1913] NELSON & MACBRIDE—WESTERN PLANTS 477 
~ Echeveria nevadensis, n. comb.—Cotyledon nevadensis Wats. 
Bot. Cal. 1:212. 1876. 
~ Echeveria plattiana, n. comb.—Cotyledon plattiana Jepson, Fl. 
West. Middle California 267. 1901. 
“ Echeveria Palmeri, n. comb.—Cotyledon Palmeri Wats. Proc. 
Am. Acad. 14:292. 1879. 
+ Echeveria Rosei, n. n.—Echeveria Palmeri Rose, Bull. N.Y. 
Bot. Gard. 3:10. 1903; not E. Palmeri (Wats.) Nels. and Macbr. 
¢ Echeveria lingula, n. comb.—Cotyledon lingula Wats. loc. cit. 
293. 
v Echeveria Cotyledon, n. comb.—Sedum Cotyledon Jacq. Eclog. 
ee27- Thr: 
v Echeveria Setchellii, mn. comb.—Cotyledon laxa Setchellii 
Jepson, Fl. Middle California 267. rgor. 
v Echeveria Jepsonii, n. n.—Cotyledon caespitosa paniculata 
Jepson, loc. cit.; not Echeveria paniculata Gray, Pl. Wright. 1:76. 
1852. : 
’ Aster siskiyouensis, n. n.— Eucephalus glabratus Greene, Pitt. 
3:56. 1896; not Aster glabratus Kuntze. 
~ Aster perelegans, n. n.—A. elegans T. and G. Fl. 2:159. 1842; 
not A. elegans Willd. 
Aster kootenayi, n. n.—A. Cusickii Lyallii Gray, Syn. Fi. 
I:195. 1884; not A. Lyallii Kuntze. 
~Chaenactis Mainsiana, n. sp.—Low tufted perennial from a 
slender woody caudex, more or less branched upward: stems few, 
decumbent, naked-pedunculate above: leaves clustered toward the 
base, 3-5 cm. long, including the slender winged petiole, oblanceo- 
late to obovate in outline, once or rarely twice pinnatifid “ee ted 
into blunt oblong or spatulate lobes, greenish-gray with a pasts 
lepidote tomentum, sprinkled with resinous atoms: pedunc si 
floccosely-pubescent, exceeding the leaves by 5~10 cm, bearin ea 
or often two heads and then subtended by an entire or pa 
bract: heads 1-1. 5 cm. high: bracts oblong, a ae 
with one or two shorter and spreading ones: pappus-paleae oblong, 
obtuse, more than half the length of the flower: achene pee 
sparingly soft-pubescent, about 6 mm. long, distinctly longer 
the pappus. 
