504 HYDROPHYLLACEAE 



usually opposite, linear-oblong to oval, 0.5-2 cm. long, 0.2-1 cm. broad, entire or pinnately 

 few-lobed, tapering into a slender petiole ; cauline leaves alternate, like the basal ; flowers few, 

 slender-pedicellate in short, lax, almost filiform cymes, the cymes 1-4 cm. long, erect in fruit ; 

 calyx-lobes linear-oblanceolate, 1.5-2.5 mm. long, up to 0.5 mm. broad, hirsutulous, a little 

 unequal, in fruit 3-5 mm. long ; corolla lavender to nearly white, broadly campanulate, decidu- 

 ous, 2^ mm. long, 3-5 mm. broad, the lobes oval to obovate, 1-2 mm. long, the whole longer 

 than the calyx ; stamens about equaling the corolla, 3-5 mm. long, the filaments glabrous, the 

 anthers oval, about 0.3 mm. long; scales small and narrow, wholly adnate and united at base 

 in front of the filaments; style included, 1-3.5 mm. long, glabrous to glandular-puberulent, 

 parted nearly to the base ; capsule subglobose, 2-3 mm. long, hirsutulous ; seeds 2-4, oblong- 

 ovoid, about 1.5 mm. long, brown, coarsely foveolate. 



Coniferous woods, Boreal Zones; central and southern Sierra Nevada, California, from Eldorado County to 

 Inyo and Tulare Counties. Type locality: "in Fresno County." June-July. 



37. Phacelia orogenes Brand. Mountain Phacelia. Fig. 4096. 



Phacelia orogenes Brand, Jahresb. Kgl. Gymnas. Sorau Beilage 7. 1911. 



Annual, 2-10 cm. tall from a slender taproot, softly hirsutulous and a little glandular 

 throughout; stem simple, filiform, erect; cotyledons persistent, oval or ovate. Basal leaves 

 opposite, linear-lanceolate, 1-3 cm. long, 1-3 mm. broad, entire, tapering into a slender petiole 

 longer than the blade; flowers few in a lax terminal cyme, the cymes up to 4 cm. long, the 

 pedicels slender ; calyx-lobes linear, 2-3 mm. long, unequal, glandular and hirsutulous, up to 

 8 mm. long, 5 mm. broad in fruit ; corolla pelviform, deciduous, the lobes violet, the tube 

 white, 4-6 mm. long, 5-7 mm. broad, the lobes 3-4 mm. long, the whole a little longer than the 

 calyx; stamens slightly exserted, 3-5 mm. long, the anthers 0.5 mm. long, the filaments glab- 

 rous; scales oblong, almost free from the filaments; style a little exserted, 3.5 mm. long, parted 

 nearly to the base, hairy ; capsule subglobose, 3 mm. long, hairy ; seeds 3-6, ovoid-angled, 1.5-2 mm. 

 long, foveolate. 



Moist places. Boreal Zones; southern Sierra Nevada, California. Type locality: Eagle Lake Trail near 

 Mineral King, Tulare County. July-Aug. 



Z^. Phacelia Breweri A. Gray. Brewer's Phacelia. Fig. 4097. 



Phacelia Breweri A. Gray, Proc. Amer. Acad. 10: 317. 1875. 



Annual, 0.8-2 dm. tall from a slender taproot, puberulent and hirsute throughout; branches 



prostrate or ascending, usually branched. Basal leaves alternate, lanceolate to ovate, 1-4 cm. 



long, 0.5-2 cm. broad, pinnately lobed or pinnatifid (rarely entire), tapering into a slender 



petiole, the parallel lateral veins conspicuous ; cauline leaves numerous to few, like the basal, 



or entire and short-petiolate ; flowers short-pedicellate, numerous, in simple or few-branched 



cymes, the cymes 4-8 (or 12) cm. long, erect or ascending in fruit; calyx-lobes linear-oblong, 



obtuse, 2-3 mm. long, 0.3 mm. broad, slightly accrescent, densely hispid; corolla pale blue or 



lavender to white, pelviform, deciduous, 4-6 mm. long and broad, the lobes obovate, 1-3 mm. 



long, the whole longer than the calyx ; scales narrow and short, acute, adnate by one edge ; 



stamens included, 3-4.5 mm. long, the filaments glabrous; style included, 2-3 mm. long, parted 



to below the middle, pubescent ; capsule ovoid, 2-3 mm. long, acuminate, flattened, hispid ; 



seeds 1 or 2, lanceolate-ovoid, light brown, shining, about 2 mm. long, finely foveolate. 



Rocky slopes, often in light shade, Upper Sonoran Zone; South Coast Ranges of California, from Mount 

 Diablo to San Benito and Fresno Counties. Type locality: Mount Diablo. April-May. 



39. Phacelia humilis Torr. & Gray. Low Phacelia. Fig. 4098. 



Phacelia humilis Torr. & Gray, Pacif. R. Rep. 1 : 122. pi. 7. 1855. 

 Phacelia irritans Brand, Jahresb. Kgl. Gymnas. Sorau Beilage 7. 1911. 

 Phacelia violacea Brand, Rep. Spec. Nov. 17: 319. 1921. 

 Phacelia humilis var. Dudleyi J. T. Howell, Amer. Midi. Nat. 30: 9. 1943. 



Annual, 0.5-2 dm. tall from a slender taproot, softly hirsute throughout; stems erect, 

 simple or dififusely branched. Basal leaves alternate or the lowest opposite, oblong-lanceolate 

 to ovate, 1-4.5 cm. long, 0.5-1.5 cm. broad, entire, venose, tapering into a petiole of about 

 equal length ; cauline leaves numerous, like the basal but short-petiolate ; flowers numerous, 

 short-pedicellate in dense, simple or few-branched cymes, the cymes 2-5 cm. long, erect in 

 fruit; calyx-lobes linear to narrowly oblanceolate, 3-5 mm. long, 0.5 mm. broad, densely 

 white-hirsute, a little accrescent in fruit ; corolla violet, pelviform, deciduous, 4-6 mm. long 

 and broad, the lobes obovate, 2-3 mm. long, the whole much longer than the calyx ; stamens 

 exserted, 4-8 mm. long, the filaments pubescent, the anthers oval, about 0.5 long; scales tri- 

 angular-ovate, adnate by one edge ; style exserted, 4-8 mm. long, glabrous or sparsely pubescent, 

 parted to below the middle; capsule ovoid, 2-5 mm. long, acute, hirsute; seeds 1-4, oblong- 

 lanceolate, 2-2.5 mm. long, brown, finely foveolate. 



Moist shaded sand. Boreal Zones; Wenatchee region of central Washington to northeastern and eastern Cali- 

 fornia, east to Nevada; Tehachapi Mountains. Type locality: near the summit of the Sierra Nevada, California. 

 June-July. 



40. Phacelia marcescens Eastw. Persistent-flowered Phacelia. Fig. 4099. 



Phacelia marcescens Eastw. ex J. F. Macbride, Contr. Gray Herb. No. 49: 39. 1917. 



Annual, 0.5-2 dm. tall from a slender taproot, short-hirsute and glandular throughout; 

 stems erect, simple or dififusely branched. Basal leaves alternate or the lowermost opposite, 



