'*^--l>-*~' ., ^. v-*-- ■■■"■'"■ ■'->•'".•'■' .^-'z, 





.^i-r* -^'^ 



(■■*■ 



mr^' 







^r^"''^!'^ 



1. J J -- 





■*fl^ 



['"%■■." ^"^~ > 



-V 



y<--j^-^-~^p., 



;? 





^>^..AlL^^^i.W 



1^- 



1. 



;:■.■ -'^ 



^ 



■\ 



J . 



%_ 



:,.S^ 



Fig. I57-— Erdisia spiniflora. 



Opuntia spiniflora Philippi. L:„naea 30:211 1 8 so 

 0^»« m bicolor Philippi. Linnaea 33: 83. ,86^ 



-. 1 



:^i 



