24 THE CACTACEAE. 



Cereus peclinatus ar mains Poselger, Allg. Gartenz. 21: 134. 1853. 

 Cereus peclinatus spinosus Coulter, Contr. U. S. Nat. Herb. 3: 387. 1896. 

 Cereus adustus radians Coulter, Contr. U. S. Nat. Herb. 3: 387. 1896. 

 Echinocereus peclinatus adustus Schumann, Gesamtb. Kakteen 271. 1898. 

 Echinocereus peclinatus armatus Schumann, Gesamtb. Kakteen 271. 1898. 

 Echinocereus peclinatus rufispinus Schumann, Gesamtb. Kakteen 272. 1S98. 



Simple, short-cylindric, often only 4 to 6 cm. high; ribs 13 to 15; areoles closely set, elliptic; 

 radial spines 16 to 20, appressed-pectinate, pale; the central spines wanting or solitary, sometimes 

 elongated and porrect; flowers purplish, 3 to 4 cm. long; inner perianth-segments narrow ; ovary and 

 calyx-tube covered with clusters of short brown spines and long wool. 



Type locality: Cosihuiriachi, Chihauhua. 

 Distribution: Mountains near type locality. 



Figure 22 is from a photograph of a plant collected by Dr. Rose at the type locality 

 in 1908. 



Fig. 22. Echinocereus adustus. 



Fig. 23. Echinocereus standleyi. 



31. Echinocereus standleyi sp. nov. 



Nearly globular or short-cylindric, 4 to 5 cm. in diameter; ribs 12 ; areoles elongated, closely set; 

 radial spines about 16, stoutish, whitish but yellow at base; central spine one, similar to but much 

 larger and stouter than the radials, 2 to 2.5 cm. long, porrect. 



Collected by Mrs. S. L. Pattison in the Sacramento Mountains, New Mexico, and 

 obtained from her by Mr. Paul C. Standley in 1906. 



It is a little known species, resembling Echinocereus adustus and E. viridiflorus, but 

 with different spines; neither flower nor fruit has been obtained. 



Figure 23 is from a photograph of the type specimen, preserved in the U. S. National 

 Herbarium. 



32. Echinocereus perbellus sp. nov. 



Stem either simple or clustered, 5 to 10 cm. high; ribs 15, low and broad; distance between the 

 areoles about equal to the length of the areoles themselves; areoles elongated; spines all radials, 

 12 to 15, spreading but not widely, 5 to 7 mm. long, pale brown to reddish or nearly white below; 

 flowers purple, 4 to 6 cm. long; perianth-segments broad, oblong to oblanceolate, acuminate, nearly 

 4 cm. long; areoles on flower-tube very woolly as well as spiny. 



