356 PAPILIONACEAE 
1. V. Cracca, L. (Fig. 1, pl. 80.) Turrep Vetcu. Trailing vine 
2 to 4 ft. long, with leaves of 9 to 12 pairs of leaflets and with flowers 
overlapping in a rather dense one-sided cluster (20 to 40 flowers). Leaf- 
lets linear, pointed at each end or somewhat rounded with a bristle- 
point at apex. Flower clusters on long stalks from the axils of the 
leaves. Stem square, somewhat downy as are also the leaflets. A slender 
climber or trailer with blue or purple flowers. Dry soil, New Jersey and 
northward, June-Aug. 
2. V. americana, Muhl. (Fig. 1, pl. 81.) American Vetcn. Trail- 
ing vine, 1 to 3 ft. long, nearly without hairs. Stipules broad with 
several conspicuous teeth. Leaflets, 4 to 7 pairs, elliptic to egg-shaped 
on the one hand or lance-shaped on the other, blunt at each end. Flowers 
4 to 8, bluish-purple, the flower-stem shorter than the leaf-stalk. Pod 
about an inch long, 4- to 7-seeded. Moist grounds, New York and south- 
ward. May-August. 
3. V. caroliniana, Walt. (Fig. 2, pl. 80.) Carorina VeTcH. Slen- 
der vine, 4 to 6 ft. long, smooth. Leaflets 4 to 6 pairs, oblong or linear. 
Flowers 8 to 20 in a cluster, the stem of which is generally somewhat 
shorter than the leaf-stalks. Flowers nearly white or pale blue, the ban- 
ner tipped with purple. Moist places, our area. May-July. 
4. V. tetrasperma, (L.) Moench. (Fig. 4, pl. 80.) SLENDER 
VetcH. Stem slender, clinging, smooth or nearly so. Leaflets 3 to 6 
pairs, linear, obtuse or rather sharp at the ends. Stipules simple, nar- 
row, spread at base. Flower stem slender, shorter or about equalling 
the leaf-stalk, carrying from 1 to 6 pale blue or purple small flowers. 
Calyx tube of 5 unequal teeth. Pod linear-oblong with 2 or 3 globular 
seeds. Fields and waste places. May-Sept. 
5. V. hirsuta, (L.) Koch. Harry VeETcH. Vine, somewhat hairy, 
stem branching. Leaflets 8 to 10 pairs; individual leaflets having the 
appearance of having been cut off at the end, a small bristle appearing 
as the termination of the mid-vein. Flowers small, purplish. Pod some- 
what velvety, oblong, dark, crimpled, 2-seeded, about 4 in. long. Fields 
and waste places. May-Sept. 
6. V. sepium, L. (Fig. 3, pl. 81.) Busma Vetcu. Wuitp Tare. 
Leaflets 10 to 18, broad egg-shaped very blunt or depresed at apex. 
Flowers few, without flower-stalks. Waste places, only in northern part 
of our area. May-July. 
7. V. sativa, L. (Fig. 3, pl. 80.) Common Vetcn. Stem flexible, 
clinging by the leaf tendrils, more or less hairy, angular. Leaflets 4 to 
7 pairs, inversely oval, the base narrowed, the apex rounded with a rather 
deep notch at center and with a bristly point to the central vein. Flowers 
large, bluish-purple, without leaf-stalks, or with very brief ones, gen- 
erally 2 flowers at the leaf-axils. Pods solitary or in pairs, broad, strongly 
veined, dark brown when ripe. Fields. Introduced from Europe where 
it is cultivated for fodder. May-August. 
8. V. angustifolia, Roth. (Fig. 2, pl. 81.) Smarter Common 
Vetcu. Stems numerous, branching, partly erect, 1 to 2 ft. long. Stipules 
simple or toothed, Leaflets 3 to 8 pairs, narrowly linear, 4 to 14 in. long. 
Purple flowers without flower-stalks or with very short ones in upper 
