TRICHOCEREUS. 



139 



Cereus fulvibarbis Otto and Dietrich (Allg. Gartenz. 6: 28. 1838; Cereus chilensis (id- 

 vibarbis Salm-Dyck in Walpcrs, Rcpert. Bot. 2: 276. 1843), said to have come from Chile, 

 is referred to Cereus chilensis by vSchumann, but it is described as having 10 to 13 ribs. 



Cereus polymorphous G. Don (Loudon, Hort. Brit. 195. 1830) and Cactus polymorphic 

 Gillies (published here as a synonym), referred to Cereus chilensis by Schumann, can not be 

 identified from the meager description. It is said to have been introduced from Chile in 

 1827. 



The following names belong here; they have not been accompanied by descriptions. 

 Cereus guinlero Pfeiffer, Enum. Cact. 86. 1837. 



chilensis brevispimdus Salm-Dyck in Walpers, Rcpert. Bot. 2: 276. 1843. 

 spinosior Salm-Dyck in Forster, Handb. Cact. 377. 1846. 

 flavescens Salm-Dyck, Cact. Hort. Dyck. 1849. 44. 1850. 

 ebumeus (Schumann, Gesamtb. Kakteen 63. 1897) based on Eulychnia eburnea Philippi, 



must belong here. 

 linnaci Schumann, Gesamtb. Kakteen 63. 1897. 

 quisco Weber in Hirscht, Monatsschr. Kakteenk. 8: 1 10. 1898. 



Cereus spiuibarbis var. minor Monville and var. purpureas Monville (Labouret, Monogr. 

 Cact. 334. 1853) have been referred here. 



Cereus elegans Lemaire and C. duledevantii Lemaire (Illustr. Hort. 5: Misc. 10. 1858), 

 unpublished, doubtless were given to forms of this species. Echinocactus pyramidalis and 

 E. elegans (Pfeiffer, Enum. Cact. 86. 1837) were given only as synonyms of Cereus chilensis. 



Illustration: Engler and Drude, Veg. Erde 8: pi. 19, as Cereus chilensis. 



Figure 198 is from a photograph of a group of plants taken in Valparaiso, Chile, by 

 Dr. Rose in 19 14; figure 199 is from a photograph of a branch from the same group as 

 grown in the New York Botanical Garden; figure 200 is from a drawing of a flower brought 

 back by Dr. Rose from La Serena, Chile, in 19 14. 



12. Trichocereus coquimbanus (Molina). 



Cactus coquimbanus Molina, Sagg. Stor. Nat. Chil. 170. 1782. 



Cereus nigripilis Philippi, Fl. Atac. 23. i860. 



Cereus coquimbanus Schumann, Gesamtb. Kakteen 58. 1897. 



Plant low, 1 meter high or more, or sometimes prostrate and forming dense thickets; branches 

 7 to 8 cm. in diameter, with 12 or 13 ribs; areoles large, circular, filled with short wool; spines about 

 20, very for; idable, often 7 to 8 cm. long; central spines several, 2 to 6 cm. long; flowers large, 

 white, about 10 cm. long; inner perianth-segments acute; scales of ovary and tube subtending black 

 hairs. 



Fig. 202. — Trichocereus coquimbanus. 



