Ord. 3.] DIADELPHIA DECANDRIA. 147 



Woody mount. If. 7, 8. Stem smooth, 6f. Fl. white, with blue lines, 



2. V. Cracca, 17. 1168. (Tufted V.) Flowers imbricated. Leaflets 



lanceolate, downy. Siipulas half-arrow-shaped, mostly entire. 

 Hedges, and bushy past. If. . 7, 8. Stem 3f. downy. Fl. violet. 



** Flowers axillary, nearly sessile. 



3. V. sativa, 5. 334. (Common V.) Flowers mostly in pairs. Leaf- 



lets elliptic-oblong- ; lower ones abrupt. Stipulas with a blackish 

 depression beneath. Seeds orbicular, smooth. 

 Corn fields. . 5,6. Herb more or less downy. Pet. purplish crims., 

 variegated. — V. angustif. is scarcely distinct. 



4. V. angustifolia, Suppl. 2614. and V. Bobartii, Suppl. 2708. 



(Narrow-leaved V.) Flowers solitary. Leaflets linear ; lower 

 ones obcordate. Stipulas with a pale depression beneath. Seeds 

 orbicular, smooth. 

 Grassy past. ? 6. Smaller, slender. FL eleg., crims. ; keel white. 



5. V. lathyroides, 1. 30. (Spring V.) Flowers solitary. Leaflets 



elliptic-oblong ; lower ones obcordate. Tendrils simple, shorter 

 than the leaflets. Seeds cubic, warty. 

 Gravelly soil. 0.4, 5. Stem 3 — 4 in. downy. Fl. bluish-purp. 

 Seeds cubical. 



6. V. lutea,!. 481. (Rough-podded V.) Flowers solitary, very 



nearly sessile. Standard smooth. Legumes reflexed, hairy. Stem 

 spreading. Stipulas ovate, pointed, coloured. 

 Stony gr. near the sea. If. 8. Fl. pale sulph. or whitish. 



7. V. hybrida, 7. 482. (Hairy-flowered V.) Flowers solitary. Stand- 



ard hairy. Legumes reflexed, hairy. Stems ascending. Leaflets 

 abrupt. Stipulas ovate, unstained. 

 Thickets, S. of England, very rare. If. 6. Fl. sulphur-col., more 

 reddish. Stip. green. 



8. V. laevigata, 7. 483. (Smooth-podded V.) Flowers solitary, 



nearly sessile. Legumes reflexed, smooth. Stems ascending. 

 Stipulas cloven, unstained. Leaflets bluntish, very smooth. 

 Weymouth. If. . 8. Quite smooth. Fl. pale blue. 



9. V. sepium, 22. 1515. (Bush V.) Flowers about four together, 



in short axillary clusters. Legumes upright, smooth. Leaflets 

 ovate, obtuse ; the upper ones gradually smaller. 

 Thickets and hedges. If. 5, 6. Leajl. numer. Fl. dullpurp. varieg. 



10. V. bithynica, 26. 1842. (Purple V.) Flowers stalked, mostly 

 solitary . Legumes upright, rough. Leaflets in two pairs, lanceo- 

 late. Stipulas with lateral teeth. 



Bushy gravelly pi. rare. If.. 7,8. Stip. large. FL purple. 



361. ERVUM. Tare. 



I.E. tetraspermum, 17. 1223. (Smooth T.) Flowers mostly in 

 pairs. Legume smooth, with four seeds. Leaflets oblong, bluntish. 

 Moist corn fields. ©. 6. Slender y hairy. FL pale purple. 



