FABACEAE. 191 



mucronulate standard; keel woolly-ciliate above the middle; pods 

 5-seeded. 



Common in all our valleys. March-May. 



7. L. afBnis Agardh. Stout and succulent, branching above, 

 3-6 dm. high, nearly glabrous or somewhat short pubescent; leaflets 

 7, cuneate-obovate, obtuse or emarginate, 2.5-4 cm. long; petioles 

 2 or 3 times as long; racemes with 3-7 whorls; bracts equaling the 

 calyx; upper calyx-lip bifid, lower entire or 3-toothed; petals 10-12 

 mm. long, bluish-purple; keel broad, naked. 



9. L. cytisoides Agardh. Taller than the last, 1-2 m. high; 

 stems striate; pubescence minute, appressed; stipules lanceolate- 

 subulate; leaflets 7-9, oblanceolate, 5 cm. long or more; raceme much 

 elongated, dense; flowers not verticillate; calyx as in the last; petals 

 usually rose-purple, 12-14 mm. long; keel strongly falcate, densely 

 ciliate below the middle. 



Frequent in the canyons of the San Gabriel and San Bernardino 

 Mountains. April-August. 



10. L, longifolius (Wats.) Abrams. Shrubby, 8-15 dm. high, 

 often from a trunk-like base and much branched above; petioles 

 5-10 cm. long; leaflets 7-9, oblanceolate, 5 cm. long or less, some- 

 what canescent with appressed pubescence on both sides; racemes 

 rather loosely flowered, 15-25 dm. long; flowers verticillate, 12-15 

 mm. long, deep blue or nearly white; upper calyx-lip deeply cleft, 

 the lower entire; standard with a whitish spot near the middle, 

 changing to rose-purple; keel ciliate above the middle to near the 

 tip, the claw naked; seeds oval, 4 mm. long, brownish. {L. chamis- 

 sonis longifolius Wats.) 



Frequent on bluffs along the seashore, but not on the dunes. 



11. L. hallii Abrams. Shrubby, 6-10 dm. high, canescent 

 throughout with a short silky pubescence; leaflets 7-9, spatulate, 

 12-24 mm. long; flowers in whorls 2-3 cm. distant; bracts ovate- 

 lanceolate, acuminate, caducous, 7 mm. long; upper calyx-lobe 

 2-lobed, the lower 3-toothed; keel conspicuously ciliate on the 

 central part of the inner margin. 



Nowhere abundant, but widely distributed through the chaparral 

 belt and on open hillsides in southern California. Closely related 

 to the northern L. albifrons Benth. 



12. L. grayi Wats. Stems decumbent or ascending from a 

 woody branching caudex, 3-6 dm. high, densely silky pubescent 

 throughout; leaflets 5-9, cuneate-oblong, 1.5-3.5 cm. long; flowers 

 verticillate, 12-15 mm. long, deep blue; standard with a permanent 

 yellow spot in center; keel ciliate from near the apex to the base 

 and on the claw. 



Frequent in open pine forests in the San Gabriel, San Bernardino 

 and Cuyamaca Mountains. 



13. L. chamissonis Esch. Shrubby, 4-8 dm. high, forming 

 rather dense tufts, leafy throughout; leaflets usually 9, cuneate- 

 obovate, obtuse and mucronulate or acute, 1-3 cm. long, very silky 

 on both sides; racemes rather dense, mostly on short peduncles; 

 flowers subverticillate, 10-12 mm. long; upper calyx-lip cleft, lower 



