PULSE FAMILY. 137 



L. lat/fb/ius, 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. 2/ 



* * Stems wingless or merely margined ; leaflets 2-8 pairs; native. 2/ 



- 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. ochi oleucus, 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 



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



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

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

 Shady banks W. and S. 



L. palustris, 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 W. 



Var. myrtif6lius, 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. 1J. 



*- Peduncle 4-S-Jlowered ; plant smooth. 



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

 flowers purplish, over ; long. Common N. and W. 



-i- t- Peduncle bearing very many small, soon reflexed flowers. 



V. Caroliniana, 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. Cracca, 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 waste places, N. E. 

 coast. 



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

 smooth. 



V. 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, low, not climbing. (I) 



V. sativa, Linn. COMMON VETCH or TARE. Somewhat hairy ; leaflets 

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

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

 Cult, for stock. 



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

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



