156 



THE CACTACEAE. 



trunk 



subtended by small definite leaves like those of Opuntia; spines usually lo, stout, 2 to 3 cm. long, 

 swollen at base, when young brownish or yellowish with brown tips; flowers 15 to 18 cm. long, open- 

 ing at night ; perianth-segments white ; ovary bearing lanceolate acute scales with long hairs in their 

 axils; fruit red, globular, tuberculate, 5 to 6 cm. in diameter, spineless, bearing scales and felt at the 

 arcoles, when mature splitting down on one side; flesh white, juicy; seeds large, black, 3 mm. long. 



f 



' .« V. ^ 



\*-:j:-'--^-^:k*- .-^\- V- ^^^i^^i^...:^^^'\\;% 



^■_fl 





^ 



I 





^ . -* ^ -' -L "^ " 





Fig. 225. — II 



a pomanensis. 



Fig. 226. — Harrisia adscendens. 



Type locality: Near Tambury, Bahia, Brazil. 



Distribution: In the subarid parts of the state of Bahia, Brazil. 



the 



clambering 



common m Bahia, Brazil, either growing 



bush in 



Illustration: Monatsschr. Kakteenk 



Figure 226 is from a ohoto^ranh taVi 



m 1915 



. \ 



15, Harrisia platygona (Otto). 



Cereus plaiygonus Otto in Salm-Dyck, Cact. Hort. Dyck. 1849 199 

 Erwcereus platygonus Riccobono, Boll. R. Ort. Bot. Palermo 8: 2A2. 



1850. 

 1909. 



At first erect, but soon spreading; branches slender, 2 cm. in diameter or more, nearly terete, 



green 



somewhat bronzed; spines 12 to 15, setaceous, very short, the longest only 12 mm. long; flowers 



cm 

 ooUy 



Type locality: Not cited. 



Distribution: Not known, probably South America. 



. i 



