298 leguminosjE. 



lobe very short; flowers purplish, 6 lines long; calyx-teeth subulate, 

 exceeding the tube, or the upper shorter and broader; pod linear- 

 oblong, pubescent, 1 in. long, 3 to 5-seeded. 



Shady woods: Santa Clara Co., ace. to Greene, and upper Napa 

 Valley, Jepson, northward to Humboldt Co. 



2. L. littoralis (Nutt.) Endl. Stems many from creeping root- 

 stocks, stout, decumbent; herbage densely silky-villous; leaflets 1 to 3 

 pairs with a usually smaller or imperfect terminal one, cuneate-ohlong, 

 4 to 6 lines long; stipules ovate or somewhat hastate, 2 or 3 times as 

 large as the leaflets; peduncles exceeding the leaves; flowers 6 to 8 

 lines long; calyx-teeth nearly equal, as long as the tube; banner 

 purple, the keel and wings white or nearly so; pod oblong, 1 in. long, 

 villous, 3 to 5-seeded. 



Maritime: seashore of Marin Co. and northward. 



3. L. vestitus Nutt. var. puberulus. Low and herbaceous, or 

 climbing several feet high on shrubs and woody below; stems angled; 

 leaflets puberulent under a lens, dark green, lighter on the under sur- 

 face, 1 in. long, 2 to 4 lines wide, tapering to both ends from the 

 middle, usually jnore acute at apex than at base, mucronulate; raceme 

 many-flowered on a rather short peduncle; flowers 8 or 9 lines long, 

 purplish or purplish-tinged; lowest calyx-teeth lanceolate, nearly 

 equaling or exceeding tube; seed with a small aril. — (L. puberulus 

 White.) 



The most common species: Napa Valley; Oakland Hills, etc. 

 Mar. -Apr. , but often flowering at all seasons. 



4. L. Bolanderi Wats. Herbage rather light colored, perfectly 

 glabrous; stem angled; leaflets mostly exceeding 1 in., elliptic-ovate, 

 obtuse at base and apex, mucronulate; stipules large, ovate, acumi- 

 nate or ovate-lanceolate, dilated below into a rounded toothed lobe, 

 often 5 lines broad; lower calyx-teeth distinctly longer than tube; 

 corolla rose-purple, fading yellowish. 



Tj'pe specimens in G-ray Herbarium, Harvard University, collected 

 by Bolander in the Oakland Hills; Berkeley, Tidesirom; San Mateo 

 Co.; Angel Island, Vasey. Apr. This may prove to be but a sea- 

 board form of L. Watsoni. 



5. L. Watsoni AVhite. Stems stoutish, erect, IJ to 2J ft. high, 

 with zigzag branches; herbage light green, commonly glaucous, finely 

 pubescent; leaves IJ to 2 in. long, 6 to 8 lines wide, tapering from 

 the middle to each end, acute, mucronate, strongly several-nerved 

 from the base, the nerves branching little and almost parallel; stipules 

 semi-sagittate, narrow, the upper lobe lanceolate, the lower lobe little 

 dilated, commonly entire; raceme few (5 to ll)-flowered, on a pedun- 

 cle 3 to 7 in. long; flowers 10 lines long, white, veined with purple; 

 lower calyx-teeth lanceolate, subequal, "longer than tube; pod 2 in. 

 long, 4 lines broad; seed with a small aril.— (L. Californicus Wats.) 



Foothills of the inner Coast Ranges and sandy ridges of the Sacra- 

 mento Valley bordering them; Sierra Foothills; also Mendocino Co., 

 Sonoma, and Carmel Mission ace. to Watson in Gray Herbarium. 



