316 



LEGUMINOSjE. 



5. L. littoralis Dougl. Chinook Liquorice. Steins slender, 

 decumbent or ascending, 1 or 2 ft. long, from yellow and somewhat 

 fleshy roots; leaflets 5 to 7, oblanceolate or cuneate-oblong, acute, 

 J to 1 in. long, at least half as long as the petioles, silky on both 

 sides, the hairs short and appressed; flowers remotely whorled or 

 more or less scattered in a short raceme; calyx-lips of nearly equal 

 length, entire; banner red, shorter than the blue wings; keel ciliate; 

 pod linear, hirsute; seeds linear, brown, with black spots. 



Seashore from Point Keyes northward. 



6. L. sericatus Kell. Stoutish, decumbent, 5 to 10 in. high, 

 minutely but densely silkj T -canescent; leaflets 6 to 7, spatulate- 

 obovate, obtuse or retuse, 1 to 1} in. long, on petioles \\ to 4 times 

 as long; raceme 4 or 5 in. long, rather long-peduncled; flowers deep 

 purple; calyx-lips large, the upper cleft, the lower obscurely 

 3-toothed; keel slender-pointed, lightly ciliolate; seeds light brown 

 and somewhat mottled. 



Howell Mountain; Mt. St. Helena; Cobb Mountain. Apparently 

 confined to the Mayacamas Range. May. 



7. L. latifolius Agardh. Almost or quite glabrous, except a 

 minute appressed pubescence on the stems and under surface of the 

 leaves; stems dark green and shining, erect, with slender branches, 

 2 to 4 ft. high, equably leafy, the basal leaves not long-stalked; leaf- 

 lets 5 to 7, broadly oblanceolate, thin, mucronulate, 1 to 3 in. long; 

 racemes 6 to 17 in. long, slender-peduncled, loose, the verticils often 

 distinct; pedicels slender: calyx-teeth elongated, the upper notched 

 slightly at the narrow apex; corolla blue, changing to dull brown; 

 keel ciliolate below the middle. 



Common plant in openly wooded canons of the Coast Ranges: 

 Ukiah; Vaca Mountains; Napa Mountains; Oakland Hills and south- 

 ward. Apr.-June. 



8. L. formosus Greene. Stems decumbent or ascending, 2 to 3 

 ft. long, the whole plant silky-pubescent; leaflets mostly 7 to 9, 

 narrowly or broadly oblanceolate, abruptly acuminate, 1 to 1J in. 

 long, equaling the petiole; raceme with more or less distinct whorls 

 but often dense, the peduncle short or scarcely any; flowers 6 to 7 

 lines long, rich violet; keel glabrous. 



Rich high places in the fields and sandy lands of the Coast Range 

 Valleys and the plains of the Sacramento. Late summer and autumn. 



9. L. polyphyllus Lindl. Stem stout, erect, nearly simple, 3 to 5 

 ft. high, sparingly villous, equably leafy up to the inflorescence; 

 petioles G to 12 in. long except the uppermost; leaflets 9 to 16, oblan- 

 ceolate or lanceolate, sparingly hirsute beneath, glabrous above, 3 to 

 6 in. long; stipules adnate for half their length; raceme short- 

 peduncled, dense, 1 to 2 ft. long; flowers not in whorls or only 

 subwhorled, on long pedicels; calyx-lips of nearly equal length, 

 entire; bractlets often wanting; corolla 6 or 7 lines long, with blue 

 wings and red-purple banner; keel falcate, acuminate, glabrous; pod 

 1 to 1£ in. long, \ in. broad, 7 to 9-seeded. 



