470 HYDROPHYLLACEZ PHACELIA 
ovate, hardly mucronate : seeds 10-18, wing-angled. In the high mountains 
of Brit. Columbia to California. 
P. sericea Gray Am. Jour. Sci. ser. 2, xxxiv, 254. Stems 8-12 inches 
high from a branching perennial caudex, silky-pubescent or canescent or 
the simple yirgate stems and inflorescence villous-hirsute, leafy to the top: 
leaves pinnately parted into linear or narrow-oblong numerous and often 
again few-cleft or pinnatifid divisions, silky-canescent or sometime greenish : 
the lower petioled; the uppermost simpler and nearly sessile: short spikes 
crowded in a naked spike-like thyrsus: calyx-lobes linear, minutely hispid: 
corolla blue or whitish, very open-campanulate, cleft to the middle, mar- 
cescent-persistent ; its appendages oblong, vertical, wholly free from the 
filaments: stamens long-exserted ; anthers short-oval: style 2-cleftat the a- 
pex : capsule ovate, short-acuminate, a little longer than the calyx and mar- 
cescent corolla, 12-18 seeded: seeds ovate-oblong, terete, acutish, longitud- 
inally costate and transversely alveolate-reticulaited. On high mountains, 
Oregon and Washington to the Arctic regions and the Rocky Mountains. 
P. Franklinii Gray Man. ed. 2, 329. Villous-pubescent throughout: 
stem erect, 6-18 inches high, from an annual root, simple or corymbosely 
branched at the summit: leaves 144-3 inches lomg, pinnately parted into 
7-15 linear or linear-oblong acute entire dentate or incised segments: flow- 
ers blue to nearly white, short pediceled, in dense scorpioid racemes: 
calyx-lobes linear-lanceolate, acute, longer than the tube of the rotate- 
campanulate corolla: appendages of the corolla long and narrow, free at 
the apex, and at base free from the filaments: stamens about as long as 
the corolla; anthers short: style 2-cleft at the apex: capsule ovate, acute, 
about equalling the calyx, seeds numerous, oval,minutely alveolate in ver- 
tical lines. Along the Snake river southwestern Idaho to Lake Superior. 
P. Menziesii Torr. Watson Bot. King 252. Hispid or roughish-hirsute, 
and usually cinereous-pubescent also: stem erect, 4-12 inches high froman. 
annual root, at length paniculately branched :leaves mostly sessile, linear- 
lanceolate, entire or some of them deeply cleft; the lobes few or single, lin- 
ear or lanceolate entire: spikes or spike like racemes thyrsoid-paniculate, at 
length elongated and erect : calyx-lobes linear, hispid-ciliate, 4-5 lines long: 
corolla blue varying to white, rotate-campanulate, 6-10 lines in diameter; 
its appendages connivent in pairs opposite the lobes, forming 5 nectarifer- 
ous grooves: alternate stamens shorter than the vorolla: style 2-cleft at the 
apex: capsule ovate, acuminate, about half the length of the calyx: ovules 
12-16: seeds oblong coarsely favose-reticulated. Common in dry grounds, 
Oregon and Washington to California, Brit. Columbia and Montana. 
P. verna Howell Erythea iii, 35. Soft-pubescent and cinereous: 
stem 4-10 inches high from an annual root, paniculately branched: leaves 
obovate tospatulate, entiré or rarely some of the lower ones incisely toothed, 
abruptly contracted below to a winged petiole, or the upper ones sessile: 
corolla pale blue, but little exceeding the calyx, open-campanulate, cleft to 
the middle, its appendages broad and free from the filaments; calyx-lobes 
linear-lanceolate, 2-3 lines long, hirsute: stamens exserted, anthers oval; 
style deeply 2-cleft,hispidulous: capsule ovoid, acuminate, more than half 
the length of the calyx ; seeds 8-12, oblong to obovate, favose- pitted. On 
rocky ridges in the Umpqua Valley, Oregon. 
§ 3 Microcenetes B. & H. Gen. ii 828. Low annuals with 
mostly pinnatifid leaves. Appendages in the corolla present or 
rarely wanting Style 2-cleft only at the apex. Stamens unequal, 
not exserted. Ovules several on each placenta. Seeds oblong, 
strongly corrugated transversely. 
P. Ivesiana Torr. Bot. Ives 21. Hirsute-pubescent and glandular: 
