t 



TRICHOCERKUS. 





135 



yellow to brown; flower-buds pointed; flowers very large, 19 to 23 cm. long, borne near tlie top of 

 branches, night-blooming, very fragrant; outer perianth-segments brownish red; inner perianth- 

 segments oblong, white; filaments long, weak, greenish; style greenish below, white above; stigma- 

 lobes linear, yellowish; ovary covered with black curled hairs; axils of scales on flower-tube and fruit 

 bearing long black hairs. 



Collected by J. N, Rose, A. Pachano, and George Rose at Cuenca, Ecuador, September 

 17 to 24, 1918 (No. 22806, type). 



This species is widely cultivated throughout the Andean region of Ecuador, where it is 



and as a hedge plant. In some of the lateral valleys on the 



grown both as an ornamental 



western 



im 



known to the Ecuadoreans as agua-colla or eieanton and has been 



names of Cereus peruvianus 



It is named for Professor 



Quinta Normal at Ambato, Ecuador 

 the hieh Andes of Ecuador. 





Fig. 196. — Trichocereus pachanoi. 



Ligh Andes, ranging from 2,000 to 3,000 meters 

 inlv comes down to about 2,000 meters and ( 



from it grea 



upper range 01 i^emaireottrtLi:> ^uui^n^s^^'^--^j • — -- - ^^^c,,^^a fVir.r.1 



Different as the two plants are, Richard Spruce, keen botan.st as he was, confused them, 

 as the following quotation will show; the part in italics refers to the Lcma.reocenus 



and 



-^u u u'11 A Ko^o^ fn T.P diversified by an arborescent Cactus, with polygonal stems 



The brown hiU-sides began to be diversinca uy <xii ^ hundred rude arms 



u-x J 1-1- 1-1 a r. ...h;rU RrinrruK-like threw wide into tne air ns nunarea ruuv arm:^, 



white dahha-hke flowers, which, Briareus iiRC mrt diameter r 



feel, I saw specimens full 30 J 



Figure ,96 shows the top of a large plant growing on the sides of a cliff on the outskirts 



Ecuador 



