CATALOGUE. 
221 
blue, 4-5" long, the lower lip bearded, tube more dilated and the limb more 
spreading than the last. — This may be a reduced alpine entire-leaved form of 
r. pruinosus, Dougl., and was also collected by Lyall. In the Walisatch 
Momitains: 9— 10,000 feet altitude ; Jnly, August. (781.) 
Pentstemon glaucus. Grab. Gray^ I c, p. 70. Glabrous, excepting 
the viscid-pubescent inflorescence, ^-1^'^ high ; leaves somoM'hat glaucous, 
denticulate or entire, the lower ovate or lanceolate, ]»eti(jled, the u])per 
oblong-lanceolate, dilated at base and clasping; thyrse subcompact, or more 
usually interrujited, with 2-4 pairs of cymelets which an; more; or less 
peduncled ; sepals ovate-lanceolate; corolla 1' in lengtli, \'n)\v\ or HJac-coIor, 
abruptly and wddely dilated above the base, the throat ojx'ii ;iii<l wiilioiil 
folds, the lower lip slightly longer and sparingly vi]k)us with loiiii- li;iirs: 
anthers glabrous and expanding; sterile tilament y(inow-beai-i]ed. \'ar. 
STENOSEPALUS, Gray. The sepals lanceolate, with a long and slrmler 
acumination. — The specimens are exactly those of tlie Colorado eollcelioiis, 
but taller (1-2°) and with a more loose and interru]>ted inflorescence. Tin; 
flower was most usually of a dull lurid purple-color, rarely light-ldue. Jji tlu,- 
Wahsatch and Uinta Mountains ; 9-10,000 feet altitude ; July, August. (782.) 
Pentstemon confertus, Dough Gray, I. c, p. 72. Glabrous, uprijzlit; 
lower leaves oblong-lanceolate, petioled, the upper sessile jiiid Linccobilc or 
somewhat ovate, all entire; flowers in an interrupted spike, densfly cluslcred, 
the upper cymes nearly sessile, often reflexcd ; sei)als with a broad seanoiis 
margin, lanceolate or ovate, acute or usually acuminate, often erose-denlate 
or laciniate; corolla 5-6' long, sulphur-yellow, narrow, someu hat bilabiate, 
with the palate sparingly hairy ; anthers glabrous, expandin--; st.'rile lilanioiit 
bearded. Yar. c.eruleo-puepueeus. Gray. Stems i^-^r hloh, with the 
corolla deep bluish-purple.— From the Saskatchewan to WashinLrlon T.Tri- 
tory and Northern California, and in the lioeky Mountains of Coh^ado. 
Wahsatch Mountains, Utah; 6,000 feet altilu.le; June, .Inly. (7S3.) 
An alpine form of the same variety, 6' high, with the (-(.rolla hut 3 4" 
long and less dilated, sometimes reddish-purph', th<' >ei.,!s >hort and r-rose- 
dentate, was found in the West Ihnnb.ddt and Ch.ver Mounlains. Xeva.la : 
9,000 feet altitude; August, September. (784.) 
Pentstemon deustus, Dough Gran, I.e., p. 73. Glabro.is: stems n.i- 
merous, branching from a woody base; leaves often laciniately or peetinately 
serrate, the cauHne oblong or lanceolate; panicle strict, i\m>iAy many-flowered, 
