190 FABACEAE. 



light-colored and mottled. 

 Shrub usually about 1 m. high, 



with a well developed trunk. 11. L. hnllii. 

 Flowering branches arising from 



a woody caudex. 12. L. grayi. 



Keel naked; maritime species. 13. L. chamissonis. 



1. L. truncatus Nutt. Usually rather stout, sparingly branched, 

 3-6 dm. high, finely and sparsely pubescent, becoming nearly 

 glabrous; leaflets 5-7, linear-cuneiform, apex truncate, entire or 

 3-toothed, 2-4 cm. long, scarcely equaling the petiole; upper calyx 

 lip 2-cleft; petals deep purple, 8-10 mm. long; the standard shorter; 

 keel 2-3 mm. long. 



Common in the open foothills and valleys. March-May. 



2. L. sparsiflorus Benth. Slender, sparingly branched, 3-6 dm. 

 high, villous with spreading hairs; leaflets 5-9, linear, obtuse at 

 apex, 1-2.5 cm. long; petioles 2-4 times longer; upper calyx-ljp 2- 

 parted; petals violet, 10 mm. long; standard shorter; keel ciliate 

 on the claws and on the lower \ of the blade; pod 1-2.5 cm. long. 



Frequent in the foothills. March-May. 



3. L. concinnus Agardh. Low, 10-15 cm. high, spreading, 

 densely villous or hirsute; leaflets 5-8, oblanceolate, 10-20 mm. 

 long, obtuse; petioles slender, 2-4 times longer; racemes short, 

 dense, subsessile; bracts linear-setaceous persistent; upper calyx- 

 lip 2-parted, lower deeply trifid; petals 8 mm. long, violet; standard 

 shorter with a yellow spot in the center; keel scarcely falcate, naked, 

 slightly exceeding the wings; pod 4-seeded. 



Occasional in dry washes in the interior valleys. 



4. L. agardhianus Heller. Low, slender, 6-15 cm. high, spread- 

 ing, rather densely pilose; leaflets 5-7, cuneate-obovate, 6-12 mm. 

 long; racemes short, lax; bracts short; upper calyx-lip bifid, lower 

 3-toothed; petals 6 mm. long, blue and white; standard shorter; 

 keel slightly exceeding the wings, nearly straight, naked; pod 1 cm. 

 long. {L. gracilis Agardh.) 



San Fernando Mountains, near Chatsworth Park. April. 



5. L. hirsutissimus Benth. Rather stout, 2-3 dm. high, very 

 hispid with viscid stinging hairs; leaflets 5-7, broadly cuneate- 

 obovate, retuse, obtuse, or rarely acute, mucronulate, 1.5-3 cm. 

 long; petioles twice as long; racemes loose; upper calyx-lip deeply 

 cleft; petals reddish purple, nearly equal, 12 mm. long; keel ciliate 

 on the claw only; pod hirsute, 2.5 cm. long. 



Frequent in the foothills and interior valleys, mostly in sandy 

 soil. March-May. 



6. L. micranthus Dougl. Rather slender and weak, branched 

 from the base, 12-20 cm. high, pilose-pubescent, not at all suc- 

 culent; leaflets 5-7, narrowly linear to linear-spatulate, 1-3 cm. 

 long; petioles twice as long; racemes pedunculate; verticils 3-5, 

 often indistinct; pedicels 3 mm. long or in fruit 6 mm. long; upper 

 calyx-lip 2-clcft, the lobes divergent, lower longer, entire; petals 

 4 mm. long, blue except the white and dotted middle of the erect 



