222 BOTAl^^y. 



the cymes pedunculated ; sepals lanceolate, acuminate ; corolla yellowish, i' 

 long, scarcely bilabiate and but little dilated ; anthers glabrous, expanding ; 

 sterile filament glabrous. — The numerous specimens of the collection difier 

 in some respects from the above description, having the panicles for the most 

 part elongated and not crowded, the upright peduncles rarely equaling the 

 flowers, the leaves denticulate or entire, and the sterile filament frequently 

 bearded with yellow hairs. Stems 4-15' high, ascending ; leaves J-lj' in 

 length, 2-4" wide, sometimes very obtuse and erosely dentate ; flowers usu- 

 ally secund, dull brownish-yellow or slightly rose-colored. Idaho and Wash- 

 ington Territory. Foot-hills of the Trinity and Pah-Ute ranges and in the 

 East and West Humboldt Mountains, Nevada; 5-7,000 feet altitude; June- 

 August. (785.) 



Pentstemon gracilentus. Gray ; /. c, p. 75. Stem slender, ascending, 

 about 1° high, glabrous ; leaves entire, the lower 2' long, lanceolate, attenu- 

 ate into slender (1') petioles, the upper linear with a narrowed base, and the 

 floral ones linear-setaceous ; peduncles few, slender, 3-5-flowered ; the sepals 

 and pedicels equal, glandular-puberulent ; the blue corolla ^' long, slightly 

 dilated above ; anthers glabrous, the cells confluent at the apex and dehiscent 

 downward to the middle, minutely denticulate upon the margins ; the sterile 

 filament filiform and bearded. — Northern Cahfornia and near Carson City, 

 Nevada, (111 Anderson.) 



Pentstemon heteeophyllus, Lindl. Gmi/, I. c, p. 75. Glat3rous or 

 pruinose-puberulent, scarcely glaucous ; leaves entire, the . cauline linear- 

 lanceolate or narrowly linear, attenuate at base ; raceme virgate, the slender 

 peduncles 1- or rarely 2-flowered ; sepals broad, abruptly acuminate ; corolla 

 reddish-purple, V long, dilated-funnelform above, slightly bilabiate ; anther- 

 cells confluent at the apex, dehiscent to the middle, and saccate at base, hir- 

 sutely ciliate upon the margins.— Stems 1-2^° high, slender, often diffusely 

 branched ; leaves 2-4' long, 1-5" wide. The present specimens are all 

 glaucous, with unusually small sepals, scarcely a line in length and mostly 

 obtuse. California, throughout its whole length. Wahsatch Mountains, 

 (Provo Canon ;) 6,000 feet altitude ; July. (786.) 



Var. LATiFOLius. Shrubby at base ; leaves ovate, oblong or lanceolate, 

 9"-2j' long by ^-1' wide ; sepals ovate with a long reflexed acumination. 

 Wahsatch Mountains ; 5-8,000 feet altitude ; July, August. (787.) 



Pentstemon Kingii. Pruinose- or glandular-pubescent, at least below ; 



