PENTSTEMON 



erect but lax, the p 

 in. loiif,'. I.lu.- .-hani. 

 lip bearili-il. ]<l;ili.. 

 31. pubescens, .^^ 

 often ilci'uml.iiit si 



des 



eral-fld.: fls. about 7a 



purple, 2-lipp(Ml and the lower 



Hid north. B.M. 2903. -Good. 



Loose-growinj;, the .slender 



ng 2 ft., usually 



pubescent: Ivs. obioug to oblanceolate, small-toothed, 

 the radical ones ovate to spatulate: inflorescence loose 

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



1716 Pentstemon Cobaea 



often 1 in 1 jng IK al out 1 m long drooping dull 

 purple or viokt oi v-ii > mg to fle>.h color rather n irrow, 

 with 2 short lobes, bearded on the palate sterile fila- 

 ment densely bearded Dry fields and banks from On- 

 tario south and west. B.M. 1424.— The common Pent- 

 stemon of the East, and useful in cult. 

 AA. Cells of anthers not dehiscing or opening to the 

 base, the hasal part remaining saccate. 

 B. Leaves dentate or serrate, 

 c. Plant viscid and soft-pubescent. 



32. glanduldsus, Lindl. (P. staticifdlius, Lindl.). 

 Rather 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 f ew-several-fld. : 

 fls. 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. 3688.-Showy. 



cc. Plant not viscid^ either glabrous or puberulent. 



33. venistus, Dougl. 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, 

 light purple, .somewhat hairy within; .sterile filament 

 hairy above. Idaho and Ore. B.R. 1G:1.'!09. 



34. diffisna, Dougl. Stems about 2 ft. tall, diffuse: 

 Ivs. ovate 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. 

 3C45. B.R. 14:1132. R.H. 1872:410. 



PEPEROMIA 1271 



pinnatifld, the upper ones not opposite : inflorescence 

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

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

 B.R. 13:1121. L.B.C. 17:1041. 



BBB. Leaves entire. 

 0. Sterile filament somewhat bearded, 



36. graciUntus, 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-fld. : fls. K in. long, violet-blue, the lobes very 

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



cc. Sterile filament glabrous. 



37. laetus, 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. azireus, Rmth. Erect or ascending, 3 ft. or less, 

 glaucous, Miiiirtiiins uiiiiiilely pubescent: Ivs. narrow- 

 ovate to iinir.iw liiiM , ,,i;,ii.: inflorescence loose and 

 open: fls. 1 ' . in. ..r I. --, hiii^', blue to violet, sometimes 

 reddish at tin- Ims,. ih. limb about 1 in. across. Calif. 

 B.M. 7504. 



Var. Jaffrayanus, 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. heterophyllus, Lindl. 

 from a woody base, tlif ]tl:i 



iugfromoblong-laii I:ii< :, 



below; inflorescenr' : 



ally 1- or 2-fld.: Hs. :h u 

 pie, very slender at ili' l-.i-- 

 the lips well marked. Calif 

 R.H. 1875:110; 1896, p. 348. 



PEONY. See Pmonia. 



PEPERdMIA (Greek,/)f/)/)fr-?(7.-fl. Pii., r,),,„ . An 

 enormous genus of tropical herlis, mostly .\iri.ri<;ui, in- 

 cluding some small but choice toIiULCc ].l;iiiis lor , .ni- 

 servatory or house decoration. See Fi.L,'. 1717. AiiniKil, 

 or perennial by a cnipiiiL; .au.h \ <.r liy tubers formed 

 at the base: stems ]iiv.-ti,iic. .iv, ping and thread-like, 

 or erect and slendi-r. ot' -Iimii, iIm, i. and succulent: Ivs. 

 alternate, opposite, nr in wli.nN c,f 3-4 (rarely 5-0), 

 entire, fleshy or memliranous, 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. argi/reia, ,T. D. Hooker 

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



Stems reaching .3-5 ft.. 



B.M. 

 L. H. 



BB. Le 



I deep-cut. 



a many of its congeners, is well adapted for placing 

 long the edge of a shelf in a tropical house, both be- 

 ause of its beautifully marbled leaves and the length 

 f time which these keep in good condition. In fact, 



