LEGUMINOS.E. 45 



filiate : pod 1 in. lontr : seeds large.— Along the eastern base of the 

 Sierra, and northward in Oregon. 



-I— •)— +- -1— Suffrulesceal or shrubby specien. 

 ++ Small-flowered dwarfs of the higher mountains. 



37. L, Daiiaus, Gray, Proc. Am. Acad. vii. 335 (1868j. Matted branches 

 •only 2 — 3 in. long, few-leaved ; pubescence strigose-hirsnte : leaflets 4-5, 

 oblanceolate, 2—4 lines long, on long petioles : raceme dense, oblong and 

 1 in. long, or shorter and capitate : upper calyx-lip bifid ; lower tri- 

 dentate : corolla purple and white ; keel straight, ciliate, — A rare species, 

 inhabiting the summit of Mt. Dana, and apparently only once collected. 



38. L. Breweri, Gray, 1. c. 334. Larger than the last, more decidedly 

 suffrutescent, the branches prostrate or only decumbent ; pubescence 

 •dense, silvery -silky and closely appressed : leaflets 7 — 10, spatulate or 

 ■cuneate, obtuse, 3 — 4 lines long : raceme 1 in. long, dense : upper lip of 

 calyx cleft : corolla violet ; keel scarcely ciliate. — Apparently common 

 in the high Sierra from Kern, Rothrock, to Sierra Co., Lemmon, 



++ -M- Large-floirered species. 



39. L. Grayi, Wats. Proc. Am. Acad. xi. 126 (1876). Stems stoutish, 1 

 ft. long, decumbent from a woody branching caudex ; hoary -tomeutose 

 throughout: leaflets 5-9, cuneate-oblong, ^.^l^z ™- long, on petioles 

 twice as long : racemes short-peduncled ; fl. verticillate, 6 — 7 lines long, 

 deep blue : calyx-lips elongated, entire : petals subequal ; keel ciliate : 

 pod 1 in. long or more, 4 — 6 seeded. — In dry pine woods of the middle 

 Sierra. June. 



40. L. Ludoviciauus, Greene, Bull. Calif. Acad. i. 184 (1885). Decidedly 



shrubby and the stout branches erect from the base, ] — 2 ft. long ; densely 

 white-tomentose and with a coarser hirsute pubescence on the branches 

 and stalklets : leaflets 7 — 9, broadly oblanceolate, obtuse, 1 in. long : fl. 

 of middle size, subverticillate in a short dense short-peduncled raceme : 

 calyx-lips broad, entire, subequal : keel strongly falcate, surpassing the 

 other petals, somewhat woolly-ciliolate : pod 1 in. long, tomentose, 5- 

 seeded. — Mountains above San Luis Obispo, Mrs. Curran. 



41. L. oruatus, Dougl. Bot. Eeg. 1. 1216 (1828). Woody branches stout, 

 short, numerous, horizontal ; flowering branches erect, 1 — 3 ft. high, 

 leafy below : pubescence short, silky, appressed : leaflets 5 — 7, oblance- 

 olate, acute, 1 — 2 in. long : raceme long-peduncled, rather lax : calyx-lips 

 subequal, the upper toothed or bifid : petals subequal, blue, the banner 

 paler ; keel falcate, ciliate toward the apex : pod 1 14 in. long : seed 

 white, almost orbicular, compressed, 2i.^ lines long. — Species of the dry 

 northeastern plains ; common north of Mt. Shasta, and occurring in 

 Plumas Co., Mrs. Austin ; always pronouncedly shrubby, though the 

 woody branches are short and depressed. 



