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 

 F. pruinosus, Dougl, and was also collected by Lyall. In the Wahsatch 

 Mountains; 9-10,000 feet altitude ; July, August. (781.) 



Pentstkmon glaucus, Grah. Gray, I. c, p. 70. Glabrous, excepting 

 the viscid-pubescent inflorescence, i-l^° high ; leaves somewhat glaucous, 

 denticulate or entire, the lower ovate or lanceolate, petioled, the upper 

 oblong-lanceolate, dilated at base and clasping ; thyrse subcompact, or more 

 usually interrupted, with 2-4 pairs of cymelets which are more or less 

 peduncled ; sepals ovate-lanceolate ; corolla 1' in length, violet or lilac-color, 

 abruptly and widely dilated above the base, the throat open and without 

 folds, the lower lip slightly longer and sparingly villous with long hairs ; 

 anthers glabrous and expanding; sterile filament yellow-bearded. Var. 

 STENOSEPALUS, Gray. The sepals lanceolate, with a long and slender 

 acumination. — The specimens are exactly those of the Colorado collections, 

 but taller (1-2°) and with a more loose and interrupted inflorescence. The 

 flower was most usually of a dull lurid purple-color, rarely light -blue. In the 

 Wahsatch and Uinta Mountains ; 9-10,000 feet altitude ; July, August. (782.) 



Pentstemon confeetus, Dougl. Gray, I. c, p. 72. Glabrous, upright ; 

 lower leaves oblong-lanceolate, petioled, the upper sessile and lanceolate or 

 somewhat ovate, all entire ; flowers in an interrupted spike, densely clustered, 

 the upper cymes nearly sessile, often reflexed ; sepals with a broad scarious 

 margin, lanceolate or ovate, acute or usually acuminate, often erose-dentate 

 or laciniate; corolla 5-6' long, sulphur-yellow, narrow, somewhat bilabiate, 

 with the palate sparingly hairy ; anthers glabrous, expanding ; sterile filament 

 bearded. Var. c^euleo-puepueeus. Gray. Stems 6-2° high, with the 

 corolla deep bluish-purple. — From the Saskatchewan to Washington Terri- 

 tory and Northern California, and in the Rocky Mountains of Colorado. 

 Wahsatch Mountains, Utah ; 6,000 feet altitude; June, July. (783.) 



An alpine form of the same variety, 6' high,- with the corolla but 3-4" 

 long and less dilated, sometimes reddish-purple, the sepals short and erose- 

 dentate, was found in the West Humboldt and Clover Mountains, Nevada ; 

 9,000 feet altitude ; August, September. (784.) 



Pentstemon deustus, Dougl. Gray, I.e., p. 73. Glabrous; stems nu- 

 merous, branching from a woody base ; leaves often laciniately or pectinately 

 serrate, the cauline oblong or lanceolate; panicle strict, densely many-flowered. 



