508 HYDROPHYLLACEAE 



47. Phacelia curvipes Torr. Washoe Phacelia. Fig. 4106. 



Phacelia curvipes Torr. ex S. Wats. Bot. King Expl. 252. 1871. 

 Phacelia pratensis Heller, Muhlenbergia 2: 236. 1906. 



Annual, 0.3-1.5 dm. tall from a slender taproot, sparsely appressed-hirsute throughout, 

 the inflorescence sparingly glandular; stems diffuse or ascending, branching at base and some- 

 times above. Basal leaves, at least the lowest, opposite, the upper alternate, oblong, 1-5 cm. 

 long, 0.5-1 cm. broad, tapering into a petiole about equaling the blade, entire or occasionally 

 few-toothed ; cauline leaves alternate, rather few, like the basal ; flowers few, short-pedicellate 

 in rather lax, simple cymes 1-6 cm. long, these erect in fruit and the pedicels elongate, curved, 

 spreading, or deflexed; calyx-lobes linear to oblanceolate, 3-6 mm. long, 0.5-1 mm. broad, in 

 fruit 7-10 mm. long, 1.5-2 mm. broad, hirsute especially toward the base; corolla purplish blue 

 to white, broadly campanulate, deciduous, 4-10 mm. long, 4-12 mm. broad, the lobes obovate, 

 1.5-4 mm. long, the whole equaling to twice as long as the calyx; stamens included, 2-6 mm. 

 long, the anthers oblong-oval, about 0.5 mm. long, the filaments sparsely hairy; scales narrowly 

 oblong, 1-1.5 mm. long, adnate, attached to the filaments only at base; style 1.5-7 mm. long, 

 cleft to the middle, pubescent ; capsule ovoid, flattened, 4-5 mm. long, acuminate, appressed- 

 hirsute; seeds 6-16, oblong, about 1 mm. long, dark brown, irregularly foveolate. 



Dry slopes in the mountains, Transition and Boreal Zones; desert ranges and eastern slope of the Sierra 

 Nevada, to Nevada and Utah. Type locality: foothills near Carson City and Washoe and on the Trinity Mountains, 

 •western Nevada. April-June. 



Phacelia Davidsonii A. Gray, Proc. Amer. Acad. 10: 324. 1875. {Phacelia Davidsonii var. macrantha 

 Parish, Erythea 6: 90. 1898; P. Aldersonii Greene, Pittonia 5: 22. 1902; P. nemaphiloides Greene, op. cit. 23.) 

 Commonly larger throughout; leaves usually toothed, pinnately lobed, or pinnatifid; corolla pelviform, up to IS 

 mm. long, 20 mm. broad, often violet-maculate. Pine belt, southern Sierra Nevada and Tehachapi ranges to the 

 mountains of southern California. Type locality: Kern County, California. 



48. Phacelia Douglasii'(Benth.) Torr. Douglas' Phacelia. Fig. 4107. 



Eutoca Douglasii Benth. Trans. Linn. Soc. 17: 276. 1835. 



Phacelia Douglasii Torr. Bot. Mex. Bound. 143. 1859. 



Phacelia Douglasii \&t. petrophila Jepson, Man. Fl. PI. Calif. 826. 1925. 



Annual, 0.5-5 dm. tall from a slender taproot, softly hirsutulous throughout to somewhat 

 hispid, the inflorescence glandular ; branches prostrate or ascending, simple or branched. Basal 

 leaves rosulate, oblong, 2-5 cm. long, 1-2 cm. broad, usually pinnatifid with numerous opposite, 

 unequal, oblong or ovoid divisions, occasionally entire, few-toothed, or bipinnatifid, tapering 

 into a slender petiole about equaling the blade ; cauline leaves like the basal ; flowers long- 

 pedicellate in loose, few-flowered, simple cymes, the cymes 5-20 cm. long, erect or spreading 

 in fruit, the pedicels elongate and recurved ; calyx-lobes oblanceolate to narrowly spatulate, 

 usually obtuse, 4-7 mm. long, 1.5-2 mm. broad, hirsute, slightly to strongly accrescent in fruit; 

 corolla blue to purple, pelviform to subrotate, deciduous, 6-15 mm. long, 8-20 mm. broad, the 

 lobes obovate, 3-6 mm. long, the whole much longer than the calyx ; stamens included, Z-7 mm. 

