146 



THE CACTACEAE. 



2 cm., this one is yellowish brown, darker above; the remaining spines are yellowish when young, 

 then become white, almost translucent, finally they turn gray and are knocked off." (Translation 

 of Schumann's description.) 



Type locality: Not definitely cited. 

 Distribution: Andes, South America. 



Echinopsis catamarcensis Weber, Diet. Hort. Bois 471. 1896. 



Echinocactus catamarcensis Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 500. I9°5- 

 Stems simple, ellipsoid to shortly columnar, up to 1 meter high, grayish green; ribs 13 to 17, 

 high, somewhat undulate; radial spines 10, pale brown, subulate, somewhat curved; central spines 

 4, arranged in a single perpendicular row, somewhat curved; flowers supposed to be yellow. 



Type locality: Catamarca, Argentina. 



Distribution: Argentina. 



Weber gives Cereus catamarcensis (Diet. Hort. Bois 471) as a synonym of this species. 



25. JASMINOCEREUS gen. nov. 



Stems upright and tall with a definite cylindric trunk and a much branched top ; ribs numerous, 

 low; areoles circular, bearing felt and spines; flowers slender, salverform or perhaps funnelform, 

 the slender tube narrowly cylindric, the limb broad, spreading; inner perianth-segments narrow, 

 yellow or brownish; stamens and style exserted; ovary bearing small spreading scales with small 

 tufts of wool in their axils; fruit oblong, smooth, except the small scarious scales, these naked in their 

 axils; seeds minute, black. 



A monotypic genus of the Galapagos Islands, 

 with reference to the flowers. 



The name signifies jasmine-like cereus, 



Fig. 212. — Jasminocereus galapagensis. 



1. Jasminocereus galapagensis (Weber). 



Cereus galapagensis Weber, Bull. Mus. Hist. Nat. Paris 5:312. 1899. 



Cereus sclerocarpus Schumann in Robinson, Proc. Amer. Acad. 38: 179. 1902. 



Tall, often 8 meters high or more; trunk large, cylindric, 15 to 30 cm. in diameter; branches 

 spreading, very stout, composed of many short joints, about 14 cm. in diameter; ribs 15 to 18, low, 



