514 SCROPHULARIACEZ PENTSTEMON 
below, the inflorescence more or less viscid-pubescent: stems numerous 
from the woody base, 3-10 inches high, very leafy: leaves_about an inch 
long, the lower ones spatulate or oblanceolate, short-petioled, somewhat 
glaucescent, the upper ones oblong or linear-oblong, sessile and some- 
what clasping, all entire or sometimes somewhat serrulate: thyrsus strict 
and virgate, 2-4 inches long: peduncles short 1-5-flowered: sepals, ovate 
or lanceolate and acuminate lax, about 3 lines long: corolla deep blue or 
partly white, 6-8 lines long, tubular-funnelform, bilabiate, the lower lip 
somewhat hairy within: sterile filament bearded with yellow hairs: On 
Dry ridges, eastern Oregon toNevada and the Rocky Mountains. 
P. stenosepalus. P. glaucus var. stenosepalus Gray. Glabrous or 
more or less rough-pubescent below, the inflorscence villous-pubescent 
and viscid: stems 4% to 2 feet high: lower leaves ovate or oblanceolate to 
linear spatulate, mostly dentate, including the petiole 1-4 inches long: 
upper ones lanceolate with broad clasping base: thyrsus small and glomer- 
ate: sepals attenuate-lanceolate, 3-4 lines long: corolla dull whitish 
to lurid purple or blue, 10-12 lines long, campanulate-ventricose above the 
very short proper tube, the mouth widely spreading, the broad lower lip 
sparsely bearded within: sterile filament bearded near the apex. Plains of 
eastern Oregon to Nevada and the Rocky Mountains. . 
P. Rattani Gray Syn. Fl. Supp. 441. Glabrous: stems 1-3 feet high: 
leaves membranaceous, broadly lanceolate, 3-8 inches long finely dentate, 
radical and lowest cauline attenuate at base into margined petioles, the 
others half clasping by subcordate base : inflorescence glandular-pubescent, 
cymes from the lower axils long-peduncled, upper short-peduncled or sub- 
sessile: pedicels short or hardly any: sepals oblong-lanceolate, acuminate, 
soft-membranaceous, loose, 4 lines long: corolla pale purple, an inch long, 
funnelform, with short tube and campanulate throat, distinctly bilabiate, 
lower lip villous-bearded within: sterile filament at length exserted, beard- 
ed at the apex. In open forest, Siskiyou mountains of Oregon and Cali- 
fornia: also reported from Idaho. 
Var. minor Gray |. c. slender, with oblong leaves only an inch or 
two long, obscurely denticulate: thyrsus simple: flowers one-half smaller: 
sepals attenuate: corolla 6-7 lines long. With the type. 
P. deustus Dougl. Lindl. Bot, Reg. t. 1318, Completely glabrous, 
the calyx at most glandular: stems slender, 1-2 feet high, numerous from 
a woody base, strict: leaves thickish, from ovate to oblong-linear or lanceo- 
late, 1-2 inches long, regularly and rigidly dentate or acutely serrate or 
some of them entire; the upper cauline closely sessile: thyrsus virgate or 
more paniculate, mostly many-flowered: pedicels short: sepals from ovate 
to lanceolate or subulate, nearly marginless, acute, 2-3 lines long: corolla 
ochroleucous or dll white, sometimes partly blue, minutely pubescent, 
4-8 lines long, either narrowly or rather broadly funnelform, the short 
lobes widely spreading: sterile filament glabrous, or rarely exserted and 
sparsely bearded. On gravelly banks in the dry interior region, Brit. Co- 
lumbia to California, Nevada and Montana. 
Y. Gairdneri Hook. Fl. ii, 99. Cinereous-puberulent: stems rigid, 
2-10 inches high, tufted on the stout shrubby base: leaves linear or the 
lower more or less spatulate, 6-12 lines long, all usually sessile, the upper 
ones mostly alternate: thyrsus short : peduncles short and mostly alternate, 
usually 1-flowered: sepals oblong-ovate to lanceolate, acute or acuminate, 
3-4 lines long: corolla 6-10 lines long, dark blue or purple, narrow funnel- 
form, sterile filament bearded on one side. On high rocky ridges eastern 
Washington and Oregon to Nevada. 
Var. hians Piper Bull. Torr. Club xxvii, 396, Sepals larger: corolla 
larger and more spreading. Northwestern Washington. 
