Arthrolobium.'] xxvi. leguminos2E : iiedysarete. 109 
2. A. hypoglottis L. ( purple Mountain M.) ; stem prostrate, 
spikes ovate, leaflets slightly emarginate, stipules united, pe- 
duncles longer than the leaves, legumes ovate stipitate erect 
capitate hairy 2-seeded. E. B. t. 274. 
Dry gravelly or chalky pastures ; chietly in the east of England 
and Scotland, as far north as Blair- Athole. Isles of Arran, Ireland. 
y. 6, 7. — Stem weak, a few inches in length. Leaflets elliptic-ovate, 
retuse, hairy. Stipules united together, but free from the petiole. 
Peduncles longer than the leaves, curved upwards. Heads of flowers 
large in proportion to the size of the plant, bluish-purple, sometimes 
white. Legumes ovate, acuminate, hairy, stalked within the calyx. 
3. A. alpinus L. ( alpine M.) ; pubescent, stem ascending, 
spikes capitate, leaflets elliptical, stipules ovate free, peduncles 
the length of the leaves, legumes elliptical pointed at both ends 
stipitate pendulous racemose clothed with black hairs 2 — 3- 
seeded. E. B. S. t. 2717. Phaca astragalina DC. and others. 
Head of Glen Dole, Clova; and Little Craigindal, Braemar. y. 
7. — Stem slender, much and diffusely branched. Racemes of few, 
spreading or drooping flowers, white, tipped with purple. 
Tribe IV. IIedysarete. Stamens diadelplious (9 and 1). Le- 
gume separating transversely into one or more 1 -seeded joints 
or cells , but. otherwise indehiscent. Leaves pinnate with an 
odd one without tendrils. (Gen. 13 — 16.) 
13. Ornithopus Linn. Bird’s-Foot. 
Cal. elongated, tubular. Keel very small, obtuse. Legume 
compressed, curved, of many close single-seeded joints, whose 
sides are equal. — Flowers capitate; peduncles bearing a leaf at 
their apex — Name : opine, opv i9og, a bird , and rove, afoot ; from 
the similarity of the seed-vessel to a bird’s-foot. 
1. O. perpusillus L. ( common B.) ; leaves pinnate with 6 — 9 
pairs of leaflets and a terminal one, peduncles longer than the 
leaves, flowers nearly sessile, legumes curved upwards with a 
beak scarcely longer than the upper joint. E. B. t. 369. 
Sandy and dry gravelly soil ; not unfrequent in Scotland. 0. 
5 — 7. — Stem . 2 — 12 inches long, much branched at the base and 
spreading, sometimes ascending when short. Leaflets oval. Flowers 
white with red lines. 
14. Arthrolobium Desv. Joint-vetch. 
Cal. elongated, tubular. Keel very small, obtuse. Legume 
cylindrical, curved of many close single-seeded joints, whose 
sides are equal. — Flowers capitate ; peduncles naked at the apex. 
— Name: ap9po£, a joint, and \o6oe, a pod; from the jointed cha- 
racter of the seed-vessel. 
