166 HYDROPHYLLACE^. Phacelia. 



P. procera, Gray. Erect, 3 to 7 feet high, minutely soft-pubescent ; the summit of the 

 simple stem glandular, but even the calyx not hispid : leaves green and membranaceous, 

 2 to 5 inches long, ovate-lanceolate and ovate, acute, mostly laciniate-pinnatitid or cleft ; 

 the lobes 2 to 4 pairs and acute : spikes of the glomerate or bifid cyme somewhat length- 

 ened with age : corolla white or bluish ; the semi-obcordate oblique appendages united over 

 the base of the sparsely bearded filament : anthers oblong : style 2-clef t above the middle : 

 capsule globular-ovate, hardly mucronate : seeds 10-18, wing-angled. — Proc. Am. Acad. 

 X. 323, & Bot. Calif, i. 509. — In mountain meadows of the Sierra Nevada, California, 

 Nevada to Siskiyou Co., Bolander, Lemmon, Greene, Flowers at length very short pedicelled : 

 corolla cleft to the middle. 



* * Perennial, with long exserted stamens and spiciform-thyrsoid inflorescence : appendages of 

 the campanulate marcesceni-persistent corolla conspicuous, ofilong, A'ertical, wholly free from the 

 filament: ovules moderately numerous. 



P. sericea, Gray. A span to a foot high from a branching caudex, silky-pubescent or 

 canescent, or the simple virgate stems and inflorescence villous-hirsute, rather leafy to the 

 top : leaves pinnately parted into linear or narrow-oblong numerous and often again few- 

 cleft or pinnatifid divisions, silky-canescent or sometimes greenish ; the lower petioled ; 

 the uppermost simpler and nearly sessile : short spikes crowded in a naked spike-like 

 thyrsus : corolla violet-blue or whitish, very open-campanulate, cleft to the middle : anthers 

 short-oval: style 2-clef t at the apex : capsule ovate, short-acuminate, a little longer than 

 the calyx and marcescent-persistent corolla, 12-18-seeded : seeds oval-oblong, terete, acutish, 

 longitudinally costate and transversely alveolate, reticulated. — Am. Jour. Sci. ser. 2, 

 (1862) xxxiv. 254, & Proc. 1. c. ; Watson, Bot. Iving, 252. Eutoca sericea, Graham ; Hook. 

 Bot. Mag.it. 3003; & Fl. ii. 79. E. pnsilla, Lehm. Pugill. — Higher mountains of Colorado 

 and Nevada, and north to British Columbia and the arctic region. Corolla 3, and stamens 

 and style 7 to 10 lines long. Shallow alveolations of the seed in vertical rows. 



Var. Lyallii, Gray. Low, less silky : leaves green and sparsely hirsute-pubescent, 

 more simply pinnatifid; the lobes short and broad : inflorescence thyrsoid-capitate. — Proc. 

 Am. Acad. x. 323. — Rocky Mountains in lat. 49°, at 6-7,000 feet, Lydl, &c. 



* * * Annuals, with stamens about the length of the rotate-campanulate corolla, and the densely- 

 flowered spikes or spike-like racemes thyrsoid-cymose or paniculate : appendages of the corolla 

 long and narrow, free at apex, and at tiase free from the (glabrous or slightly hairy) filaments : 

 anthers short: calyx-lobes linear: style 2-cleft at apex: capsule ovate, acuminate or acute. 



P. Franklinii, Gray. A span to a foot or more high, soft-hirsute or pubescent : stem 

 erect, simple or corymbose at summit : lower leaves petioled and pinnately or somewhat 

 bipinnately divided or parted into numerous and short linear-oblong divisions or lobes, the 

 upper sessile and less divided : spikes cymose-glomerate or crowded, little elongated in age : 

 corolla pale blue or almost white : ovules 40 or more : capsule about the length of the 

 calyx : seeds oval, minutely alveolate in vertical lines (nearly as in P. sericea, but the lines 

 less conspicuous). — Man. ed. 2, 329, & ed. 3, 370. Eutoca Franklinii, R. Br. 1. c. t. 27 ; Hook. 

 Bot. Mag. t. 2985. — Shores of Lake Superior to Bear Lake, and on Snake River, south- 

 western Idaho. 



P. Menziesii, Torr. A span to a foot high, at length paniculate-branched, hispid or 

 roughish-hirsute, usually also minutely cinereous-pubescent : leaves mostly sessile, linear 

 or lanceolate and entire, or some of them deeply cleft ; the lobes few or single, linear or 

 lanceolate, entire : spikes or spike-like racemes thyrsoid-paniculate, at length elongated 

 and erect,: corolla bright violet or sometimes white : ovules 12 to 16 : capsule shorter than 

 the calyx : seeds oblong, coarsely favose-reticulated. — Watson, Bot. King, 252. Hydrophyl- 

 lum lineare, Pursh, Fl. i. 134. Euioca Menziesii, R. Br. 1. c. t. 27, fig. 1-5 ; Hook. Fl. 1. c. & 

 Bot. Mag. t. 3762 ; Brit. Fl. Card. ser. 2, t. 334. E. mdtiflora, Dougl. in Lehm. Pugill. & 

 Bot. Reg. t. 1180. E. heterophylla, Torr. in Stansb. Rep. — Open soil, Montana to Utah, and 

 west to British Columbia, Oregon, and the Sierra Nevada in California. Very floriferous 

 and handsome : corolla half to three-fourths of an inch in diameter. 



* * * * Annuals, with stamens shorter than (in P. divaricata sometimes equalling) the corolla, 

 and spiciform or racemiform inflorescence. 



-I— Leaves pinnately compound, and seeds excavated and ridged on the ventral face, in the manner 

 of P. congesta, tanacetijolia, ice. 

 P. infundibviliforniis, Torr. A foot or so high, villous-hirsute or somewhat hispid, 

 viscid-glandular : leaves all petioled and pinnately divided ; the divisions 5 to 11, oval or 



