. Contributions from the Botanical Laboratory, vol. 3. Botany; Botany. 188 Genus Penistcmon. iate-toothed) sepals: corolla purple, i8 mm. long, smooth: anthers glabrous: sterile filament villous- bearded above. Wrr*; Oregon to British Columbia, wooded or rocky banks. Leaves ovate to narrowly-lanceolate, laciniate. ijj. P. Richardsonii Dougl. ex Lindl. in Bot. Reg. t. 1121 (1827). Hook. Bot. Mag. 3391. Lodd. Bot. Cab. t. 1641. P. rividaris Dougl. ex Trautv. in Bull. Sc. Acad. Petersb. S: 346 {1839). Stems erect 3 to 6 dm, high, often loosely branch- ing: leaves ovate to narrowly lanceolate in o
. Contributions from the Botanical Laboratory, vol. 3. Botany; Botany. 188 Genus Penistcmon. iate-toothed) sepals: corolla purple, i8 mm. long, smooth: anthers glabrous: sterile filament villous- bearded above. Wrr*; Oregon to British Columbia, wooded or rocky banks. Leaves ovate to narrowly-lanceolate, laciniate. ijj. P. Richardsonii Dougl. ex Lindl. in Bot. Reg. t. 1121 (1827). Hook. Bot. Mag. 3391. Lodd. Bot. Cab. t. 1641. P. rividaris Dougl. ex Trautv. in Bull. Sc. Acad. Petersb. S: 346 {1839). Stems erect 3 to 6 dm, high, often loosely branch- ing: leaves ovate to narrowly lanceolate in outline, from incised to laciniate-pinnatifid, about 6 cm. long; the upper commonly alternate or scattered: thyrsus loosely panicled: pedicels, and ovate or oblong sepals, often glandular and viscid: corolla purple, ventricose, 2 to cm. long: sterile filament sparingly villous- bearded at apex: capsule broadly ovoid, nearly twice the length of the calyx. Oregon and Washington. Leaves narrower than preceding, the floral becoming entire. 134. P. triphyllus Dougl. sub norn. P. triphyllum, ex Lindl. in Bot. Reg. t. 1245 (1829). Benth. in DC. Prod. 10: 329. Stems slender, about 3 dm. high, usually simple: cauline leaves lanceolate or linear, 2 .5 cm. or so long, rigid, from denticulate to irregularly pinnatifid-lacin- iate, sessile; the upper sometimes ternately verti- cillate, sometimes alternate: thyrsus narrow, loosely paniculate : sepals lanceolate, acuminate : corolla small and narrow, 12 to 16 mm. long, pale violet: sterile filament densely bearded at apex: capsule small, ovoid, equaling the sepals. Oregon to British Columbia. Genus Pentstemon. 189 Leaves as in the preceding, but not ternately verticillate above. I3j. P. diphyllus Rydberg, in Mem. N. Y. Bot. Gard. i: 349 (1900). Stem much branched, from a perennial base, minutely puberulent all over and more or less glandular on the upper portion, 2-3 dm. high: leaves opposite, 3-5 cm. long, with short but slender petioles,
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