CLASS XVII. ORDER IV.

DIADELPHIA DECANDRIA. Chives in two sets. Ten Chives.

ESSENTIAL GENERIC CHARACTER.

Vexillum callis duobus ad basin, parallelis, oblongis, alis subtus comprimentibus.

Standard with two callosities at the base; parallel, and of an oblong form; the wings beneath binding together.

SPECIFIC CHARACTER.

Dolichos hirtus; caule volubili, tecto ferrugineis pilosis; floribus luteis striatis rubris; foliis ternatis; foliolis sub-cordatis, subtus pilosis; stipulis duabus ad basin; radice tuberosa.

Dolichos with a hairy stem: the stalk is twining, and covered with rusty hairs: flowers are yellow, and striped with red: leaves ternate; leaflets nearly heart-shaped, and hairy beneath, with two stipulæ at their base: root tuberous.

REFERENCE TO THE PLATE.

1. The cup.
2. The standard.
3. One of the wings shown from the inside.
4. The keel.
5. The chives and pointal.
6. The chives spread open.
7. The seed-bud and pointal.