PAPILIONACEAE 191 



Corolla 16-21 mm. long. 



Corolla 9-1 1 mm. long. 



b. Plants annual : introduced species. 



Pods glabrous, 3-6-seeded. 



Pods pubescent, 2-seeded. 



B. Flowers solitary or few and nearly sessile in the axils. 



Leaflets with oblong, oval or obovate blades. 7. V. saliva. 



Leaflets with linear or linear-oblong blades. 8. V. angustifolia. 



1. Vicia Cracca L. Cow or Blue Vetch. (Man. p. 565; I. F. /. 

 2204.) In dry soil, Newf. to B. C, south to N. Y., N. J., Ky. and Iowa. 

 Also in Eu. and Asia. — Peniisylvauia : Monroe ; Northampton ; 

 Bucks ; Delaware ; Lancaster. 



2. Vicia villosa Roth. (Man. p. 565.) Escaped in eastern Pa. Nat. 

 of Eu. — Petmsylvania : Bucks, Penn Valley. 



3. Vicia Americana Muhl. American VETCH. (Man. p. 565 ; I. 

 V.f. 2205. ) In moist ground, N. B. to N. C, south to Va., Ky. and Nev. 

 —Pentisylvania : Northampton ; Monroe ; Bucks ; Chester ; Lan- 

 caster ; Huntingdon ; Centre. 



4. Vicia Caroliniana Walt. Carolina Vetch. (Man. p. 566; I. 

 V.f. 220J.) River banks and cliffs, Ont. to Minn., south to Ga., Ky. 

 andKans. — Pennsylvania : Northampton ; Bucks ; Lancaster ; York ; 

 Perry; Susquehanna; Franklin; Somerset; Allegheny. 



5. Vicia tetrasperma (L.) Moench. Slender Vetch. Smooth 

 Tare. (Man. p. 566 ; I. F. /. 2210. ) In meadows and waste places, N. 

 S. and Ont. to Va. Nat. from Eu. Native also of northern Asia. — Penn- 

 sylvania : Monroe ; Philadelphia ; Delaware. 



6. Vicia hirsuta (L) Koch. Hairy Vetch or Tare. (Man. p. 

 566; I. F.y. 221 J.) In fields and waste places, Va. to Ohio and N. B. 

 Nat. from Eu. Native also of Asia. — Penfisylvania : Chester. 



7. Vicia satlva L. Common Vetch or Tare. (Man. p. 566 ; I. F. 

 y. 22/2. ) In fields and waste places, eastern and central United States and 



on the Pacific coast. Adv. from Eu. — Pennsylvania : Philadelphia; 

 Delaware ; Lancaster ; Allegheny. 



8. Vicia angustifolia Roth. Smaller Common Vetch. (Man. p. 

 566 ; I. F.y. 22/j.) In fields and waste places, N. S. to Fla., mostly near 

 the coast. Nat. from Eu. — Pennsylvania : Philadelphia, waste places. 



28. LATYHRUS L. 



Stipules large and foliaceous, half-hastate or half-cordate. 



Corolla purple. i. L. viarilimus. 



Corolla cream-colored. 2. L. ochroleucus. 



Stipules half-sagittate or very small or wanting. 



Leaflets with ovate or oval blades : racemes io-20-flowered. 



3. L. venostis. 



Leaflets with oblong blades : racemes 2-6-flowered. 4. L. inyrli/olius. 



1. Lathyrus maritimua (L.) Bigel. Beach or Sea Pea. (Man. p. 

 567; I. F. / 22i§.) Sea-beaches, N. J. to Arctic Am., shores of the 



