58 COMMON CANADIAN WILD PLANTS. 



3. A. fPUtieO'sa, L. A tall shrub. Leaflets larger and 

 not so crowded as in the other species. Pods 2-seeded. 

 River-banks, N. W. 



13. PETALOSTE'MON, Michx. PRAIRIE CLOVER. 



1. P. viola' eeus, Michx. Leaflets 5, very narrow. Calyx 

 silky-hoary. Corolla rose-purple. Dry prairies, N. W. 



2. P. ean'didus, Michx. Leaflets 7-9, lanceolate or 

 linear-oblong. Calyx smooth or nearly so. Corolla white. 

 Dry prairies, N. W. 



14. VICIA, Tourn. VETCH. TARE. 



1. V. Sati'va, L. (COMMON VETCH or TAKE.) Stem simple, 

 somewhat pubescent. Leaflets 10-14, varying from obovate- 

 oblong to linear. Flowers purple, large, one or two together, 

 sessile in the axils, or nearly so. Cultivated fields and waste 

 grounds. 



2. V. tetrasper'ma, L. Peduncles long and slender, 

 1-2- flowered. Flowers small. Calyx-teeth unequal. Corolla 

 whitish. Pod 4-seeded, smooth. Leaflets about 4 pairs. 

 Atl. Prov. ; also at Ottawa and opposite Montreal. 



3. V. Craeea, L. (TUFTED V.) Downy-pubescent. Leaf- 

 lets 20-24, oblong-lanceolate, strongly mucronate. Peduncles 

 long, bearing a dense one-sided raceme of blue flowers, bent 

 downward in the spike, and turning purple before withering. 

 Borders of thickets, and pastures. Chiefly eastward. 



4. V. Carolinia'na, Walt. Smooth. Leaflets 8-12, ob- 

 long. Peduncles bearing a rather loose raceme of whitish 

 flowers, the keel tipped with blue. Low grounds and river- 

 banks. 



5. V. Ameriea'na, Muhl. Smooth. Leaflets 10-14, oval 

 or ovate-oblong, very veiny. Peduncles 4-8-flowered, flowers 

 purple. Moist places. 



Var. linearis, Watson, a low form, with linear leaflets, is 

 common in the N. W. prairie region. 



6. V. hirsu'ta, Koch. Stem weak. Leaflets 12-16, linear. 

 i-ed uncles 3-6-flowered. Pods hairy, 2-seeded. Chiefly east- 

 ward. 



