134 



the: cactaceae:. 





_ '_ ^ 



4 





Figure 191 is from 



figure 193 shows a 

 Argentina, in 19 16. 



taken by Dr. Rose near Comanche, BoHvia, in 1914; 

 194 a fruit collected by Dr. Shafer near Andalgala, 



^ 9 



f 





'A 

 j- 



^ - 



_ S 



J 

 t 



^ # 



Fig. 193. — Flower of T 



pasacana. ■ X0.6. 



Fig. 194. — Fruit of T. 

 pasacana. X0.6. 



Fig. 195 



Flower of T. candicans. 

 X0.6. 



I ^ 



r f 



6. Trichocereus bridgesii (Salm-Dyck) . 



' ■ ■ ^ ' - _ ^ lJ ■ - ^ . 



_ 1 



Cereus bridgesii Salm-Dyck, Cact. Hort. Dyck. 1849. 208. 1850. 



Cereus lagenaeformis Forster, Hamb. Gartenz. 17: 164. i86i. V -^ 



Cereus bridgesii brevispinus Schumann, Gesamtb. Kakteen'108. 1897. 



Cereus bridgesii lageniformis Schumann, Gesamtb. Kakteen 108. 1897. 



Cereus bridgesii longispinus Maass, Monatsschr. Kakteenk. 15: 119. 1905. 



Cereus lasianthus Schumann in Rusby, Bull. N. Y. Bot. Gard. 4: 365. 1907, as hyponym. 



- > 



- '- r 



5^ 





-■ ^_ 



V 



green 



y 



dm. in diameter, 4 to 8-ribbed; ribs obtuse, separated by broad but shallow intervals; areoles large, 

 about 2 cm. apart; spines 2 to 6, yellowish, acicular to subulate, very unequal, sometimes 10 cm. 



+1 - - 



segments 



large 



r 



^^ 



sometimes only 3 to 4 mm. long, scattered, bearing numerous hairs in their axils; fruit scaly, long- 



hairy 



* + 



^ L 



1^ 



F-" 



Typ 



-t' 



1 



^ 



La 



L 



placed on the tops of walls for the protection of gardens. 



Mr. Juan Sohrens reports a similar plant from northern Chile which may 



J J 



may 



came from that country 



named 



T ' 



r 

 4- 



specimens from 



(No. 18842) closely resemble living plants so named from European collections, now rep- 

 resented in the New York Botanical Garden, so that we have no hesitancy in referring 

 them here. 



7. Trichocereus pachanoi sp. no v. 



Plants tall, 3 to 6 meters high, with numerous strict branches, sHghtly glaucous when young, 

 dark green m age ; ribs 6 to 8, broad at base, obtuse, with a deep horizontal depression above the 

 areole; spmes often wantmg, when present few, 3 to 7, unequal, the longest i to 2 cm. long, dark 





r " 



^ r ■ 



J- ' h - ' 





r^ 



^■ J 



_ . . H 



h - 



