Pentstemon. SCROPHULARIACE^. 259 



bright rose-color. — Syst. Nat. & Syst. Veg. ; Schk. Handb. t. 172 ; Bot. Reg. t. 175. C. 

 foliis ovato-lanceolatis, &c., Mill. Ic. t. 93. C. purpurea, Mill. Diet. C.ylabra, va.r. purpurea, 

 Michx., Pursli, &c. C. glabra, var. lanceolata, Nutt. Gen. ii. 51. C. latifolia, Muhl. Cat., ex 

 Ell. Sk. ii. 127. — Damp or wet sliady grounds, Illinois and Virginia to Florida. Varies 

 between the preceding and following. 

 C, Lyoni, Pursh- About 2 feet high : leaves ovate or subcordate, acuminate (4 to 7 

 inches long), thin, evenly serrate, on rather slender naked petioles: bracts minutely cilio- 

 late : corolla bright rose-purple. — Fl. ii. 737 ; Don, Brit. Fl. Gard. t. 293. C. major, Sims, 

 Bot. Mag. t. 1084. — Wet ground, mountains of N. CaroUna and Tennessee to Georgia. 



§ 2. NoTHOCHELONE. Flowers pedicellate, in a loose open terminal thyrsus : 

 bracts and sepals lanceolate, acuminate: no bractlets under the calyx: corolla 

 (violet-purple) with widely open orifice, a very short 2-cleft and not at all forni- 

 cate upper lip, and a 3-cleft spreading lower one ; the throat and filaments gla- 

 brous : upper part of the filiform sterile filament hirsute. Accords with Pentste- 

 mon, except in the Avinged seeds. 



C. nemorosa, Dougl. A foot or two high : herbage of rank somewhat iinpleasant odor : 

 leaves ovate and ovate-lanceolate, acute, acutely dentate, 2 or 3 inches long; the cauline 

 sessile or almost so by a truncate or subcordate base : peduncles 3-5-flowered, as long as 

 the pedicels : corolla fully an inch long. — Lindl. Bot. Reg. t. 1211 ; Benth. in DC. 1. c. 

 Pentstemon nemorosus, Trauttv. in Mem. Acad. Petrop. 1841, 250. — Woods along mountain 

 streamlets, Washington Terr, to the northern borders of California, Newberry, Greene. 



11. PENTSTEMON, Mitchell. Beard-tongue. {Wm, five, orii^wv, 

 stamen, all five stamens being conspicuously present, the fifth as a sterile filament, 

 which in rare instances, in several species, has been found to be antheriferous.) — 

 North American (a few Mexican and one N. E. Asian) perennials, mostly herba- 

 ceous, some suffruticose ; usually with simple stems or branched from the base ; 

 the leaves opposite, rarely verticillate or very rarely the upper alternate ; inflo- 

 rescence from thyrsiform to almost simply racemose ; and the flowers mostly 

 handsome, in summer. — Nov. Gen. in Act. Phys. — Med. Nat. Cur. xiii. (1748) 

 3G ; Soland. in Ait. Kew. ii. 360 ; Benth. in DC. Prodr. x. 320, 593 ; Gray, Proc. 

 Am. Acad. vi. 56, & Bot. Calif, i. 556. Pentastemon, Trauttv. in Mem. Acad. 

 Petrop. 1841. 



§ 1. Eupentstemon, Gray. Anther-cells soon divaricate or divergent, united 



and often confluent at the apex, dehiscent for their whole length or nearly. 



* (Erianthi^ka.) Anthers densuly comose with very long wool, in the manner of Chelone, pel- 

 tately explanate in age : low and suffruticose, with coriaceous leaves. 



P. Menziesii, Hook. A span or less to a foot high, woody at base : leaves commonly 

 ovate, obovate, or oblong, a quarter to an inch long, rigidly serrulate or some entire, gla- 

 brous or when young pubescent ; the lower short-petioled : inflorescence mostly glandular 

 or viscid-pubescent, racemose ; tlie pedicels almost all 1-flowered, usually 1-2-bracteolate : 

 sepals ovate-lanceolate or narrower and attenuate-acuminate : corolla (violet-blue to pink- 

 purple) an inch or more long, tubular-funnelform and moderately bilabiate, the upper lip 

 deeply 2- and lower 3-clcft : sterile filament short and slender, hairy at apex or nearly 

 naked. — Fl. ii. 98; Gray, Proc. Am. Acad. vi. 56 (var. Lewlsii) & Bot. Calif, i. 556. 

 Gerardia frutlcosa , Pursh, Fl. ii. 423, t. 18. Pentstemon Leicisli, Benth. in DC. Prodr. x. 321. 

 — On rocks and mountain tops, Brit. Columbia through tlie higher Sierra Nevada of 

 California, and Rocky Mountains of Idaho and Wyoming. CoroUa at the north and on 

 Mt. Shasta, &c., Ijright violet or bluish. Passes into 



Var. Newberryi, Gray, a form with rose-purple or pink corolla. — P. Newbciri/I, 

 Gray in Pacif. R. Rep. vi. 82, t. 14. P. ifenziesii, var. Robinsoni, blasters in Gard. Cliron. 

 1872, 969, fig. 227. — Sierra Nevada, California, the only form southward. 



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