APPENDIX. 455 



48. P. CONFEETUS, Dougl. -j-ljo liigli, glabrous, strict ; flowers densely clustered, the upper cymes 

 nearly sessile ; sepals broad-lanceolate or ovate, broad-scarious ; corolla narrow, 5-6" long. See page 221. 



(d.) Sterile filament (usually) glabrous. 

 (1.) Leaves serrate; panicle strict ; flowers numerous, crowded ; corolla sliglitly bilabiate. 



49. P. DEUSTUS, Dougl. Glabrous ; leaves often serrate, oblong or lanceolate ; corolla yeUowish ; 

 sterile filament sometimes bearded. See page 221. 



50. P. heterjUv'dek, T. & G. Calyx minutely puberulent ; leaves sharply toothed, lanceolate or 

 linear-oblong; cymelets subsessile in a slender interrupted spike-like panicle ; sepals lanceolate ; corolla 

 whitish ; sterile filament sometimes antheriferous. — California Sierras. 



(2.) Leaves subentire ; pedicels 1-3-flowered, in a small loose panicle ; corolla bilabiate. 



51. P. Whippleanus, Gray. 1° high, the slender stem and thin ovate or oblong leaves glabrous; in- 

 florescence viscid-pilose ; sepals linear-lanceolate, long-attemiate ; corolla 1' long, much dilated, the lower 

 lip bearded ; sterile filament glabrous, dilated and uncinate. — New Mexico. 



Sect. II. SACCANTHEEA, Benth. Anthers sagittate or horseshoeform, the cells confluent at top and 

 dehiscent to the middle, saccate at base ; inflorescence panicled ; corolla violet or lilac-color, dilated 

 above, short-bilabiate. — Extreme western species. 



* Viscid-pubescent throughout ; flowers large ; leaves broad, subserrate, the upper ones cordate- 

 clasping. 



52. P. GLANEULOSUS, Lindl. Oregon. 



* * Puberulent or glabrous ; leaves sharply serrate or pinnatLdd. 



53. P. VBNtJSTUS, Dougl. Glabrous, erect ; leaves rather broadly lanceolate, sharply dentate; the 

 thyrsoid panicle rather loose ; corolla 1' long or more, the lobes oiliate ; filaments and authors sparingly 

 pilose or rarely glabrous. — Oregon. 



54. P. DlFFUstrs, Dougl. Puberulent ; stems ascending ; upper leaves ovate or ovate-lanceolate, 

 snbcordate-clasping, thickly serrate ; panicle usually leafy, the cymelets crowded ; corolla not 1' long ; 

 anthers glabrous ; sterile filament bearded at top. — Oregon to British Columbia. 



55. P. RiCHABDSONii, Dougl. Nearly glabrous, usually with spreading branches ; leaves ovate- or 

 narrow-lanceolate, incised or pinnatifid, often alternate on the branches ; panicle loose ; corolla 1' long ; 

 sterile filament sparingly bearded at the top. — Oregon. 



56. P. TRIPHYLLUS, Dougl. Nearly glabrous, branched ; leaves lanceolate or linear, few-toothed or 

 pinnatifid, rather rigid, the lower in threes or fours, opposite or alternate above ; panicle loose, leafy ; 

 corolla i' long, slightly dilated'; sterile filament densely bearded. — Oregon to British Columbia. 



* * * Glabrous or glandular-puberulent ; leaves entire ; filament flattened at tlie summit, glabrous 

 or nearly so ; peduncles few, slender, 3-6-flowered. 



(a.) Corolla i' long, slightly dilated ; anthers glabrous, minutely denticulate on the margin. 



57. P. GEACILENTUS, Gray. Leaves attenuate at base, the lower lanceolate, the upper linear. See 

 page 222. 



(J.) Corolla 1' long, scarlet, cylindric, slightly dilated ; sepals and petals viscid-pubescent. 



58. P. Beidgesii, Gray. Froc. Amer. Acad. 7. 379. California. 



(c.) Corolla 1' long and more, broad-funnelform above, slightly bilabiate ; anthers hirsute at base or 

 glabrous, short-ciliate on the margins. 



59. P. HETEEOPnYLi,us, Lindl. Glabrous or pruinose-puberulent ; leaves narrowed at base ; pedun- 

 cles rarely 2-flowered ; corolla reddish-purple. See page 222. 



60. P. AZUEBtJS, Benth. Glabrous, glaucous; leaves lanceolate, the lower spatulate-oblong, the 

 upper sessile and broad at base, often subcordate-ovate ; panicle virgate; peduncles 1-3-flowered; corolla 

 bright-blue with a reddish -purple base. — California. 



61. P. LiETUS, Gray. About 1° high, ceesious-pruinose with a short soft glandular pubescence ; oth- 

 erwise resembling the last. — S. California. 



62. P. KiNGii, S. Watson. Low, pruinose or glandular-pubescent, at least below ; leaves oblanceo- 

 late with a narrowed base ; raceme secund ; peduncles 1-4-flowered ; corolla 8" long, purple. See 

 page 222. 



Uncertain species. 

 P. TEKELLUS, KcU. Proc. Calif. Acad. 1. 56. 

 P. CAEiNATUS, Kell. ; I. v., 1. 62. 



P. CANOSOBAEBATUM, KeU. ; I. c, 2. 15. 



p. ROSTRIFLOKUM, Kell.; l.c, % 15. 



