SPECIES OF PENTSTEMON. 163 
petioles, the 2 or 3 cauline pairs subsessile: inflorescence 
depressed-capitiform, the rather few corollas large for the plant, 
tubular, with short not very irregular limb ; sepals subquad- 
rate-oblong, glandular-pubescent 
At 13,000 feet in the White Mountains, Mono Co., Calif., Aug., 
1888, W. H. Shockley. 
P. INTERRUPTUS. Stems tufted, stout, rigid, upright above 
a decumbent base, a foot high, all parts of the plant glabrous: 
leaves thinnish, all narrowly lanceolate, entire, 14 to 24 inches 
long: flowers small for the plant, in 5 or 6 verticillasters 1 to 2 
inches apart: sepals oblong -lanceolate, the scarious edges toward 
the summit violet and variously laciniate : corolla 4 lines long, 
its tube a little dilated upwards and limb short. 
Soda Springs on Mt. Conness, Calif., July, 1890, W. G. Har- 
ford. Type in my herbarium. 
P. WasHoensis. Of the P. confertus group, stout and tall, 
12 to 16 inches high, glabrous throughout and glaucous: lowest 
leaves smaller, elliptical, petiolate, cauline larger, lanceolate, 
sessile by a broad base, about 2 inches long, mostly shorter than 
the internodes: inflorescence large, as much interrupted as in 
the last, the lower of the 4 or 5 false whorls 2 inches apart : 
sepals oblong-linear, with triangular more or less toothed apex, 
indefinitely scarious-edged : corolla purple, more than 4 inch 
long, with slightly ventricose subcylindric tube, the limb ample 
in proportion for this group, lower lip strongly bearded, sterile 
filament less so. 
About Washoe Lake, Nevada, alt. 5000 ft., 13 June, 1902, 
C. F. Baker, n. 1079, as in U. S. Herb. 
P. oREOCHARIS. More than a foot high, the stout stems 
rigidly erect above a merely short decumbent base; plant 
wholly glabrous, of a light green, not glaucous: basal leaves 3 
or 4 inches long, oblanceolate, acutish, the cauline in about 4 
pairs, lanceolate, sessile, 2 or 3 inches long, shorter than the 
internodes: inflorescence long and interrupted, the axillary 
clusters about 5 or 6 pairs and all but the uppermost on pedi- 
cels of 14 to 1 inch long: sepals mostly quadrate-oblong, some 
