468 HYDROPHYLLACE^E PHACELIA 



cemes several, terminal and subterminal: corolla nearly cylindrical, either 

 deep purple or ochroleucous : mature calyx-segments narrowly oblanceo- 

 late, or some of them more dilated at summit, hispid with spreading hairs, 

 without finer pubescence : capsule small, ovate, acuminate mostly 4-seeded. 

 In rich moist soil, southeastern Oregon and adjacent California. 



P. heterophylla Pursh Fl 140. P. circinata. Jacq. f Hispid and the 

 foliage caneecent: stem stout, 6-24 inches high from a perennial root: 

 leaves from lanceolate to ovate, acute, pinnately and obliquely striate- 

 veined, the lower tapering into a petiole and commonly some of them 

 with 1 or 2 pairs of small lateral leaflets: inflorescence hispid; the dense 

 spikes thyrsoid congested : corolla bluish, longer than the oblong-lanceolate 

 or linear calyx-lobes: filaments much exserted, sparingly bearded. Dry 

 grounds and rocky ridges, Brit. Columbia to California. 



P. virgata Greene Erythea iv, 54. Hispid and the foliage strigose: 

 stem usually solitary, erect and strict, simple, 1-2 feet ^igh from an 

 annual or biennial root : leaves pinnate or the upper ones simple and entire, 

 leaflets lanceolate, acute or acuminate, 6-12 lines long, strongly pinna 1 e- 

 veined: flowers in dense glomerules in a long virgate spike or thyrsus; in- 

 florescence hispid; sepals oblong-lanceolate, corolla white or yellowish, 

 little exceeding the calyx; filaments long exserted, often curved or twisted, 

 pubescent. Dry ground, southwestern Oregon. 



P. leucophylla Torr. Frem. Rep. 95. Perennial by a stout root stock, 

 pale, densely silky-pubescent, the hairs appressed or ascending : stems sim- 

 ple or branched, 12-18 inches high: leaves lanceolate to oblong, entire; 

 pinnately veined, 2-4 inches long, 4-12 lines wide, the lower long-petioled, 

 the upper sessile or nearly so; spike-like brandies of the scorpioid cymes 

 very dense, nearly straight and 1-3 inches long when expanded : flowers 

 sessile, very numerous, about 4 lines high : calyx-lobes hispid, oblong-lan- 

 ceolate or linear, somewhat shorter than the white or bluish, 5-lobed corolla; 

 corolla-appendages conspicuous, in pairs between the filaments; stamens 

 exserted glabrous ; ovules 2 on each placenta; capsule ovoid : In dry soil, 

 Idaho to Dakota and Nebraska. 



P. hiimilis T. & G. Pac. R. Rep ii, 122. Pubescent or the inflorescence 

 often hirsute: stem 8-10 inches high from an annual root, diffusely bran- 

 ched from the base: leaves spatulate-oblong or oblanceolate. rather obtuse; 

 the lower rarely with 1 or 2 lateral ascending lobes, the veins branching: 

 spikes loosely paniculate or solitary, in age rather slender : pedicels either 

 all very short, or the lower sometimes almost as long as the calyx : corolla 

 indigo-blue, rather deeply lobed, surpassing the linear calyx-lobes : fila- 

 ments moderately exserted, glabrous or sparingly bearded above : capsule 

 ovate, acute, 1> lines long, 4-seeded: seeds a line long, minutely pitted. 

 Eastern Oregon to Nevada and California. 



*- +- Leaves simple, all petioled rounded-cordate, somewhat pal- 

 mately lobed or incised, the lobes serrate. 



P. in alvu' flora Cham. Linn, iv, 494. Rather tall and stout, hispid with 

 spreading or reflexed bristles and the foliage more or less pubescent: leaves 

 green and membranaceous, round-cordate, incisely 5-9-lobed, acutely 

 toothed, somewhat palmately ribbed at base: flowering spikes solitary or 

 geminate, an inch long: corolla 3-4 lines long, white, longer than the un- 

 equal linear and spatulate calyx-lobes: stamens exserted : seeds alveolate- 

 scabrous. Along the coast, southern Oregon and California. 



P. Battani Gray Syn, Fl. Supp. 413. Hispid with slender stinging 

 bristles throughout f root annual : stem slender and weak, 6-18 inches high : 

 leaves oval to oblong-ovate, with truncate or barely snbcordate base, in- 

 cisely somewhat lobed and crenate, only the lower palmately veined at 



