174 Proceedings of the Biological Society of Washington. 



ies obscure) , firm but somewhat spreading herbaceous tip, densely covered 

 on their exposed surface with large and small sessile and short-stipitate 

 yellowish glands, and obscurely puberulous below; disk corollas apparently 

 pale yellow, rather sparsely hispidulous with subglandular erect hairs on 

 the lower half of the throat, 6 mm. long (tube 1.2 mm., throat slender, 4 

 mm., teeth triangular-ovate, obtusish, 0.8 mm.); achenes (immature) 

 oblong, thickened (lenticular?), hispidulous; pappus a single series of about 

 18 subequal stiff barbellate bristles, 6 mm. long; style branches 1.7 mm. 

 long, the appendages (0.7 mm. long) lance-ovate, obtusish, densely short- 

 hispid outside; anther tips lance-subulate, acute, 0.35 mm. long. 



Type in the U. S. National Herbarium, no. 348162, collected among rocks 

 at Ash Meadows, Sheep Mount, Nevada, altitude 915-1220 meters, May- 

 October, 1898, by C. A. Purpus (no. 6022). 



This new species bears a remarkable superficial resemblance to species 

 of Coleosanthus (Brickellia), and was originally distributed as Brickellia 

 atractyloides. In all its technical characters, however, it is distinctly a 

 member of the group of Aplopappus usually known as Sideranthus. In its 

 truly shrubby stem it appears to be unique among the northern represen- 

 tatives of that group. 



Aster glaucodes pulcher Blake, subsp. nov. 



Similar to Aster glaucodes;^ stem finely hirtellous, except at base, with 

 mostly gland-tipped hairs, densely so in the inflorescence; phyllaries rather 

 densely glandular-hirtellous on their exposed surface and obscurely ciliolate, 

 the outer narrowly oblong, slightly obovate-oblong, or elliptic-lanceolate, 

 with obscurely greenish rounded or obtuse rarely acute tip, the inner lance- 

 linear or linear, acute or acuminate, sometimes purplish-tinged above. 



Type in the U. S. National Herbarium, no. 326729, collected at Elk 

 Ranch, Utah, September 12, 1894, by M. E. Jones (no. 6037). 



Other specimens examined: Arizona: Bright Angel Trail, Grand 

 Canyon, September 10, 1901, Leiberg 5937; same locality, October 22, 1905, 

 Eastwood 2. 



Aster bellus Blake, sp. nov. 



Stems numerous, 6 to 12 cm. long, erect or ascending from a branching 

 woody caudex, flexuous, usually branching, densely cinereous-strigose, very 

 leafy; lowest leaves tufted, spatulate, 5 to 8 mm. long (including the nar- 

 rowed petioliform base), 1.2 to 2 mm. wide, obtuse, 1-nerved, glandular and 

 greenish along midline above, elsewhere densely cinerous-strigose, not 

 ciliate; lower and middle leaves similar, grading into the linear or very 

 narrowly linear-spatulate upper ones, these 4 to 7 mm. long, less than 1 

 mm. wide, acute, similarly pubescent, not ciliate; heads solitary at tips of 

 stems and branches, on naked densely cinereous-strigillose peduncles 1 to 

 1.5 cm. long, the rays probably white, turning to reddish-purplish, the disk 

 whitish, somewhat purplish-tinged when dry; disk about 8 mm. high and 



1 Aster glaucodes Blake, nom. nov. Bucephalus glaucus Nutt. Trans. Amer. Phil. Soc. 

 n. ser. 7: 299. 1840. Aster glaucus Torr. & Gray, Fl. N. Amer. 2: 159. 1841. Not A. 

 glaucu* Nees. 1818. 



