PENTSTEMON 



and open, the peduncles 2-3 in. long and the pedicels 



long: fls. about 1 in. long, drooping, dull 

 purple or violet or varying to flesh-color, rather narrow, 

 with 2 short lobes, bearded on the palate; sterile flla- 

 mint densely bearded. Dry fields and banks from On- 

 tario south and west. B.M. W24.— The common Hent- 

 stemon o£ the East, and useful in cult. 

 AA. (>?/.-( of aulhers not dehiscing or opening to thf 

 hii.se, the basal part remaining saccate. 

 B. Leaves dentate or serrate. 

 r. J'luiit viscid and soft-pubescent. 



:i2. glanduldsus, Lindl. (P. staticifblius, Lindl.). 

 Uathcr stout, 2-3 ft. tall: Ivs. rather thin, ovate-lanceo- 

 late, acuminate, the upper ones clasping, the radical 

 ovate or oblong, all toothed or serrate: inflorescence 

 narrow, leafy below, the peduncles few-several-fld. : 

 lis. large, somewhat over 1 in. long, lilac, with inflated 

 throat, the lips short and broad ; sterile filament gla- 

 brous. Idaho to Wash, and Ore. B.R. 15:1262; 21:1770. 

 B.M. ;)G88. -Showy, 

 cc. Plant not viscid, either glabrous or puherulent. 



'.V.i. ysviiaVoa, Uougl. Stem erect, nearly simple, leafy. 

 2 ft. or less tall, glabrous: Ivs. thickish, oblong-lanceo- 

 late to ovate-lanceolate, very sharply serrate : inflo- 

 rescence narrow, not leafy, the peduncles 1-3-fld. : fls. 

 usually exceeding 1 in. in length, somewhat 2-lipped. 

 liglit jiurple. sriinewhat hairv within; sterile fllament 

 liuiry al.nv, . I.hiho and Ore.' B.R. lG:i:i09. 



::4. ditfiisus, Duugl. Stems about 2 ft. tall, diffuse: 

 Ivs. (.v:itf to oblong-lanceolate to cordate-ovate, un- 

 evenly and deeply serrate : inflorescence leafy, the 

 pedicels very short: fls. % in. long, light purple, 2- 

 lipped; sterile filament hairy above. Ore., north. B.M. 

 .•1C.45. B.R. 14:11.32. R.H. 1872:410. 



BK. Leaves deep-cut. 



PEPEROMIA V2 1 1 



pinnatifid, the upper ones not opposite : inflorescence 

 loose: fls. % in. long, light purple; sterile fllament 

 somewhat hairy at top. Ore. and Wash. B.M. 3391. 

 B.R. 13:1121. L.B.C. 17:1641. 



BBB. Leaves entire, 

 r. Sterile filament somewhat bearded. 



36. gxacilintus, Gray. A foot or more tall from a 

 woody base, naked above: Ivs. lanceolate to linear or 

 oblong, glabrous: Inflorescence loose, the viscid pedun- 

 cles 2-5-fid. : fls. K in. long, violet-blue, the lobes very- 

 short. N. Calif., Nev., and Ore. 



cc. Sterile filament glabrous. 



37. Isetus, Gray. About 1 ft. tall, from a woody base, 

 closely pubescent: Ivs. lanceolate to linear-lanceolate, 

 the radical ones spatulate: fls. 1 in. long, blue. Calif. 



38. azdreus, Benth. Erect or ascending, 3 ft. or less, 

 glaucous, sometimes minutely pubescent: Ivs. narrow- 

 ovate to narrow-lanceolate: inflorescence loose and 

 open: fls. IJ^ in. or less long, blue to violet, sometimes 

 reddish at the base, the limb about 1 in. across. Calif. 

 B.M. 7504. 



Var. Jaffray&nuB, Gray {P. Jaffray&nus, Hook.). 

 Lower (about 1 ft. tall), young stems tinged with red: 

 Ivs. oblong to oval or the upper ones ovate-lanceolate, 

 glaucous : fls. large and showy, rich blue and reddish at 

 base and in the throat. Utah to Calif. B.M. 5045. 

 R.H. 1874:430. 



39. heteroph^llus, Lindl. Stems reaching 3-5 ft., 

 from a woody base, the plant mostly green: Ivs. vary- 

 ing from oblong-lanceolate above to lanceolate and linear 

 below: inflorescence loose and open, the peduncles usu- 

 ally 1- or 2-fld. : fls. about 1 in. long, pink or rose-pur- 

 ple, very slender at the base but full or inflated above, 

 the lips well marked. Calif. B.R. 22:1899. B.M. 3853. 

 R.H. 1875:110; 1896, p. 348. l. h. B. 



PEONY. See Pa-onia. 



FEFEBdMIA (Greek, pepper-like). Piperaceae. An 

 enormous genus of tropical herbs, mostly American, in- 

 cluding some small but choice foliage plants for con- 

 ser\-afory or house decoration. See Fig. 1717. Annual, 

 or perennial by a creeping caudex or by tubers formed 

 at the base: stems prostrate, creeping and thread-like, 

 or erect and slender, or short, thick and succulent: Ivs. 

 alternate, opposite, or in whorls of 3-4 (rarely 5-6), 

 entire, fleshy or membranous, often with pellucid dots: 

 fls. minute, usually disposed in a dense spike, as in 

 Fig. 1718; stamens 2; anther cells confluent; stigma 

 sessile in the ovary. 



Speaking of P. arifolia, var. argyreia, J. D. Hooker 

 savs (B.M. .5634) : "It is a very beautiful plant, and like 



so many of its congeners, is 

 along the edge of a shelf in a 

 cause of its beautifully marbl 

 of time which these keep in 



