446 POLEMONIACEAE 



13. Navarretia eriocephala H, L. Mason. Hoary Navarretia. Fig. 3986. 



Navarretia eriocephala H. L. Mason, Madrono 8: 196. 1946. 



Erect annual, 5-25 cm. high, stems tan to reddish brown, simple or racemosely branched, 

 densely white-canescent with retrorse hairs. Leaves bipinnately dissected, often with a stout broad 

 or sometimes narrow rachis, 1-5 mm. long, puberulent ; bracts stiff-coriaceous, bipinnately dis- 

 sected into linear, acerose lobes, the rachis expanded below, densely white-villous below ; flowers 

 in heads, 5-merous ; calyx unequally cleft, some lobes entire, others 3-lobed or tootlied, 6-8 mm. 

 long, densely white-coarse-villous above, glabrate below ; corolla funnelform, 8-12 mm. long, 

 cream-yellow and often spotted or marked with purple, tube 6 mm., throat 3 mm., lobes 3 mm. 

 long ; stamens equally inserted on the throat, filaments unequal in length, 1-3 mm. long, exserted 

 from throat; stigma exserted, 2-lobed, lobes 0.5 mm. long; capsules obovoid, 4-valved, 1 -celled, 

 1 -seeded, seed brown, smooth or slightly furrowed. 



Foothills of the northern Sierra Nevada, California, Calaveras County to Eldorado and Sacramento Counties; 

 Solano County, California. Type locality: Folsom, Sacramento County. May-July. 



14. Navarretia heterandra H. L. Mason. Tehama Navarretia. Fig. 3987. 



Navarretia heterandra H. L. Mason, Madrono 8: 197. 1946. 



Plants simple or branched from the base, erect or radiately spreading, 3-20 cm. high, stems 

 densely white-canescent with minute, retrorse hairs. Leaves bipinnately dissected, the lobes and 

 rachis slender, lobes of the lower leaves soft-herbaceous becoming pungent and rigid on upper 

 leaves ; bracts divaricately pinnatifid with rigid, acerose lobes, densely white-villous below with 

 coarse white hairs ; flowers sessile in clusters, these aggregated into heads, 4-merous or occa- 

 sionally one or two 5-merous in the same head ; calyx unequally cleft, some to the base, others 

 only two-thirds to base, lobes unequal, usually 3 entire and 2 with lateral teeth or short lobes; 

 sinus-membranes unequal, calyx-tube white-villous above, glabrate on lower half; corolla sub- 

 equaling longest sepals, 5-7 mm. long, white or blue, tube 4-5 mm. long, sometimes pubescent, 

 throat 1 mm. long, lobes 1 mm. long; stamens unequally inserted on the throat, 0.5-1 mm. long, 

 filaments unequal, anther 0.5 mm. long, included; stigma 2-lobed, included; capsule 4-valved, 

 1 -celled, 1 -seeded, seed brown, smooth or slightly furrowed. 



Northern and western borders of the Sacramento Valley in Shasta, Tehama, and Lake Counties, California. 

 Type locality: "Near Cottonwood, Tehama Co." [Shasta County], California. June. 



15. Navarretia Jepsonii V. Bailey. Jepson's Navarretia. Fig. 3988. 



Navarretia Jepsonii V. Bailey ex Jepson, Fl. Calif. 3: 154. 1943. 



Erect, ascending, or more often broadly spreading annual, herbage often with a reddish or 



purple pigment. Leaves finely dissected into short linear acerose lobes, which are forked and 



often proliferate from the base ; inflorescence capitate, bracts with a broad oblong rachis, finely 



dissected into linear acerose lobes, coarsely pilose with papery multicellular hairs, outer bracts 



red or red-tipped ; calyx deeply cleft into linear acerose lobes or the longer with a few lateral 



teeth near the tip, sinus with a membrane in lower part which ascends the margins of the lobes, 



lobes coarsely pilose, the tube puberulent ; corolla funnelform, 10 mm. long, tube 5 mm., white, 



throat 2.5 mm., ample and rounded, white, the lobes 2.5 mm., blue with a purple spot at base 



of each; stamens inserted at base of throat, filaments 8 mm. long, anther 1 mm., white; style 



long-exserted, stigma 2-lobed ; capsule obovoid, thin-walled, almost membranous, circumscissile 



about the base and splitting upward into 8 valves. 



Coast Ranges from Colusa County to Napa County, and eastern borders of Sacramento Valley, California. 

 Type locality: Coyote Valley, southern Lake County, California. June-July. 



16. Navarretia setiloba Coville. Coville's Navarretia. Fig. 3989. 



Navarretia setiloba Coville, Contr. U.S. Nat. Herb. 4: 153. 1893. 



Erect annual, 8-21 cm. high, simple, racemosely branched or occasionally branched from 

 base, stems white, purplish-tinged, minutely puberulent. Leaves linear, bipinnately lobed, lobes 

 often 2-forked from near base, and often lying in a plane perpendicular to that of central portion 

 of leaf, terminal lobe broad, often purple, sharply serrate, 13-25 mm. long, puberulent; calyx 

 7-10 mm. long, cleft to base, the sinuses over half-filled with a membrane, puberulent, with a 

 ring of coarser hairs above the middle on ventral and often on dorsal sides ; corolla funnelform, 

 10-11 mm. long, tube 4.5-5 mm., throat 3-3.5 mm., lobes 2.5-3 mm.; stamens inserted in lower 

 third of throat, 5 mm. long, well-exserted ; stigma 2-lobed, 0.5 mm. long, exserted; capsule 

 4-angled, ovoid. 2.5-4 mm. long, the wall chartaceous in upper half or third, membranous below, 

 upper half breaking away from the lower and separating also at the valves ; seeds ovoid, 4-angled, 

 1 to a locule. 



Mountains of Kern County, California, between Kernville and Caliente. Type locality: divide between Kern- 

 ville and Havilah, Kern County. June. 



17. Navarretia mitracarpa Greene. Mitre-fruited Navarretia. Fig. 3990. 



Navarretia mitracarpa Greene, Pittonia 1: 135. 1887. 



Spreading or prostrate annual, 2-15 cm. high; stems filiform, brown, cinereous-pubescent, 

 frequently glandular; branching chiefly from the base, divaricate and often profuse; cotyledons 

 2-3-lobed. Leaves pinnately or bipinnately dissected with simple or occasionally 2-3-fascicled, 

 acicular, spinescent, 2-forked lobes, these lying in a plane perpendicular to that of rachis, rachis 



