106 LEGUMINOSJS. [Ornithopus. 



Sandy places, Scilly and Channel Islands ; fl. June-Aug. — Annual, glaucous, 

 nearly glabrous. Stems 6-18 in., filiform, ascending. Leaves 1-4 in., all 

 petioled ; leaflets J-§ in., oblong, distant. Heads 2-5-flowered ; peduncles 

 as long as the leaves. Flowers j in., bright yellow with red veins. Pod 

 f-1 in., very slender, beaked, 10-14-jointed, granulate. — Distrib. "W. 

 Mediterranean region, Canaries, Azores. 



14. HIPPOCRE'PIS, L. Horseshoe Vetch. 



Diffuse, glabrous herbs. Leaves piunate with a terminal leaflet ; leaflets 

 many, quite entire ; stipules small or 0. Flowers yellow, nodding, honeyed. 

 Calyx with 2 upper teeth connate. Petals long-clawed ; keel incurved, 

 beaked, resilient after deflection. Style inflexed, subulate, stigma minute ; 

 ovules many. Alternate filaments slightly dilated, upper free ; anthers 

 uniform. Pod flat, curved, upper margin deeply notched opposite each 

 seed, breaking up into 3-6 horseshoe-like joints. Seeds curved.— Distrib. 

 Europe, N. Africa, W. Asia ; species 12. — Etym. 'Ittwos and Kpriiris, from 

 the shape of the joints of the pod. 



H. como'sa, L. ; leaflets 4-8 pair oblong-obovate. 



Rocky and stony pastures in Englaud, Ayr, and Kincardine ; ascends to 

 1,800 ft. in Yorkshire ; fl. May-Aug. — Nearly glabrous. Rootstock branched. 

 Stems 6-18 in., very many, branched, ascending. Leaves 2-6 in.; leaflets 

 J-| in. Heads 6-10-flowered ; peduncle curved, slender, longer than the 

 leaves. Flowers J-§ in., shortly pedicelled, yellow. Calyx-tube short, 

 broad. Petals at length reflexed. Pod 1-1J in., falcate, granulate. — 

 Distrib. W. and S. Europe, N. Africa. 



15. ONOBRYCHIS, Tournefort. Sain-foin. 



Herbs or shrubs. Leaves pinnate with a terminal leaflet ; leaflets quite 

 entire ; stipules scarious. Flowers purple red or white, in axillary spikes 

 or racemes, honeyed. Calyx-lobes subulate. Wings short ; keel obliquely 

 truncate, as long as or longer than the standard, resilient after deflection. 

 Upper filament distinct at the base ; anthers uniform. Style inflexed, stigma 

 minute. Pod compressed, indehiscent, not jointed, often spiny winged or 

 crested, 1-2-seeded. — Distrib. Europe, temp. Asia and Africa ; species 

 50. — Etym. obscure. 



O. sati'va, LamTc. ; pod tubercled on the lower margin. 

 Dry fields and pastures, indigenous? in mid and S.E. England, usually a relic 

 of cultivation ; fl. June-Aug. — A perennial herb, 1-2 ft., pubescent with 

 appressed hairs. Rootstock woody, branched. Stems ascending, stout, tough, 

 leafy. Leaves 3-6 in. ; leaflets |-| in., obovate, or linear-oblong, apiculate, 

 very shortly petioled ; stipules ovate-lanceolate, membranous. Racemes 

 ovoid, compact; peduncle slender, erect; bracts subulate. Flowers \ iu., 

 bright rosy-red, veins darker ; wings very short. Calyx short, woolly, teeth 

 subulate. Pods J- J in., obliquely semicircular in outline, strongly reticulate, 

 pubescent, 1 -seeded.— Distrib. W. and S. Europe, N. Asia. 



