498 HYDROPHYLLACEAE 



branched, slender, erect. Basal leaves alternate, oblong-ovate to ovate, 3-8 cm. long, 1-2.5 cm. 

 broad, pinnately lobed or divided; cauline leaves like the basal, the upper sinuate; flowers few 

 to numerous, subsessile in loosely paniculate cymes, the cymes 5-10 cm. long, spreading in fruit; 

 calyx-lobes lanceolate to narrowly ovate, 2-3 mm. long, 1-1.5 mm. broad, glandular-hispid; 

 corolla blue or white, broadly campanulate, deciduous, 3-4 mm. long and broad, the lobes obovate, 

 1-2 mm. long; stamens included, 2-3 mm. long, the filaments glabrous, the anthers oblong, 

 0.3 mm. long; scales lunate, often auriculate at summit; style included, 2-3 mm. long, cleft about 

 two-thirds ; capsule ovoid, 2-3 mm. long ; seeds 4, ovoid, 2.5-3 mm. long, thick, the ventral surface 

 excavated on each side of a salient ridge, foveolate and transversely corrugated. 



Rocky slopes, Sonoran Zones; southeastern California and adjacent Nevada to Texas and Chihuahua. Type 

 locality: southern New Mexico and Arizona. March-May. 



24. Phacelia imbricata Greene. Imbricate Phacelia. Fig. 4083. 



Phacelia circinata var. calycosa A. Gray, Proc. Amer. Acad. 10: 317. 1875. 



Phacelia imbricata Greene, Erythea 1 : 127. 1893. 



Phacelia stimulans Eastw. Proc. Calif. Acad. III. 2: 291. 1902. 



Phacelia imbricata var. condensata Brand, Univ. Calif. Pub. Bot. 4: 220. 1912. 



Phacelia imbricata var. caudata Brand, loc. cit. 



Phacelia imbricata subvar. Hansenii Brand, loc. cit. 



Perennial, 2-6 dm. tall from a branched caudex, hirsutulous and densely appressed-hispid 

 throughout, the foliage green or grayish green ; stems several to numerous, ascending, simple. 

 Lower leaves linear-lanceolate to ovate-lanceolate, 5-13 cm. long, 1-6 cm. broad, pinnate or pin- 

 natifid, the terminal leaflet much larger than the several pairs of lateral leaflets, all acute or 

 acuminate and prominently veined, the petiole slender, densely hispid, equaling or exceeding the 

 blade ; flowers numerous in dense, loosely racemose cymes, the cymes 2-12 cm. long, ascending 

 in fruit; calyx-lobes broadly lanceolate to obovate, often unequal, 3-4 mm. long, 1.5-3 mm. broad, 

 hirsute- to hispid-ciliate, but green on the back, 5-10 mm. long, 1.5-4 mm. broad and imbricate 

 laterally in fruit ; corolla white, 4-7 mm. long, 4-6 mm. broad, the lobes enfolding the stamens 

 after anthesis ; stamens 9-13 mm. long, the filaments pubescent near the middle and often above, 

 the anthers 0.6-0.8 mm. long; style 9-14 mm. long, pubescent toward the base; capsule lance- 

 ovoid, 3—4 mm. long, acuminate, hispid; seeds usually solitary, oblong-ovoid, 2-2.5 mm. long, 

 brown. 



Rocky open slopes, Sonoran and Transition Zones; Coast Ranges and Sierra Nevada foothills of California, 

 from Humboldt and Shasta Counties to Fresno, Ventura, and San Bernardino Counties. Type locality: "wooded 

 hills of Napa and Sonoma counties, California." April-June. 



Note: Species No. 24 to 32. inclusive, are members of a polyploid complex (Cave & Constance, Univ. Calif. 

 Pub. Bot. 18: 205-216. 1942; 293-298. 1944; 449-465. 1947.) in which satisfactory taxonomic units have not 

 as yet been delimited. 