 long, the anthers oblong-ovoid, 0.5-0.8 mm. long, the filaments hairy or glabrous; scales ovate 

 or lanceolate, 1.5-2 mm. long, wholly adnate; style included, 2-7 mm. long, cleft to the middle; 

 capsule ovoid, 5-7 mm. long, acuminate, somewhat hirsute, flattened; seeds usually 10-20, 

 ovoid, 0.5-1 mm. long, brown, foveolate. 



Sandy moist flats, Transition and Sonoran Zones; California coast and Coast Ranges from the San Francisco 

 Bay region to cismontane southern California; Sacramento Valley; San Joaquin Valley and bordering foothills. 

 Type locality: California. Collected by Douglas. March-May. 



Phacelia stellaris Brand, Pflanzenreich ^^i 123. 1913. {Phacelia Palmeri Vasey & Rose, Proc. U.S. Nat. 

 Mus. 11: 532. 1888. Not S. Wats. 1871; P. Douglasii var. cryptantha Brand, Pflanzenreich 4=^1: 114. 1913.) 

 Smaller in all parts; flowers 4—5 mm. long, 5-7 mm. broad, scarcely exceeding the calyx; pedicels 1-6 mm. long; 

 style 1-2 mm. long. Cismontane southern California to Lower California. Type locality: San Quintin Bay, Lower 

 California. 



49. Phacelia divaricata (Benth.) A. Gray. Divaricate Phacelia. Fig. 4108. 



Eutoca divaricata Benth. Trans. Linn. Soc. 17: 278. 183S. 



Eutoca Wrangeliana Fisch. & Mey. Ind. Sem. Hort. Petrop. 2: 37. 1836. 



Phacelia divaricata A. Gray, Proc. Amer. Acad. 10: 325. 1875. 



Annual, 0.5-3 dm. tall from a slender taproot, sparsely hirsute and pubescent throughout; 

 stems erect or ascending, branching at base. Basal leaves alternate, oblong to ovate, 1-8 cm. 

 long, 0.5-4 cm. broad, tapering into a petiole of equal or greater length, entire or occasionally 

 with a few teeth at the base ; flowers numerous, subsessile in short, pedunculate, simple or 

 geminate, compact cymes, the cymes 2-15 cm. long, erect in fruit; calyx-lobes lanceolate to 

 obovate, often unequal, 5-7 mm. long, 1-2 mm. broad, hirsute-ciliate, 8-14 mm. long, 2-4 mm. 

 hroad in fruit; corolla purplish blue, pelviform, deciduous, 10-18 mm. long, 15-24 mm. broad, 

 the lobes obovate, 4-5 mm. long, the whole much longer than the calyx ; stamens included, 

 8-10 mm. long, the anthers oblong-oval, 0.5-0.8 mm. long, the filaments glandular and some- 

 times hairy ; scales ovate, adnate ; style included, 6-10 mm. long, cleft to above the middle, 

 hirsute; capsule ovoid, flattened, 6-10 mm. long, hirsute at the apex; seeds 8-15, ovoid, 1.5 mm. 

 long, dark brown, foveolate. 



Grassy open slopes. Transition Zone; Coast Ranges, Mendocino and Napa Counties to Santa Clara and San 

 Benito Counties, California. Type locality: "California." Collected by Douglas. March-May. 



Phacelia insularis Munz, Bull. S. Calif. Acad. 31: 113. 1932. {Phacelia insularis var. continentis J. T. 

 Howell, Amer. Midi. Nat. 33: 474. 1945.) Stems prostrate or ascending; basal leaves lanceolate to oval, entire 

 to pinnately lobed; flowers few, short-pedicellate in lax, open cymes, the lower pedicels elongate, the cymes spread- 



