339 POLEMONIACEAE. 



leaven entire, the npper rarely more than 3-parted, with the clusters virgately 

 disposed. — Monterey and southward. 



8. G. densifolia Benth. Perennial; stems numerous from a tufted woody 

 base, 8 to 14 in. high; herbage lanate-tomentose when young, glabrate in age; 

 Leaves narrowly linear and entire or with 1 or 2 pairs of short-subulate spinulose 

 lobes at the middle or toward the base; flower-clusters terminal, dense, the 

 foliaceous bracts and the calyces implexed-woolly ; four of the calyx-teeth 

 short, the fifth as long as the tube ; corolla deep blue, the tube 6 lines long, 

 2 or 3 times the length of the calyx, its lobes oblong, about 2 lines long. 



Mountains of Santa Clara Co. and southward to Southern California. June- 

 Sept. 



9. G. intertexta Steud. Stems simple or often branching from the base, 

 2 to 7 in. high, white-puberulent but not glandular; leaves bipinnatifid and the 

 segments spinescent-tipped; body of bracts and exterior of calyx-tube densely 

 white-villous or woolly-tomentose ; corolla white or pale blue, equaled by the 

 calyx-teeth. 



Valleys and low hills: North Coast Eanges (Humboldt Co., Healdsburg, 

 Napa Range); Sacramento and San Joaquin valleys. May- June. 



10. G. leucocephala Benth. Stems simple or branching from the base, 3 

 to 5 in. high, whitish-puberulent ; leaves pinnately parted, the divisions filiform 

 and entire, sparingly toothed, the rachis broad and often prolonged into an 

 elongated terminal entire division; flowers clear white, 4 lines long; calyx 

 with a tuft of hairs at each sinus, the teeth mostly entire and nearly equal. 



Low places in fields and beds of pools where water has stood in winter or 

 early spring, the plants often growing very densely: Sacramento Valley. 

 May-June. 



11. G. prostrata Gray. Plants glabrous; primary flower-cluster sessile, 

 the branches radiating from beneath it, simple or once forked, terminating in 

 the head-like clusters; leaves pinnatifid, the rachis broad and slender, the seg- 

 ments remote; heads dense, surrounded by foliaceous bracts 1 to I 1 /* in. long; 

 bractlets not exceeding the white flowers; corolla-lobes oblong; calyx with un- 

 equal teeth, the two longer tridentate; calyx-teeth in fruit contracted over the 

 2-celled capsule; seeds 9 to 11, small; embryo short-cylindrical, the cotyledons 

 about equaling the caulicle in length. 



Plains of Sacramento and San Joaquin valleys southward to Los Angeles. 



12. G. cotulaefolia Steud. Erect, 7 to 13 in. high, finely pubescent; leaves 

 bipinnatifid, the segments innocuous; bracts and calyx slightly hairy or glabrous 

 at the base; flowers creamy- white, commonly 4-merous; calyx-lobes varying 

 from nearly equal and entire to unequal, with the longer variously toothed; 

 capsule 1 -celled, 4-valved, dehiscing from the base, 2-seeded; embryo with entire 

 cotyledons. 



Valley fields: Alameda Co.; North Coast Ranges; Sacramento Valley. 

 Var. nigellaeformis depson, n. comb. Bracts multifid; flowers yellow. — 

 A nt inch and elsewhere (Navarretia nigellaeformis Greene). 



13. G. pubescens If. & A. Erect, usually branching above, 8 to 18 in. 

 high, pnlvrnlent; leaves pinnately divided with the divisions laciniately lobed; 

 terminal portion of the leaf less deeply divided or merely laciniate-toothed, 

 mi thai 'he rachis appears ;is it' Bpatulate-dilated ; •"> calyx-teeth small and entire, 



L' longer and tOOthed; COTOlla deep bine, 7 or 8 lines Long, the throat funnel- 

 Imiiii; stamens exserted; capsule 1-celled. I \al\ed as in (J. cotulaefolia; cotyle- 



