OF ARTS AND SCIENCES: MAT 13, 1873. 533 



flesh-color, 2 - 5" long, equal or the banner longer ; banner very broad, 

 pubescent on the back ; keel ciliate ; ovules 4 - 3 ; pod 1' long. — 

 Columbia Valley (Nuttall), and southward east of the Sierra to 

 Southern Nevada. 



Var. Utahensis. Stouter ; the leaflets oblong-lanceolate, 1 - If 

 long, 3 - 6" wide. — Mountains of Northern Utah. 



33. L. meionanthus, Gray. Ascending or erect, 1° high ; pubes- 

 cence dense, silky-tomentose ; stipules minute ; leaflets 5-7, oblong to 

 oblanceolate, £ - 1' long, acutish, silky both sides, about equalling the 

 petioles ; racemes short and small, scarcely peduncled ; bracts ovate ; 

 flowers very small, subverticillate, on pedicels ^ - 1" long ; calyx cam- 

 panulate, not spurred, densely tomentose, very obscurely bracteolate, 

 lips nearly equal, the upper broad and toothed with a wide sinus, the 

 lower subentire ; petals blue, equal, 2" long, scarcely exceeding the 

 calyx, banner very broad, naked, keel slightly ciliate ; ovules 3 - 4 ; pod 

 \' long, 3" broad. — Collected only by Anderson, Carson City, Nevada. 



t t t Dwarf, short-stemmed and mostly ca^spitose ; racemes mostly 

 short and dense ; bracts subpersistent ; flowers subverticillate, 

 short-pedicelled ; calyx with the upper lip 2-cleft (or 2-toothed in 

 L. aridus), the lower 3-toothed ; keel ciliate ; ovules 3 - 6 ; pod 

 hairy, 3 - 4-seeded (1 -2-seeded in L. Kingii). 



34. L. c^espitosus, Nutt. Stems very short and crespitose ; pubes- 

 cence dense, villous, appressed ; leaflets 5-7. oblanceolate, \ — V long, 

 acute, the petioles thrice longer ; racemes sessile, shorter than the 

 leaves ; bracts setaceous, exceeding the calyx ; petals pale-blue, equal, 

 3 - 4" long, the banner narrow, 2" broad ; pod V long. — Rocky Moun- 

 tains of Colorado and " Oregon " (Nuttall). 



35. L. aridus, Dougl. Stems caespitose, 2-3' long, with rather 

 long internodes ; pubescence villous, loose, and appressed ; leaflets 5-7, 

 oblanceolate, acute, f - V long, the petioles 3-4 times longer ; raceme 

 dense, 2-3' long, the peduncle shorter than the leaves ; bracts nearly 

 equalling the calyx ; upper calyx-lip shortly toothed, the lower suben- 

 tire ; petals purple, 5" long, nearly twice longer than the calyx, the 

 elliptical banner usually shorter ; pod 5" long, very hairy. — Washing- 

 ton Territory and Oregon. 



Var. Lobbii. (L. Lohbii, Gray MS. in herb.) Differing chiefly in 

 the more strongly toothed lips of the calyx ; peduncles exceeding the 

 leaves ; leaflets obovate or oblanceolate, y long, the petioles 2-3 



