LEGUMINOS^ 77 



14. VICIA. Vetch, Tahe. 



Calyx 5-toothed, somewhat unequally; wings of corolla adhering 

 to the keel at the middle; stamens mostly diadelphous, 9 and 1, 

 the stamen tube oblique; style filiform with a tuft of hairs at the 

 summit ; pod dehiscent, 2-valved, several-seeded. Herbs climbing 

 by tendrils which replace the terminal leaflets ; flowers axillary. 



1. V. americand, Muhl. 



Smooth, 2-3 ft. long, trailing or climbing; leaves nearly sessile, of 10-14 

 ovate leaflets; flowers purple ; peduncles 4-8-flowered. Common in wooded I 

 districts across the prairies. (Var. linearis, Wats.), shorter, with linear 

 leaflets, is common in open ground, trailing rather than climbing, Man.- 

 Alta. 



15. LATHYRUS. Eveelasting Pea. 



Similar to Vicia, except that the style is somewhat paddle-shaped 

 and hairy on the inner surface, and the filament tube is not oblique. 

 Smooth perennials. 



1. L. maritimus, (L.) Bigel. Beach Pea. 



Stout, trailing, with 6-12 thickish ovate-oblong leaflets, and large leaf-like 

 stipules; flowers large, purple, peduncles 6-10-flowered. Trailing on the 

 sand on the shores of Lakes Manitoba and Winnipeg. 



2. L. palustris, L. 



Slender, glabrous, 1-3 ft. high, the stem more or less winged down the 

 two sides; stipules somewhat sagittate and linear; flowers purple, peduncles 

 3-5-flowered. Climbing on grass and bushes in moist thickets across the 

 prairie region. Some varieties are found more slender than the type. 

 Man.-Alta. 



3. L. vendsus, Muhl. 



Stout, somewhat pubescent, 2-3 ft. long; stipules small; leaflets 8-12, 

 oblong-ovate, obtuse; peduncles shorter than the leaves; flowers purple, the 

 calyx persistent; pod linear, sessile, glabrous. In mixed woodland and 

 prairie regions, Man.-Alta. 



4. L. ochroleicus. Hook. 



Slender, 1-2 J ft. long; stipules half cordate, large; leaflets 6-10, thin; 

 peduncles 7-10-flowered, shorter than the leaves; flowers yellowish white. 

 Sparsely wooded districts, Man.-Alta. 



