PULSE FAlVnLY. 137 



L. latifblius, Linn, Everlasting Pea, Perennial Pea. Smooth, 

 climbing high ; stems broadly winged ; leaflets oval, with parallel veins 

 very conspicuous beneath ; flowers numerous in a long-peduncled raceme, 

 pink-purple ; also a white variety ; scentless. 2Z 



* * Stems icingless or merely margined ; leaflets 2-8 pairs ; native. % 



-I- Stipules large and broad. 



L. marltimus, BigeL Beach Pea. 1° high, leafy, smooth ; stipules 

 broadly ovate, hastate ; leaflets oval, crowded ; peduncle bearing 6-10 

 rather large purple flowers. Sea-shore N. J. N., and on the Great Lakes. 



L. ochroleilcus, Hook. Stems slender, l°-3° high ; leaflets glaucous, 



thin, ovate, or oval, twice larger than the semi-cordate stipules ; peduncles 



with 7-10 rather small yellowish-white flowers. Hillsides and banks N. 



and W. p,- 7 . -.^ . . 



t- -t- Stipules narrow, semi-sagittate, acuminate. 



L. ven6sus, Muhl. Climbing ; leaflets 8-12, scattered, ovate, or ob- 

 long, often downy beneath; peduncles bearing many purple flowers. 

 Shady banks W. and S. 



L. paliSstris, Linn. Slender, l°-2° high ; stems margined or slightly 

 winged ; leaflets 4-8, linear to oblong ; peduncles with 2-6 rather small 

 purple flowers. Wet grounds N. and \V. 



Var. myrtifdlius. Gray. Climbing 2°-4° high ; leaflets oblong or 

 oval ; upper stipules larger and more leaf-like ; flowers paler. Same 

 range, and S. to N. C. 



49. viciA, VETCH, TARE. (The old Latin name of the genus.) 



* Flowers several or many, on a slender peduncle, in spring or summer ; 



pod several- seeded ; wild species in low ground, l°-4° high. % 



-r- Peduncle •i-S-flowered ; plant smooth. 



V. Americana, Muhl. Leaflets 10-14, oblong, very blunt, veiny : 

 flowers purplish, over K' long. Common N. and W. 



■«- 1- Peduncle bearing very many small, soon reflexed flowers. 



V. Caroliiiiana, Walt. Smoothish ; leaflets 8-24, oblong, blunt ; 

 flowers small, white, or purplish-tipped, rather loose in the slender 

 raceme. Can. to Ga. and W. 



V. Cr^cca, Linn. Rather downy ; leaflets 20-24, lance-oblong, mu- 

 cronate-pointed ; spike dense; flowers blue (nearly |' long), turning 

 purple. Only N. and W. 



* » Flowers 1-5 on a slender peduncle, in summer or spring, very small ; 

 leaflets oblong -linear, 4-8 pairs; pod oblong, only 2-4-seeded ; slender 

 and delicate European annuals in fields and icaste places, N. E. 

 coast. 



V. tetrasperma, Linn. Leaflets blunt ; corolla whitish ; pod 4-seeded, 

 smooth. 



y. hirsuta, Koch. Leaflets truncate ; corolla bluish ; pod 2-seeded, 

 hairy. 



* * * Flowers 1-2, sessile, or on peduncles shorter than leaves, pretty 



large; pod several-seeded ; stem simple, hnc, not climbing. ® 



V. sativa, Linn. Common Vetch or Tare. Somewhat hairy ; leaflets 

 10-14, oblong or obovate to linear, apex notched and inucronate ; flowers 

 nio.stly in pairs and sessile, violet-purple ; seeds tumid. Eu. Nat. N. 

 Cult, for stock. 



V. micrdntha, Nutt. Smooth; leaflets linear, obtuse, 4-6; flowers 

 minute, pale blue ; seeds black. N. Ala., W. 



