PAPILIONACEAE 119 



Var. longlfoUa (DC.) T. & G. Leaflets linear-oblong, 1J'-3J' long.— 

 Eooky woods near Dodson. Not common. 



6. L. striata (Thnnb.) H. & A. Diffusely branching, 3'-15' long, 

 subpubescent : leaves nearly sessile, tbe leaflets oblong : stipules large : 

 flowers 1-3 together, nearly sessile. — Found as a waif near Dodson and 

 Sheffield. August-October. 



16. VICIA L. Vetch. 

 Vines with pinnate tendril-bearing leaves and purplish flowers. Sta- 

 mens diadelphous. Styles with a tuft of hairs at the summit. Pods flat, 

 dehiscent, 2-valved, several-seeded. 



Flowers in racemes. 



Racemes 3-9-flQwered. 1. V. Americana. 



Racemes 1-2-flowered. 2. V. mierantha. 



Flowers nearly sessile. ^ 3. V. sativa. 



1. V. Americana Muhl. Wild Vetch. Glabrous perennial, l°-3° 

 long : leaflets 10-16, elliptic-ovate : flowers 8"-9" long. — Locally abun- 

 dant on clayey banks near Pixley's, Adams and Levasy. May-August. 



2. V. mierantha Nutt. Glabrous perennial, l°-2° long : leaflets 4-10, 

 ' linear-oblong: flowers 2'''-3''' long. — Colleotedasa waif at Courtney. May. 



3. V. sativa L. Common Vetch. Annual, l''-2° high, nearly gla- 

 brous : leaflets 8-14, obovate to linear-oblong, retuse and mnoronate at 

 apex, 2"-i." wide : flowers Q"-W long. — Locally adventized along rail- 

 roads at Sheffield. May-July. 



17. FALCATA Gmel. HoG Peanut. 

 Vines with 3-foliolate, stipellate leaves and purplish flowers in axillary 

 racemes and also apetalous flowers from basal branches. Upper pods 

 linear-oblong, several-seeded. Lower pods obovate, 1-seeded. 



Plant glabrate or sparingly pubescent. 1. F. comosa. 



Plant villous-pubescent. 2. F. Piicheri. 



1. F. comosa (L.) Kuntze. l°-3° long : leaflets rhombic-ovate, 1^-3^ 

 long, thin : bracts small, nearly glabrous : ovary glabrous with a hairy 

 margin. — Rather common in dry woods. August-September. 



2. F. Pitoheri (T. & G.) Kuntze. 5°-20° long : leaflets as in the last 

 bnt thickish : bracts large, pubescent : ovary hairy. — Common in moist 

 woods, especially along the Missouri River. August-September. 



18. APIOS Moench. 



Vines with pinnate, stipellate leaves and chocolate-colored flowers in 

 dense racemes. Calyx somewhat 2-lipped. Keel incurved. Pods linear, 

 many-seeded, rarely formed. 



1. A. tuberosa Moench. Geound Nut. 5°-]0° long from tubers : 

 leaflets 5-7, ovate-lanceolate : flowers numerous, 4" long. — In low 

 grounds througout, but not common. July-August. 



