(256) 



10. L. MICRANTHUS Dougl. Villous; racemes 

 formed by regular whorls; bracts shorter than 

 the caljx ; superior calyx-lip 2-lobed; lobes 

 short 3-angular; lower lip almost entire; flow- 

 ers blue, sometimes marked with white. — 0. 

 Common. Spring. 



11. L. TRIFIDUS Watson. Villous; racemes 

 generally reduced to a single whorl; superior 

 calyx-lip 2-lobed, inferior calyx-lip 3-cleft ; 

 flowers blue marked with white. — 0. San 

 Francisco sand hills. Spring. 



12. L. TRUNCATUS Nutt. Nearly glabrous; 

 flowers of the raceme scattered, not in whorls; 

 superior calyx-lip 2-cleft; leaflets truncate at 

 the apex; legume 8-ovuled; petals dark pur- 

 ple. — 0. Contra Costa hills. Spring. 



13. L. MiCROCARPus Sims. Villous; calyx 

 densely villous, its lips dentate, the upper very 

 short; legume ovate, 2-ovuled; flowers purple, 

 rose-color or white. — 0. Common. Spring. 



14. L. DENSIFLORUS Bcnth Villous; calyx 

 almost glabrous; legume ovate, 2-ovuled; flow- 

 ers yellow or pale. — 0. Common. Spring. 



4. Trifolium Tourn, Clover. 

 Diadelphous. Petals persistent and adnate 

 to the stamineal tube. Legume utriculate, ir- 

 regularly dehiscent. Leaves palmately com- 

 pound; stipules adnate. 



