LEGUMTNOSiE. (rULSE FAMILY.) 143 



* Annual ; Jlowers 1 or 2 in the axils, nearly srssi/pjarrje, riolef-purp/e. 



V. SAT^A, L. (Common Vktcii or Takk.) Sninowluit pnlioscont ; stom 

 simple; leaflets 5-7 ]):iirs, varviiig from oliovate-ohlontr to linear, iintrhed 

 anil mucronate at the a])ex ; pod linear, several-seeded. — I'ultivnifd fields and 

 waste places, N. Eng. to N. .1. and southward, west t«) Mich, and Minn. — 

 Var. ANCiLSTiFOLiA, Serluge, has longer and narrow leaflets. (Adv. from V.\i.) 



* * Annual, slender ; peduncles elomjated ; Jloictrs small . 



V. TETnASPEU.MA, L. Peduncles \-2-floxcered ; leaflets 4-6 pairs, linear- 

 ohlong, obtuse ; calyx-teeth uncijual ; corolla whitish; jhkU narroir, ■\-s<t:iLii^ 

 smooth. — Waste places, near the coast, N. Scotia to N. J. (Nat. from Ku.) 



V. Hius^TA, Koch. Peduncles 3 - ^-flowered ; leaflets 6-8 pairs, truncate ; 

 calyx-teeth equal; corolla bluish ; />0£/6- oblony, 2-seeded, hairj. — N. Brun.s- 

 wick to Mass. and Va. (Nat. from Eu.) 



* * * Perennial ; peduncles eloiif/ated ; cali/x-teeth unequal; pod sfvfral-seeded. 



1. V. Cr^CCa, L- Downy-pubesceut ; leaflets 20-24, olilonrj-lanreolate, 

 stroncjli) mucronate; spikes denseli/ manij-Jlowered, 1 -sided; flowers blue, turn- 

 ing purple, 6" long, reflexed ; calyx-teeth shorter than the tube. — Borders of 

 thickets, Newf. to N. J., west to Ky., Iowa, and Minn. (Eu.) 



2. V. Carolini^na, Walt. Nearly smooth ; leaflets 8 - 24, ohlonrj, ohtuse, 

 scarcely mucronate; peduncles loosehj-Jiowered ; flowers small, more scattered 

 than in the preceding, whitish, the keel tipped with blue ; calyx-teeth very 

 short. — Kiver-banks, Out. and N. Y. to Ga., west to Minn, and Kan. 



3. V. Americana, Muhl. Glabrous; leaflets \0-\4, elliptircd or ovate- 

 oblong, very obtuse, many-veined; peduncles 4- 8-flou-ered : flowers purplish 

 (8" long). — Moist soil, N. Y. and N. J., to Kan., Minn., and westward. — Var. 

 lineXris, Watson, a low form with linear leaflets, occurs in Kan. and Neb., 

 and is common westward. 



31. LATHYRUS, Tourn. Vetchlixg. Everlasting Pea. 



Style flattish, dilated and flattish (not grooved) above, hairy along tiie inner 

 side (next the free stamen). Sheath of the filaments scarcely oblique at the 

 apex. Otherwise nearly as in Vicia. — Our species are perennial and mostly 

 smooth plants, the rhachis of tlie leaves in some not produced into a tendril. 

 {Addvpos, a leguminous plant of Theophrastus.) 



* Tendrils present ; stipules large and broad ; leaflets 3-5 pairs. 



1. L. maritimus, Bigelow. (Beach Pea.) Stout (1° high or more); 

 stipules broadly ovate and halberd-shaped, nearly as large as the leaflets, the 

 lower lobe larger and usually coarsely tootlied ; leaflets thick; ovate-oblong 

 (i -2' long) ; peduncles a little sh(n-ter tl;an the leaves, 6 - 10-flowered . flow- 

 ers targe (9" loug),/^»/7>/e. — Se;vshore from N. .1. and Oregon to the Arctic 

 Sea; also on the Great lyakes. (Eu.) 



2. L. OchroleUCUS, Hook. Stem slender (1-3^ liigli) ; stipules semi- 

 cordate, half as large as the thin orate leaflets; peduncles 7 - 10-flowereil ; flow- 

 ers smaller, yellowish-white. — nWUides, N. Eng. to Minn., Iowa, and westward. 



* * Tendrils present ; stipules narrow, semi-sagittate, acuminate. 

 ■*- Flowers purple ; leaflets several pairs. 



3. L. ven6sus, Muhl. S7o»^ climbing, usually somewhat downy; stip- 

 ules very small and mostly slender; leaflets 4-6 pairs, oblong ovate, mostly 



