Description of Native Vines 
(keel blue-edged), very small, 6-12-clustered ; May. New York, 
south and west. 
AMERICAN VETCH (V. americana): affets 10-14, elliptical, 
apex blunt, about 1 long; fewer purplish, 24’ long, 4—8-clus- 
tered ; May, June. New York, New Jersey, and west. 
17. Vetchlings. (Lathyrus.) (Pl. III.) 
Leaf and flower essentially as in the vetch (16), where the dif- 
ferences of the two genera are noted. The six species of vetch- 
lings are distinguished as follows : 
Swamp VETCHLING (L. palustris): Zaffets 4-8, narrow, apex 
pointed, 1’-2' long, stipules small, lance-shaped, both ends 
pointed ; flower purplish, %’ long or more, 2-6-clustered ; June, 
July ; square stem, usually wimged on edges. New England to 
New Jersey, and west. 
VeEINY VETCHLING (L. venosus): “fafiets 8-14, long-oval, 
114'-2' long; stipules very small, slender, apex pointed, base 
half-arrow-shaped ; flower purple, many-clustered; June, July; 
stem square. Pennsylvania, west and south. 
MYRTLE-LEAVED VETCHLING (L. myrtifolius): /aflets 4-8, 
ovate to oblong, about 1’ long; upper stipules rather large; 
flower purplish, 3-5-clustered ; July; square stalk more or less 
winged. West New England to Virginia. 
SPREADING VETCHLING (L. pratensis) : affets two, narrow, apex 
sharp, about 1’ long ; stipules half as long or more, ends long- 
pointed ; flower yellow, few-clustered. Massachusetts and New 
York; introduced. 
YELLOW-WHITE VETCHLING (L. ochroleucus): 4affets 6-10, 
oval to ovate, 1-114’ long ; stipules large, half cordate; flower 
yellowish-white, 7—-10-clustered ; June, July; New Jersey, west 
and north; rare. 
BEACH-PEA (L. maritimus) . 4Zaffets 6-12, oval to ovate, thick, 
1'-2' long, lowest the iargest; stipules a/most as large as leaflets, 
rather ovate, base cordate, often serrate ; flower purple or blue, 
large, 6—10-clustered: June-August; stem square. New Eng- 
land to New Jersey, on coast. 
The Sweet Pea is a vetchling. 
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