PEA FAMTT.Y 



139 



-Fl; June, July. Pe- 



on a chalky or gravelly soil; uncommon.- 

 rennial. 



12. OxvTROPis. — Herbs, distinguished from Asfnioa/i/s mainly 

 by having a mucronate point to the Ar/ of the rorol/n. (Name 

 from the Greek ox?/s, sharp, tropis^ a keel.) 



1. O. iiralcnsis (Hairy Mountain Oxytropis). — A low plant; 

 leaves radical ; leaflets in about 1 2 pairs ; peduncles longer than the 

 leaves, erect, silky, 6 — lo-flowered; flowers bright purple ; /(?i/f 

 erect, silky. — Dry mountain 



pastures in Scotland ; rare. — Fl. 

 June, July. Perennial. 



2. O. innipestris { Vellowiih 

 Mountain Oxytropis). — A larger, 

 hairy, but less silky species, with 

 peduncles scarcely longer than the 

 leaves, and yellowish flowers 

 tinged with purple. Occurs only 

 ur the Clova mountains. — Fl. 

 June, July. Perennial. 



13. Ornithopus (Bird's-foot). 

 — Slender, hairy herbs ; leaves 

 imparipinnate ; floivers few, 

 minute, in long-stalked umbels, 

 with a pinnate leaf below each 

 umbel ; keel blunt ; sta/neiis 

 diadelphous ; pods curved, in- 

 dehiscent, with many oval, r- 

 seeded joints. (Name from the 

 Greek poi'is, a foot, ornitlios, of 

 a bird, from the shape of the 

 fruits.) 



I. 0. perpusilliis (Common 

 Bird's-foot). — A pretty little 

 plant, with spreading, prostrate, 

 slender stems ; downy leaves of 

 13 — 25 leaflets; exceedingly small cream-coloured y/c'zctvT, \-eined 

 with crimson, with a leaf below each head ; and curved 7 - 9- 

 jointed /<7(/i" ending in a claw-like beak. — Sandy heaths ; frequent. 

 — Fl. May — August. Annual. 



14. CoRONiLLA (Crown-vetch). — Perennial herbs or shrubs, 

 W'ith imparipinnate leaves : flo'd'ers on long-stalked, axillary umbels ; 

 calyx-teeth unequal, the two upper united ; petals rather 

 long-xlawed ; keel beaked ; stamens diadelphous ; pod cylindric, 



K 



(iKXI'tHOPTJ.'^ PRRPUSiLLUS 



