Lathyrus.'] DIADELPHIA — DECANDRIA. 269 



a ver}' small quantity being said to allay and prevent hunger. Stem 1 

 foot high, winged. Floicej-s in long-stalked, axillary racemes, purple, 

 veined. Legume long, pendulous, cylindrical, black. 



2. O. niger, L. (black Bitter-vetch) ; leaves pinnate Avitli 3 — 6 

 ovate or elliptical pairs of leaflets, stipules linear-lanceolate acute, 

 stem branched angular erect. Hook. i?i E. Hot. Svppl. t. 2788. 



Shaded rocks, Scotland. Den of Airly, Forfarshire. Craiganain, a 

 rock within 2 miles of Moy House, Inverness-shire. Fl, June, July. If. 

 — Remarkable for turning black when drying. 



3. O. sijlvdticus, L. (JVood Bitter-vetch); leaves pinnate hairy 

 ■n-ith 7 — 10 pairs of ovato-oblong acute leaflets, stipules half 

 arrow-shaped, stem branched decumbent hairy. E, Bot. t. 518. 



Rocky and mountainous woods and thickets in the north. Fl. May, 

 June. 1+ . — Flowers purplish-white, in unilateral racemes. 



10. Lathyrus. Linn. Vetchling and Everlasting-Pea. 



1. L. Aphaca, L. {yeUoioVetchlmg); peduncles single-flowered, 

 tendrils without leaves, stipules very large foliaceous cordato- 

 saglttate. E.Bot.t.\\Q>7. 



Borders of sandy and gravelly fields, rare. Cambridgeshire, Oxford- 

 shire, Norfolk, and near London. Fl. June — Aug. 0. — True leaves, 

 each consisting of a single pair of leaflets, are rare, and only exist on 

 this singular plant in the early germination. Flowers yellow. 



2. L. Nissolia, L. {crimson Vetchling or grassVetch); peduncles 

 mostly single-flowered, leaves simple linear-lanceolate sessile 

 without tendrils, stipules subulate. E, Bot. t. 112. 



Bushy places, and grassy borders of fields, in England. Fl. May.©. 



3. L. hirsuliis, L. (rough-podded Vetchling); peduncles 2-flower- 

 ed, each tendril with a pair of linear-lanceolate leaflets, legumes 

 hairy, seeds rough, stem and petiole winged. E. Bot.t. 1255. 



Cultivated fields, rare; Essex; between Bath and Bristol. 27. July. 

 .—Flowers pale, except the standard, which is bright crimson. 



4. L.pratmsis, L. (meadow Vetchling); peduncles 2 — 8-flower- 

 ed, tendrils with 2 lanceolate 3-nerved leaflets, stipules arrow- 

 shaped as large as the leaflets. E. Bot. t. 670. 



Moist meadows and pastures, frequent. Fl. July, Aug. If . — Stems 

 2—3 feet long, climbing. Flowers yellow. — Cattle are said to be very 

 fond of this common plant. 



5. L. si/lve'stris, L. (narrow-leaved Everlasting-Pea); peduncles 

 4 — 5-flowered, tendrils with a pair of sword-shaped leaflets, stem 

 winged. E. Bot. t. 805. 



Thickets and hedges, in the middle and S. of England. N. Wales. 

 Shore near Whitehaven. Salisbury Craigs and coast of Angus-shire. 

 Banks of the White Adder, Berwickshire. Fl. July, Aug. :^ .—Stem 

 5—6 feet long, broadly winged. Flowers large, greenish, with purple 

 veins. 



6. L.*latif6lius,'L. (broad-leaved Everlasting Pea) ; peduncks 

 many-flowered, tendrils with 2 ovato-elllptical mucronated leaf- 

 lets, stem winged. E. Bot. t. 1108. 



