34 



THE CACTACEAE. 



linear cream-colored, erect; stamens numerous, mcluded; ovary 

 olive-green; fruit crowned by the persisting style, salmon-colored, 

 mature splitting from top to bottom, exposing the white juicy pulp. 



naked or nearly so, oblong, 

 about 6 cm. long, when fully 



Type locality: La 

 Distribution: Not 



Colombia 



J. N. Rose In 19 15, on the mountains between La Gu 



and Caracas (No. 21828) and again near Puerto Cabello, Venezuela (No. 21859). 



This species was also collected by WilHam R. Maxon in April 1906, at Puerto CoiomDia 

 Colombia, and in June of the same year at the same place by H. Pittier, and by John G 



Mr. Maxon' s plant was confused with Cephalo 



Marta. Colombia 



material collected by Mr. Pittier from the State 



M oilers 



Mrs. J 



Santa 



from a photograph of the top of a plant collected by J. G. Sinclair 

 ure 16 shows the flower of the Caracas plant and figure 37 its fruit. 



W 



■ .^- \-: ^- 



tr- _ 







- ^ . ' 



J I-- ' -' \ 





^ .^ 





\ - 



11. 



Fig. 38. — Cejhalocereus russelianus. 



ocereus gounellei (Weber). 



Fig. 39. — ^Cephalocereus russelianus. 



Filocercus gounellei Weber in Schumann, Gesamtb. Kakteen 1 88 1807 



Ureus setosus Gurke in Ule, Mouatsschr. Kaktecnk. 18: 19. '1908 Not Loddiu^cs 18^12 



iV<.rfrfH5 5f/05«5 Giirke, Monatsschr. Kakteenk. 18:52. 1908 ^^o^ ^^oacli^cs. 1832. 



diametT^,RlVw?tV?'r1oL^"''^'''/?^' T"^ branched and spreading to as much as 5 meters in 

 Hr creen n" the tin. ^ T""^^ ''"""^ "P ^° ^ ' ""^- ^" ^^^^^^^ ' ^^^^^ ^'■^"^^hes at first spread- 

 or^7 stou^t Icute more or lp..'"t\''' '?? ''""'', ^T'"""^' ^^^ ^PP^^ ^'^""^^^^ horizontal; ribs 10 

 ^N^thmfnv W whirhn?^^^^^^^^^ ^-5 ^^"- i" diameter; flowering areoles 



Wreentr.f soTi^^s^.^^^^^ flower-buds; radial spines 15 to 24, widely spreading. 



perbnihTubi Tmn^ h^^^^^^^^^ '^^^ ^^- radials sometimes Jo c^m. lon^; 



stigma-lobes 15 to 18; ovary-^gSfotls^^urp^^S I^^^^^^^^^^ ^'^^^" ^'^" ^"^ '"^'^ 



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