‘Blake — A Revision of the Genus Viguiera 109 
lanceolate, acuminate to obtuse at apex, cuneate at base, from 
entire to rather sharply serrate (teeth few, about 5 pairs), rather 
weakly triplinerved, green both sides or very slightly paler be- 
neath, tuberculate-strigillose above, strigillose and gland-dotted 
beneath, 2.5-8 cm. long, 0.2-3 cm. wide; petioles strigose and 
strigillose, 2-7 mm. long. Heads numerous in irregular loose pani- 
cles, 2.5-3.5 cm. wide; disk 6-10 mm. high, 6-14 mm. thick. 
Involucre 2-seriate, 6-10 mm. high, the phyllaries linear-lanceolate, 
subacuminate, strigose below, tuberculate-strigillose toward tip, 
herbaceous throughout, loose and more or less reflexed at apex. 
Rays 10-14, oval to oblong, 7-17 mm. long; disk-corollas nearly 
glabrous, 4 mm. long (tube 0.8 mm.). Pales firmly short-pointed, 
hispid-pilose above, 6 mm. long. Achenes mottled in age, glabrous, 
2.8 mm. long. Pappus none. — Heliomeris multiflora Nutt.! 
Journ. Acad. Nat. Sci. Philad. ser. 2. i. 171 (1848); Gray, PI. 
Fendl. 84 (1848); Wats. Bot. King’s Exp. 170 (1871), at least in 
part. H. simplex E. Dur. Journ. Acad. Nat. Sci. Philad. ser. 2. iii. 
91 (1855), ex char. Gymnolomia multiflora (Nutt.) B. & H. ex 
Rothr. in Wheeler’s Rep. vi. 160 (1878), as to syn.; Gray, Syn. Fl. 
i. pt. 2. 269 (1884), in part; Rob. & Greenm. Proc. Bost. Soc. Nat. 
Hist. xxix. 91 (1899); Woot. & Standl. Contr. U. S. Nat. Herb. 
xix. 708 (1915). G. nevadensis A. Nels.! Bot. Gaz. xxxvii. 271 
(1904). G. linearis Rydb.! Bull. Torr. Club xxxvii. 327 (1910). — 
Two varieties may be recognized. 
Var. genuina: foliis lanceolatis vel ovato-lanceolatis rare lineari- 
lanceolatis 2.5-8 em. longis 0.6-3 cm. latis, radice saepius crassa. 
—Heliomeris multiflora Nutt. 1. c. Gymnolomia multiflora (Nutt.) 
B. & H. 1. ec. MONTANA: forks of the Madison, 2135 m., 
1897, Rydberg & Bessey 5180 (G.). IDAHO: loose dry soil on 
exposed mountain sides, road to Island Park, Fremont Co., 1899, 
Henderson 4822 (G.). WYOMING: East Branch, East Fork, 
Yellowstone River, near Yellowstone Lake, 1871, Hayden 34 (G.); 
Mammoth Hot Springs, Yellowstone National Park, 1914, F. W. 
Hunnewell 2nd (G.); 1. ¢., 1920 m., 1884, Tweedy 168 (G.); Teton 
Mts., 1894, A. Nelson 1064 (G.); Teton Pass, 1901, Merrill & 
Wilcox 1182 (G.); Bridger Peak, Carbon Co., 1903, Goodding 2031 
(G.); Centennial Valley, 1891, A. Nelson 39 (G.); 1. c., 1896, A. 
Nelson 2663 (G.): Centennial, 1900, A. Nelson 7988 (G.); 1. ¢., 
1902, A. Nelson 8772 (G.); Snake River, Uinta Co., 1899, A. & E. 
