644 RYDBERG: Rocky MOUNTAIN FLORA 
at the apex, entire or with a short tooth on each side, tinged with 
pale brown ; calyx about 2cm. long, densely and finely pubescent, 
cleft about equally deep in front and on the back; each division 
with 2 lanceolate lobes, about 3 mm. Jong; corolla about 3 cm. 
long ; upper lip about 1 cm. long ; lower about 3 mm. 
This species may be most closely related to C. confusa Greene, 
but is easily distinguished by the light brownish color of the obtuse 
bracts. On account of this light color the type-specimens were 
labeled C. pallida, which it resembles somewhat but has an alto- 
gether different corolla. It grows in the mountains at an altitude 
of 2700-3300 m. : 
CoLtorapo: Cameron Pass, 1896, Baker (type); Gray’s Peak, 
1871, Purter; Red Mountain, south of Ouray, 1901, Underwood 
& Selby 293; Pike’s Peak, 1894, &. A. Bessey. 
-Castilleja obtusiloba sp. nov. 
Perennial with a very short caudex ; stem very sparingly hairy, 
3-4 dm. high ; lower leaves oblong-lanceolate, 3-nerved, minutely 
pubescent, 3-4 cm. long, entire ; the upper broader, 3-cleft ; lateral 
lobes lanceolate ; the middle one oblong, obtuse ; bracts similar, 
but broader, purple; middle lobe elliptic, rounded at the apex ; 
calyx about 2.5 cm. long, almost equaling the corolla, equally 
deeply cleft in front and on the back; lobes short, oblong and 
rounded at the apex ; corolla yellowish and purple-tinged ; upper 
lip nearly 1 cm. long ; lower nearly 3 mm. 
This species is perhaps a near relative of C. rhexifolia and C. ~ 
confusa, but easily distinguished by the peculiar bracts and short 
and very obtuse calyx-lobes. It grows at an altitude of about 
2700 m. 
Cotorapo : Leroux Park, Delta County, 1892, Cozwez. 
~ Castilleja pubetula sp. nov. 
Perennial with a short cespitose caudex ; stems less than 1 dm. 
high, finely puberulent ; leaves 2-3 cm. long, pinnately divided 
into linear lobes or entire and linear, finely puberulent ; bracts 
similar, but shorter and broader, tinged with yellowish, often 
more villous; calyx more or less villous, 1-1.5 cm. long, deeper 
cleft in front than on the back; lobes lanceolate, acute; corolla 
yellowish, 18-20 mm. long ; upper lip 6-8 mm. long; lower lip 
3-4 mm., very gibbous. 
This species has been taken for C. brachyantha Rydb. (C. érezt- 
