448 POLEMONIACEAE 



expanded and marginally toothed above middle; inflorescence capitate, 1.5-2.5 cm. broad; bracts 

 similar to leaves but shortened, more rigid, less dissected, 5-15 mm. long, often glandular; calyx 

 rigid, chartaceous, hispid with white hairs, sepals unequal, 5-9 mm. long, entire or 3-5-lobed, 

 sinus-membrane very narrow but growing with the capsule; corolla funnelform, 7-11 mm. long, 

 the tube 3.5-7 mm., white, throat 1-2 mm., white, lobes 2-3 mm., purple to pink; stamens equally 

 or subequally inserted on base of throat, 5-8 mm. long, exceeding the lobes ; style exserted, stigma 

 less than 0.5 mm. long, 2-lobed ; capsule obovoid, 4-angled above, with locular thickening, 4- 

 valved, walls rigid, often with a short stout beak, incompletely 2-celled, becoming 1-celled by 

 rupture of partition; seeds 1, 4-angled. 



Inner South Coast Ranges, Monterey County to Santa Barbara County, inland to Fresno and Tulare Counties, 

 California. Type locality: "somewhere in Lake County, California." May-June. 



Navarretia mitracarpa subsp. Jaredii (Eastw.) H. L. Mason. (Navarretia Jaredii Eastw. Zoe 5: 89. 1900; 

 Gilia Jaredii K. Sch. in Just, Bot. Jahresb. 28: 489. 1902.) Stem erect, stout, simple or virgately branched 

 from near base; inflorescence 2-3.5 cm. broad. Paso Robles, California. Type locality: Paso Robles Creek, San 

 Luis Obispo County, California. 



18. Navarretia pubescens (Benth.) Hook. & Arn. Downy Navarretia. Fig. 3991. 



Aegochloa puhescens Benth. Bot. Reg. 19: under pi. 1622. 1833. 

 Gilia pubescens Steudel, Norn. ed. 2. 1: 683. 1840. 

 Navarretia pubescens Hook. & Arn. Bot. Beechey 368. 1840. 



Erect annual 8-40 cm. high, stems simple or branched from base or racemosely branched 

 above, retrorse-canescent and with scattered gland-tipped hairs. Leaves sessile, pinnately to bi- 

 pinnately dissected, the ultimate divisions short-ovate-lanceolate in outline, 2-6 cm. long, rachis 

 occasionally somewhat flattened and expanded toward tip, especially on upper leaves, then la- 

 ciniate ; inflorescence capitate ; bracts leaf-like, the rachis prominent and often broad, the lobes 

 pungent, densely glandular-villous ; flowers sessile ; calyx about 1 cm. long, the lobes unequal, the 

 longest often toothed or lobed, the shorter simple, all ribbed on the back and chartaceous below, 

 sinus-rnembranes below lobes densely pilose with weak, gland-tipped hairs ; corolla funnelform, 

 blue with violet or purple veins or frequently with tube and throat white, 10-14 mm. long, tube 

 6 mm., throat 5 mm. with hyaline area below the sinuses becoming distended in age, lobes 2.5 

 mm., broadly oblong, tip obtuse, pilose exteriorly throughout; stamens equally or subequally 

 inserted on base of throat, unequal in length, included to well-exserted, anthers and pollen cream- 

 white ; style included, 2-cleft ; capsule chartaceous throughout, circumscissile at base, 1-celled, 

 4-valved, valves persistent ; seeds 1-2 in each capsule. 



Valleys and foothills; Sierra Nevada from Butte County to Kern County, and Coast Ranges from Humboldt 

 County to San Luis Obispo County, California. Type locality: "California." Collected by Douglas. May-June. 



19. Navarretia prolifera Greene. Bur Navarretia. Fig. 3992. 



Navarretia prolifera Greene, Pittonia 1: 135. 1887. 



Erect annual 8-18 cm. high, stems brown, glabrous to puberulent, divaricately branched, with 

 mostly leafless branches proliferating from beneath the capitate inflorescence. Lower leaves 2-4 

 cm. long, entire or pinnate with 2-4 pairs of short remote, cuspidate lobes, sparsely puberulent, 

 upper 1.2-2 cm. long, pinnate with 1-3 pairs of lobes near base and terminal segment elongate, 

 or becoming bracteate above and palmately 3-7-cleft, villous in sinuses of lobes ; bracts 3-10 mm. 

 long, with broad, coriaceous rachis, palmately 5-8-cleft into acerose lobes, densely coarse-villous 

 dorsally and just above sinuses, subglabrous beyond to tips ; calyx 5-7 mm. long, cleft to base 

 into unequal acerose lobes, these hyaline below middle and joined by a membrane to form a 

 pseudotube 1.5-2 mm. long, pubescence as of the bracts, and forming a tuft midway on each 

 segment; corolla funnelform, 1 cm. long, well exceeding calyx, tube 5 mm., throat 2 mm., lobes 

 2.5 mm., blue or purple, tube and throat lighter; stamens inserted in upper half of throat, 2-A 

 mm. long, unequal, the longest just exserted ; style exserted, stigma 0.5 mm. long, 3-lobed ; capsule 

 ovoid, papery-walled, 2 mm. long, 3-celled ; seeds brown, ovoid, shallow-pitted, several in each 

 cell. 



Tulare and Amador Counties, California. Type locality: near Visalia, California. May-June. 



Navarretia prolifera subsp. lutea (Brand) H. L. Mason. {Navarretia prolifera var. lutea Brand, Ann. Con- 

 serv. & Jard. Bot. Geneve 15: 338. 1913.) Corolla bright yellow. West central Eldorado County, 2,500 to 4,000 

 feet, California. Type locality: Camino, Eldorado County, California. 



20. Navarretia divaricata (Torr.) Greene. Mountain Navarretia. Fig. 3993. 



Gilia divaricata Torr. e.x A. Gray, Proc. Amer. Acad. 8: 270. 1870. 



A'^arorj-ffia rfiVanVafo Greene, Pittonia 1: 136. 1887. 



Navarretia prolifera var. brevifiora M. E. Peck, Proc. Biol. Soc. Wash. 50: 94. 1937. 



Erect or spreading annual, 1-15 cm. high, often with a spread of 1-25 cm., stems simple or 

 divaricately branched, typically proliferating from below the terminal heads, glabrous to slightly 

 glandular-puberulent toward the inflorescence ; cotyledons terete, linear, connate at base. Leaves 

 simple to subpinnately lobed, the middle lobe longest, the lateral lobes from near the base, occa- 

 sionally one or more of the lobes bipartite or proliferating; inflorescence capitate on slender 

 brovyn wiry stems; bracts palmately lobed, the middle lobe 1-4 times the lateral, simple or bi- 

 partite, tipped with an acerose callous spine, pilose in the sinuses, becoming glabrate above ; 

 calyx 4-7 mm. long, cleft into unequal, simple, acerose lobes, united in lowed third or half by 

 sinus-membrane, white-pilose to villous on the lower half ; corolla salverform to short-funnel- 

 form, occasionally the throat appearing somewhat swollen when dry, white or deep blue or tube 

 and throat yellow and the lobes pink or lavender, 3.5-4.5 mm. long, tube 2-2.5 mm., throat 

 1-2 mm., lobes 0.5 mm.; stamens unequally to subequally inserted on throat, included, anthers 



