14 



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142 



TH^ CACTACfiA^, 



The flowers of this species differ from those of typical Trichocereus in 

 slender, bent near the base, and have short perianth-segments. 



Figure 205 is from a photograph taken by Dr. Rose at Arequipa, P 

 206 shows the flower and figure 207 the'fruit of the plant photographed. 



t 



15. Trichocereus huascha (Weber). 



Cereus huascha Weber, Monatsschr. Kakteenk. 3: 151. 1893. 

 Cereus huascha flaviflor us Weber, Monatsschr. Kakteenk. 3: 151. 



1893- 



More 



4 to 5 cm. in diameter; ribs 12 to 18, low, rounded; areoles approximate, often only 5 to 7 mm. 

 apart; spines numerous, acicular, unequal, the longest often 5 to 6 cm, long, yellowish to brown; 

 flowers very variable in color and size, red to yellow, 7 to 10 cm. long, broadly funnelform; scales 

 on the ovary bearing long brown hairs. 



Type locality: Yacutala, Catamarca, Argentina. 



Distribution: Northern Argentina. 



Cereus huascha flaviformis Weber (Monatsschr. Kakteenk. 3 : 136. 1893) is only a name. 



Figure 208 shows a flower and figure 209 a fruit collected by Dr. Shafer near Andal- 

 gala, Argentina, in 191 6; figure 210 is from a photograph of the plant from which the flowers 

 and fruit were taken. 



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Fig. 210. — Trichocereus huascha. 



candicans 



Cereus candicans Gillies in Salm-Dyck, Hort. Dyck 335 18^4 

 Cereus candicans tenuispinus PfeifFer, Enum. Cact. 91. 1837 

 Cereus gladtatus Lemaire, Cact. Aliq. Nov. 28. 1838 

 Cereus candicans rohustior Salm-Dyck, Cact. Hort. Dyck. 1849. 43. 18 so 

 ^Echinocereus candicans Riimpler in Forster. Handb. Cact. ed 2. 832. 1885. 

 Echtnocereus glcultalus Riimpler in Forster, Handb. Cact. ed. 2. 833. i88s 

 Echinopsis candicans Weber. Diet. Hort. Bois 471. 1896, as svnonym. 

 Cereus candicans couranln Schumann, Gesamtb. Kakteen 70 '1807 

 Cereus candicans gladiatus Schumann. Gesamtb. Kakteen 70 1897 



Ccspitose. forming large clumps often i to 3 meters in diameter ; joints erect or spreading, 6 

 dm long or less 14 cm. in diameter or less, rounded at apex; ribs 9 to n, low, rounded or obtuse; 

 w 1h^<^' ^^^f^-^^^^^d when young, 2 to 3 cm. apart; spines subulate, brownish yellow, more or 

 less mottled; radial spines 10 or more, more or less spreading, unequal, the longest 4 cm. long; 



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