OBXITHOFCS.] LEGUMINOSJE. 99 



Peduncles axillary, slender, strict, longer or shorter than the leaves. Heads 

 3-6-flowered. Flowers \ in., veined with red ; pedicels very short. Calyx- 

 tube subcampanulate ; teeth short. Pod ^-1 in., 7-9-jointed, beaked, gla- 

 brous or pubescent, reticulated. DISTRIB. Europe, N. Africa. 



2. O. ebractea'tus, Brotero ; bracts 0, flower yellow, pod slightly 

 constricted between the seeds. Artlirolo'bium ebracteatum, DC. 

 Sandy places, Scilly and Channel Is. ; fl. June- Aug. Annual, glaucous, nearly 

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

 leaflets -| in., oblong, distant. Heads 2-5-flowered ; peduncles as long as 

 the leaves. Flowers % in., bright yellow with red veins. Pod f-1 in., very 

 slender, beaked, 10-14-jointed, granulate. DISTRIB. W. and S. Europe 

 from France to Italy and Turkey, Canaries, Azores. 



14. HIPPOCREPIS, L. HORSESHOE-VETCH. 



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

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

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

 Ktiilf 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- 

 Eke joints. Seeds curved. DISTRIB. Europe, N. Africa, W. Asia ; species 

 12. ETYM. tWos and Kpritris, from the shape of the joints of the pod. 



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



Rocky and stony pastures in the S. of England ; ascends to 1,800 ft. in York- 

 shire ; rare in the North, Ayr and Kincardine ; fl. May-Aug. Nearly 

 glabrous. Rootstock branched. Stems 6-18 in., very many, branched, 

 ascending. Leaves 2-6 in. ; leaflets J-J in. Heads 6-10-flowered ; peduncles 

 curved, slender, longer than the leaves. Flowers J 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. Calyx-lobes subulate. Wings short ; keel obliquely truncate, 

 as long as or longer than the standard. Upper filament free at the base ; 

 anthers uniform. Style inflexed, stigma minute. Pod compressed, inde- 

 hiscent, not jointed, often spiny winged or crested, 1-2-seeded. DISTRIB. 

 Europe, temp. Asia and Africa ; species 50. ETYM. obscure. 



1. O. sativa, Lamk.; pod tubercled on the lower margin. 

 Dry fields and pastures in the S.E. of England, perhaps indigenous, elsewhere 

 usually a relic of cultivation ; a native? Watson ; 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 ^-f in., obovate 

 or linear-oblong, apiculate, very shortly petioled ; stipules ovate-lanceolate, 

 membranous. Racemes ovoid, compact ; peduncles slender, erect ; bracts 

 subulate. Flou-ers ^ in., bright rosy-red, veins darker; wings very short. 

 Calyx short, woolly, teeth subulate. Pods | f in., obliquely semicircular in 

 outline, strongly reticulate, pubescent, 1-seeded. DISTRIB. W. and S. 

 H 2 



