220 
BOTAi^Y. 
clasping, entire or denticulate ; panicle strict, with short appressed 3-4- 
flowered peduncles ; sepals linear-lanceolate, attenuate, very hirsute; corolla 
1' long, violet, broadly funnel-form above the calyx, somewhat bilabiate, the 
lower lip and sterile filament strongly bearded with long hairs ; anthers 
glabrous, expanding. — In a single locality on a limestone ridge near Roberts 
Creek Station, Nevada; the specimens 1° high, with rather leafy close con- 
spicuously bracted panicles. Western Nebraska and on the Upper Missouri 
from Southern Dakota to the Rocky Mountains. (778.) 
Pentstemon Palmeei, Gray. Proc. A?ner. Acad., 8. 291. Stout, 2-5° 
high, glabrous, glaucous, the panicles gland ular-puberulent ; leaves broadly 
ovate- or oblong-lanceolate, sharply and unequally sinuate-dentate, the lower- 
most spatulate and petioled, the upper amplexicaul ; panicle naked, elon- 
gated, racemose, the rather short peduncles 2-4-flowered, with small bracts 
and slender pedicels ; sepals ovate, mostly acute ; corolla 1^' in length, pale 
purple or rose-color, broadly dilated-campanulate above the calyx, with an 
open throat and somewhat expanded limb, the lower lip bearded ; anthers 
glabrous, expanding ; sterile filament exserted, curved above and very hirsute 
with yellow hairs. — A well-marked and exceedingly handsome species, near 
P. Cobcea ; cauline leaves 3-5' long and 2' wide. Arizona. Foot-hills of the 
Trinity, West and East Humboldt Mountains, Nevada; 5-6,000 feet altitude; 
June, July, Also from Southern Utah, (Palmer.) (779.) 
Pentstemon humilis, Nutt. (f) Gray, I. c, p. 69. Minutely puberu- 
lent or somewhat glabrous, 3-10' high ; lower leaves ovate-spatuiate or 
oblanceolate, petioled, the upper oblong or Knear-lanceolate, sessile and clasp- 
ing, 'all acute or acuminate and entire ; peduncles rather short, appressed, 
2-5-flowered ; sepals ovate -lanceolate with usually a slender herbaceous re- 
curved acuinination, and with the pedicels viscid-pubescent; corolla 4-8" 
long, deep-blue, dilating upwards, somewhat bilabiate, the throat open and 
without fohls ; anthers glabrous, expanding ; sterile filament yellow-bearded. 
—The specimens differ from those collected in Colorado in being more 
puberulent and with the deep-purple corolla (4-7" long) rather less dilated, 
the lower lip frecpiently somewhat bearded. East Humboldt Mountains, 
Nevada ; 8,000 feet altitude ; July. (780.) 
Yar. (?) Stem very slender, 4-8' high ; lower leaves ovate, abruptly 
contracted into the petiole, the upper oblong, 4-8" long and 3" wide, clasp- 
ing, all entire and abruptly acute, or obtuse and mucronate ; flowers fio-ht 
