138 



TH^ CACTAC^AI5. 



Stems rarely single, usually of several branches, sometimes of many, arising from near the base. 



trunk 



ribs usually i6 or 17, low and broad, separated by narrow intervals, divided into large tubercles 

 even when fully mature; radial spines when young light yellow with brown tips but soon becoming 

 gray, 8 to 12, slightly spreading, often stout, i to 2 or even 4 cm. long; central spine single, porrect, 



cm. long; flowers 14 cm. long, outer perianth-segments 



igments 



stigma 



Type locality: Described from cultivated plants supposed to have come from 



Distribution: 



hills in and about the great central valley of Chile, extending from 



quimbo 



While 



into varieties as Schumann 



Echinocactus jeneschianus Pfeiffer (Allg. Gartenz. 8:406. 1840) and Echinocactus 



pepinianus echinoides (Labouret, Monogr 



177- 1853) are referred to Echinocactus 



Labouret 



(Rev. Hort. 35: 173. 



Lemaire 



mentioned 



Lemaire 



(Cact. 61. 1868) states that it is 



based on Ceretis chiloensis, which definitely places 



it here. 



funk 



chumann, Ge- 



samtb. Kakteen 61. 1897) has never been formally 



published. 



472. 1846), referred 



polymorphus (published as a synonym 

 polymorpha in Forster, Handb. Cact. 



here bv Schumann, should 



Mendoza, Argent 



Opuniia glomerata. 



or it is said to come from 

 It may be a form of 



Fig. 200.— Flower of T. chilocnsis. X0.5. 



Fig. 201. — Trichocereus coquimbanus. 



plaeattis Cels (Salm 



Salm 



(Allg. Gartenz, 13:355. 1845), and Ccreus pano- 



.^ ^-^ -850) published as a synonym of 

 the former, were both referred to Cereus chilensis by Schumann, but they came from 

 Bohvia and the description does not fit this species. 



c ■ 



/ ^ 



rt- 



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