40 RypBERG: Rocky MOUNTAIN FLORA 
slightly longer than the calyx; galea 8 mm. long; lip about 3 
mm. long, its lobes ovate. 
This species is closely related to C. pallida, but differs in the 
leaves, which are shorter, neither long-attenuate nor falcate, and 
in the different color of the bracts and corolla. 
In mountain meadows especially on the geyser formations at 
an altitude of 2000-2700 m. ‘ 
Wyominc: Lower Geyser Basin, Yellowstone Park, 1897, 
Rydberg & Bessey 4964 (type); Lone Star Geyser Basin, 7o. 4961 5. 
Upper Hoback Basin, 1900, C. C. Curtis. 
Montana: Mountains near Indian Creek, 1897, Rydberg & 
Bessey 4967. 
ALBERTA: Vicinity of Banff, 1899, W. C. McCalla 2187. 
Castilleja parvula 
Cespitose perennial with a short caudex; stems many, 5-15 
cm. high, puberulent ; leaves lanceolate, 1-2 cm. long, puberulent; 
bracts ovate, dark brownish-crimson, finely puberulent, entire or 
with short lobes ; calyx 12-14 mm. long, puberulent, equally 
cleft above and below, its lobes oblong, obtuse, 2-3 mm. long; 
corolla 17-18 mm. long, greenish with purplish margins ; ge 
about 7 mm. long; lip 2.5—3 mm. long, its lobes lanceolate. 
This species is closely related to C. occidentalis, but differs 
the bracts, which are darker, of a deep crimson shade and not at 
all villous, and also in the corolla, which is decidedly greenish and 
with a shorter lip. It grows among rocks on high mountains, . 
an altitude of nearly 3000 m. 
Utan: Mountains north of Bullion Creek, near Marysvale, 
1905, Rydberg & Carlton 7158 (type) and 7090. 
Castilleja pulchella 
and 3-cleft, puberulent and slightly villous; lobes linear-lance?” 
late, attenuate; bracts elliptic, usually 3-cleft, the middle pe 
broad and rounded, tinged with brownish, villous ; calyx ae 
lowish, tipped with brownish, about 18 mm. long ; lobes very sh 
_ and rounded; corolla slightly exserted ; galea 7 mm. long ; lip 5 
_ mm. long, its lobes lanceolate, obtuse. Be 
__ This species is intermediate between C. /utea and C. occidentalts 
