Vicia.] DIADELPHIA — DECANDRIA. 263 



ORD. II. OCTANDRIA. 8 Stamens. 



3. PoLYGALA. Cal. of 5 leaves, 2 of them wing-shaped, and 

 coloured. Petals combined by their claws with the filaments, 

 the lower one keeled. Capsules compressed. Seeds downy, crested 

 at the liilum. — Nat. Ord. PoLYGALEiE, Juss — Name, To/.y, 

 much, and ya'Ka, milk, from some fancied property in the plant. 



ORD. III. DECANDRIA. 10 Stamens. (All belonging to 

 the Nat. Ord. Leguminosve ; having the fruit a Legume, and 

 the 9iOVfQX%ijapillionaceous, with the leaves mostly compound.) 



* Filaments all connected at the base or monadelphous. 



4. IJlex. Cal. of 2 leaves, with a small scale or hractea on 

 each side at the base. Legume turgid, scarcely longer than the 

 calyx. — Name, — According,to Theis, its root is ec or ae, a sharp 

 pomt, in Celtic : whence too arises the French name ajoiic, or 

 acjoJiCf a sharp or spiny rush. 



5. Genista. Cal. 2-lipped ; upper lip with 2 deep segments, 

 lower one with 3 teeth. Standard oblong. Legume flat or tur- 

 gid, many-seeded. — Named from Geii, a shrub, in Celtic. 



6. Cytisus. Cal. 2-lipped ; upper lip nearly entire or witli 

 2 small teeth, lower one 3-toothed. Standard large, broadly 

 ovate. Keel very blunt, including the stamens. Legume flat- 

 tened, many-seeded. — Name ; — x'oucog, of the ancient Greeks ; 

 said to be so called because it came from the island of Cythnosy 

 one of the Cyclades. 



7. Ononis. C«/. 5-cleft, its segments linear. Standard large, 

 striated. Legume turgid, sessile, few-seeded. — Named from cvo,, 

 an ass ; because the plant is eaten by that animal. 



8. Anthyllis. Cal. inflated, 5-toothed. Petals nearly 

 equal in length. Legume oval, 1 — 3-seeded, enclosed in the 

 permanent calyx. — Name, — avih;, ajlower, and io'j'/.og, a beard or 

 down, from the downy calyces. 



** Stamens diadelphous, 9 tmited and I free. 

 f Style downy beneath the stigma. ( VICIEjE, DC.) 



9. Orobus. Style linear, downy above. Cal. obtuse at the 

 base, oblique at the mouth, its upper segments deeper and 

 shorter. — Leaves luithout tendrils. — Name, — o^w, to strengthen 

 or invigorate, and /Sojc, an ox ; because yielding food for cattle. 



10. LA.THYUUS. Style plane, downy above, broader upwards. 

 Cal. with its mouth oblique, its upper segments shortest. — 

 Leaves with tendrils. — Name, — 7M&\jooi ; a leguminose plant of 

 Theophrastus. 



11. Vicia. Style with a tuft of hair beneath the stigma.—' 

 Climbing plants. Leaves with tendrils. — Name originally de- 



