Family LEGUMINOSA 139 
E. Leaves even-pinnate, usually ending in a tendril. 
Style flattish, hairy along the upper side, stamen tube truncate. 
27. Lathyrus. 
Style filiform, hairy only at the tip; stamen tube oblique at the 
tip. 28. Vicia. 
1. Sophora. 534. 
1. Sephora sericea Nutt. Silky Sophora. 
Dry prairies mostly in the western part of the state. Cambridge; 
Cheyenne county; McCook; Minden; Red Cloud; Red Willow county; 
Wilsonville. 
2. Thermopsis. 534. 
1. Thermopsis rhombifolia (Nutt.) Richards. False Lupine. 
In sandy soil in western part of the state. Deuel county; Ft. Robin- 
son; Sioux county; Valentine. 
3. Baptisia. 535. 
Flowers yellow. 1. B. tinctoria. 
Flowers white or cream-colored. 
Glabrous; bracts lanceolate, falling before the flowers open. 
2. B. leucantha. 
Villous; bracts ovate, persistent. 3. B. bracteata. 
1. Baptisia tinctoria (L.) R. Br. 
Reported from Omaha. 
2. Baptisia leucantha T. & G. White Wild Indigo. 
Rare in the southeastern part of the state. Crete; Leshara; Lin- 
coln; Nebraska City; Saline county. 
3. Baptisia bracteata Ell. Wild Indigo. 
Common on prairies in the southeastern part of the state. Beatrice; 
Crete; Fairbury; Lincoln; Peru; Wahoo. 
4. Lupinus. 536. 
Perennials, 3-10 dm. high; pubescence silky. 
Calyx not spurred at the base. 
Leaves glabrous above at least in age; corolla pale blue with a 
dark spot on the banner. 1. L. plattensis. 
Leaves permanently pubescent above; corolla not spotted. 
3. L. decumbens. 
Calyx spurred at base. 2. L. argophyllus. 
Annuals, 1-3 dm. high; pod 2-seeded. 4. L. pusillus. 
1. Lupinus plattensis S. Wats. Nebraska Lupine. 
Prairies in the northwestern part of the state. Alliance; Belmont; 
Box Butte county; Pine Ridge; Sioux county. 
2. Lupinus argophyllus (A. Gray) Cockerell. 
In the extreme western part of the state. War Bonnet canyon. 
3. Lupinus decumbens Torr. 
In prairies in the northwestern corner of the state. Banner county; 
Hat Creek canyon; Scotts Bluff county. 
4. Lupinus pusillus Pursh. 
Prairies in the western part of the state. Crawford; Deuel county; 
Lewellen; Lodge Pole. 
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