140 



THH CACTAC^AK. 



Type locality: Coquimbo to Paposo, Chile, 



Distribution: Along the coast of the province of Coquimbo, Chile. 



Cereus chilensis nigripilis (Hirscht, Monatsschr. Kakteenk. 8: 159. 1898) doubtless 



belongs here. 



Illustrations: Monatsschr. Kakteenk. 11:27; Schumann, Gesamtb. Kakteen Nachtr. 



f. 3, both as Cereus nigripilis. 



Figure 201 is from a photograph of a plant brought by Dr. Rose from the Botanical 



Garden at Santiago, Chile, in 1914; figure 202 is from a photograph taken by Dr. Rose at 



Coquimbo, Chile, in 19 14. 



13. Trichocereus terscheckii (Parmentier), 



r 



Cereus terscheckii Parmentier in Pfeiffer, Allg. Gartenz. 5: 370. 1837. 

 Cereus fercheckii Parmentier, Hort. Beige 5: 66. 1838 (fide Index Kewensis). 

 Cereus fulvispinus Salm-Dyck, Cact. Hort. Dyck. 1849. 46. 1850. 

 Pilocereus terscheckii Riimpler in Forster, Handb. Cact. ed. 2. 688. 1885. 



At first columnar, in age becoming much branched, 10 to 12 meters high; trunk woody, up to 

 4.5 cm. in diameter; branches i to 2 dm. in diameter; ribs 8 to 14, prominent, 2 to 4 cm. high, obtuse; 

 areoles large, i to 1.5 cm. in diameter, felted, 2 to 3 cm. apart; spines 8 to 15, subulate, yellow, up 

 to 8 cm. lung; flowers very large, 15 to 20 cm. long, 12.5 cm. broad; inner perianth-segments oblong, 

 7 cm. long, acute, white; scales on the ovary and flower-tube ovate, mucronate-tipped, their axils 

 filled with long brown wool. 





a 



b 



Fig. 203. — Trichocereus terscheckii. 

 a, flower; b, fruit. X0.4. 



"J 



Fig. 204. — Trichocereus terscheckii. 



Type locality: Argentir 

 Distribution: Northern 

 This is a very large cac 



pasacana, of the same 



with fewer ribs, different spines, and larger flowers. 



It has frequently been 

 t it is more branched, 



:j?m 



, r 



