SPECIES OF PBNTSTEMON. 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. INTEREUPTUS. Stems tufted, stout, rigid, upright above 

 a decumbent base, a foot high, all parts of the plant glabrous : 

 leaves thinnish, all narrowly lanceolate, entire, IJ to 3J 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 J 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. 6000 ft, 13 June, 1902, 

 0. P. Baker, n. 1079, as in U. S. Herb. 



P. OKEOCHARis. 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, 3 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 IJ to 1 inch long : sepals mostly quadrate-oblong, some 



