526 PROCEEDINGS OF THE AMERICAN ACADEMY 



11. L. littoralis, Dougl. Stems slender, decumbent or ascend- 

 ing, 1-2° long, often not succulent, leafy ; pubescence silky, rather 

 thin, short and appressed, or villous and spreading, especially about the 

 linear stipules; leaflets 5-8, oblanceolate or cuneate-oblong, |— ■ 1' 

 long, acute, the petioles sometimes twice longer ; raceme short ; bracts 

 setaceous, exceeding the calyx; flowers blue or violet, with more or less 

 yellow, verticillate or scattered, on pedicels 2 - 3" long ; calyx large, 

 with small bractlets, upper lip 2-toothed ; petals equal, 6" long, keel 

 ciliate; ovules and seeds 10-12; pod 14/ long. — Near the coast, 

 from Washington Territory to San Francisco. Douglas was probably 

 mistaken in saying that the root is eaten by the Indians. 



b. Rather sparingly leafy, the petioles (the upper excepted) at least 

 twice longer than the leaflets ; racemes loose ; bracts mostly de- 

 ciduous ; flowers large, not yellow ; ovules 6-7, rarely fewer ; 

 leaflets smooth above. 



12. L. perennis, L. Stems 1-2° high, from subten-anean root- 

 stocks ; pubescence minute, appressed, with some longer hairs ; stipules 

 setaceous, deciduous; leaflets 7-11, obovate to oblong, 1-2' long, 

 obtuse and mucronulate, or obtusish ; raceme ^-1° long ; bracts subu- 

 late, usually shorter than the calyx ; flowers purplish or rarely white, 

 scattered or subverticillate ; pedicels slender, 2-4" long; bractlets 

 small ; upper calyx-lip shortly toothed, the lower subentire ; petals 

 equal or the banner shorter, % - 1" long, the keel ciliate ; pod 1^' long, 

 4" wide, 5 - 6-seeded. — Sandy soils ; Northern States and " Canada " 

 to Wisconsin, and southward to the Gulf ; Valley of the Platte (En- 

 gelmann). 



Var. occidentalis. Stem and petioles more villous. — Michigan 

 and Wisconsin. 



13. L. Nottallii. {L. gracilis, Nutt., not Agh.) Low and more 

 slender throughout than the last, and usually villous ; stipules per- 

 sistent, elongated, setaceous ; upper lip of the calyx more deeply 

 toothed ; flowers smaller, 4 - 5" long ; ovules 4 - 6 ; pod 1' long, 

 3" wide. — Georgia, Florida, and westward to Mississippi. 



14. L. arcticus. Villous or subglabrous ; stems rather stout, 1° 

 high or less, erect or ascending, simple ; stipules conspicuous, acumi- 

 nate ; leaflets 6-8, cuneate-oblong or oblanceolate., 1 — 1^' long, acute 

 or obtuse, the petioles much elongated ; raceme. 2-4' long ; bracts 

 linear, about equalling the calyx, deciduous or subpersistent ; flowers 



