506 FABACE.\E 



/o^T^J^'^^^'o ^^^'■'^^'y sulcate. A. eriocarpus S. Wats. Mountains: Nev. 

 (: Utah), ouhinont. Mv. 



20. X. utahensis (T. & G.) Rydb. Stems usually less than 1 dm. long, 

 densely floccose; leaflets 9-17, obovate or orbicular, rounded at the apex, 5-10 

 mm. long, densely white-floccose ; raceme 3-10-flowered, dense ; calyx densely 

 villous; tube about 12 mm. long; teeth subulate, about 4 mm. long; corolla 25- 

 ^8 mm. long, violet or purple; pod ovoid, about 2 cm. long, somewhat curved, 

 only shghtly sulcate on the sutures. A. utahensis T. & G. A. nudisiliquus A. 

 Nels. Pink L.^dy-fingers. Hills and benclilands: Mont.— Wvo.— Utah— 

 Nev. Submont. Aj>-My. 



uJ\' J'lf^Ki^" (Oougl.) Rydb. Stems usually less than 5 cm. long, viUous; 

 eattets 9-13, oblanceolate or oblong, acute, 8-15 mm. long, villous; calyx densely 

 villous; tube about 1 cm. long; teeth subulate, about 3 mm. long; corolla 2-2.5 

 cm. long, ochroleucous; keel tipped with purple; pod ovoid, densely woolly, 

 about 2 cm long, slightly curved, scarcely sulcate. A. Purshii Dougl. A. 

 Booneamis A. Nels in part. Dry plains and hills : Mont.— Colo.— Calif.— B.C. 

 *bon. — Submont. My-Je. 



}.J^:. ?; f-^^^t?^^^ (Dougl.) Rydb. stems usually less than 1 dm. long; 

 leaflets 11-17, oblong, canescent-hirsute, 4-10 mm. long, acute; peduncles very 

 short, racemes 3~8-flowered; calyx-tube 8-9 mm. long; teeth subulate, 2 mm. 

 long corolla purple, about 2 cm. long; pod viUous, ovoid, about 2.5 cm. long. 



Monr' w' °?^; u^- ^«««^««"1 A. Nels., in part. Hills and flats: Wash.- 

 Alont.— Wyo.— Ltah. Plain— Submont. My-Je. 



inflexus (Dougl.) Rydb. Stems 2-4 

 15-25 



10-1 

 20-25 



T^^^ ^Ki„„ -J 1 1 ; .:p' ^"'"-'i^'i iigut purpie, ^\j-zo mm. long, 



Pm Inni ^4 °'^' ^^'''J'^^y J^'^^^^'^ , Villous, deeply sulcate on both sutures, 2 5 

 —Phin jfj-;^'/^^-^"^" ^o^gl- Plains and river-bars: Wash.— Mont.— Ore. Son. 



]^Jfk ?7 ^t"^'/"^- ^u/^ ^l^^.-^ ^*™^ 0-^-2 dm. long, hirsute-viUous ; leaf- 



racpmpihnrf p fn f?' ''^^T^' t^^ °'^- ^«"^' sparingly hirsute on both sides; 

 raceme short, 6-10-flowered; calyx sparingly hirsute; tube 5-6 mm. long; teeth 

 4-6 mm. long; corolla ochroleucous, 15-18 mm. long; keel tipped with purple; 

 d?lfi; T; r!' 7 mm broad, long-beaked, arcuate, hirsute; lower suture 



montr^Monl '"^f,^/^^^ ^^« "PP«^- Mountains: Wyo.-Colo.-n Tex. Sub- 



31. MICEOPHAcOS Rydb. 



T.-,,o^"5'''Tr*^"f perennials, mth very slender stems. Leaves pinnate, with 7-21 

 linear to oblong leaflets; stipules very- broad, triangular, free from the petioles and 

 roK I ."^ "'°'''' w less united with each other. Racemes many-flowered. 



rinUn f TA''"^^*^',''^''''^? °^'"- ^^°S, vvith very short and broad teeth. 



UiroUa purple, 5-6 mm long, all petals strongly curved. Pod &-8 mm. long, 



SfrP nrn'n?r''rT^^i' ^'^olly 1-celled. 6-7-ovuled, boat-shaped, i. e., upper 

 war"ds, raro'lthttTufc"^^'' '^"^^ ^^*"^^ °^^^»^ ^^^^^^^ - --^^'"P- 



^*^o&"*' ^''^''^^ ""* ^^"^ '*''"'"■ ""*^^' f^ansversely veined; leaflets narrowly linear. 

 ^''cZ±Af^^eT^^?SZ^-^^- cross-wHnk,e.; leaflets Unear^ob|nr£S: 



leafl^e'ts^l ?t'TS°'^' ^^"^"l"^ ?^'*^.^- ^*^™ minutely strigose, 3-6 dm.Tigh,' 

 5 mm tni^ ITT^ very slender, lax; calyx-tube 1 mm. long; teeth triangular 

 mmT>nl ^^7 ^ purphsh, 5^ mm. long; pod pendent, st;aight, ovoid, 5-7 

 Sn. Je-Jl ^ ^ ' "• ^^'^'"^ ^''^ hills: N.D-tex.-Wyo. 



8triL?^USl*;?7^^"' ^^- R'^^} ^^'^^- ^^^"^ branched, 3^ dm. high, finely 

 Knf ft; WrSJc;:,! ' °]^°,^*^1>' ^Y'S^^> ^-aceme lax, short;'caIyx-tube 1^2 mm", 

 long, teeth triangular, 0.5 mm. long: coro a ahmit. 7 rr,^ i-;r,„ ,.,..„i.-.i,. ^^^ 