25. Phacelia californica Cham. California Phacelia. Fig. 4084, 



Phacelia californica Cham. Linnaea 4: 494. 1829. 



Phacelia magellanica i. Jepsonii Brand, Pflanzenreich 4^"-: 100. 1913. 



Perennial, 2.5-9 dm. tall from a branched caudex, short-pilose and more or less hirsute or 

 hispid throughout, the inflorescence densely and softly white-hirsute, the foliage green or green- 

 ish ; sterns several, ascending or erect, simple. Lower leaves ovate, 5-15 cm. long, 2-7 cm. 

 broad, pinnate or pinnatifid, the terminal leaflets much longer than the lateral, all acute or 

 obtuse, prominently veined, the petiole stout, equaling or shorter than the blade ; flowers 

 numerous in dense, racemose or somewhat capitate cymes, the cymes 2-7 cm. long, spreading 

 in fruit ; calyx-lobes lanceolate, 3-5 mm. long, 1-2 mm. broad, densely hirsute-ciliate, 7-8 mm. 

 long, 2-2.5 mm. broad, unequal but scarcely imbricate in fruit; corolla usually lavender, 

 5-6 mm. long and broad; stamens 7-10 mm. long, the filaments pubescent above the middle, 

 the anthers 0.6-0.8 mm. long; style 8-12 mm. long, pubescent below; capsule lance-ovoid, 

 3-4 mm. long, acuminate, hispid; seeds 1 or 2, oblong-ovoid, 2-2.5 mm. long, dark brown. 



Rocky bnnks and slopes. Transition Zones; coast and Coast Ranges from Mendocino County to Santa Clara 

 County, California. Type locality: San Francisco. April-Aug. 



Phacelia egena Greene ex Brand, Univ. Calif. Pub. Bot. 4: 218. 1912. {Phacelia magellicana f. egena 

 Brand, loc. cit.). Branches several to numerous, ascending; leaves usually pinnatifid, with acute divisions; calyx- 

 lobes narr9wly lanceolate, 4—6 mm. long, 1-1.5 mm. broad, hirsute, in fruit 8-10 mm. long, 1.5-2 mm. broad; 

 corolla white, 7-9 mm. long, 6-9 mm. broad. Inner North Coast Ranges and Sierra Nevada foothills, from Hum- 

 boldt and Siskiyou Counties to Ventura and Kern Counties, California. Type locality: Kaweah River, Tulare 

 County. 



Phacelia californica var. bemardina (Greene) Jepson, Man. Fl. PI. Calif. 820. 1925. {Phacelia virgata var. 

 bernardina Greene, Erythea 4: 55. 1896.) Stems tall and stout, usually solitary, erect; inflorescence large and 

 virgate, densely tawny-hirsute to white-hispid; calyx-lobes oblanceolate to ovate; corolla white. Mountains of 

 southern California, especially the San Bernardino Mountains. Type locality: mountains near San Bernardino. 



Phacelia californica var. patula (Brand) Jepson. Man. Fl. PI. Calif. 820. 1925. (Phacelia maacUanica f. 

 pattila Brand, Univ. Calif. Pub. Bot. 4: 219. 1912.) Depressed, the short branches prostrate or ascending; basal, 

 leaves densely rosulate, entire or with a few basal lobes, densely whitish-hispid; inflorescence congested; calyx- 

 lobes lanceolate to obovate; corolla white. Hiph altitudes in the mountains of southern California, from Los 

 Angeles County to San Diego County. Type locality: Stonewell Mine, Cuyamaca Mountains, San Diego County. 



Phacelia californica var. jacintensis Dundas, Bull. S. Calif. Acad. 33: 160. 1935. Stems slender, few, 

 nearly naked; leaves narrowly oblong, densely hispid; inflorescence narrowly racemose and rather few-flowered; 

 corolla usually lavender. San Gabriel. San Bernardino, and San Jacinto Mountains, southern California, at high 

 altitudes. Type locality: Tahquitz Valley, San Jacinto Mountains. 



