CL. XYII.] DIADELPHIA- DECA.NDBIA. 289 



5. ONO'NIS. KEST-HAKROW. 



Calyx inferior, tubular, rather deeply divided into five linear, 

 pointed segments, the lower longest, and lying under the keel. 

 Corolla of five petals ; standard largest, heart-shaped, striated, 

 keeled and compressed at the back, the sides depressed ; wings 

 inversely egg-shaped, half the length of the standard ; keel of 

 two converging petals, pointed, a little longer than the wings. 

 Filaments ten, united into a cylinder, which is split above ; an- 

 thers roundish. Germeji oblong. Style cylindrical, ascending ; 

 stigma small, obtuse. Legume diamond-shaped, turgid, sessile, 

 scarcely longer than the calyx, one-celled, two-valved, the 

 valves stifl' and elastic. Name from onos, an ass. 350. 



1. O. arvensis. Rest-harrow. Cammock. Stem hairy ; branches 

 becoming at length thorny at the point ; flowers mostly solitary ; 

 calyx shorter than the corolla ; leaves ternate below, the rest sim- 

 ple, serrate, entire at the base. Root woody, branched : flowers 



axillar, generally solitary, large, rose-coloured : pods two or three- 

 seeded. Perennial: flowers from June to September: grows in 

 dry pastures and the edges of fields : common. Eng. Bot. vol. x. 

 pi. 682. Eng. Fl. vol. iii. p. 267. 1033. 



2. O. reclindta. Small Spreading Rest-harrow. Stem hairy ; 



calyx as long as the corolla ; leaves all stalked, ternate. Much 



smaller than the last : stem herbaceous, spreading : pods many- 

 seeded. Annual : flowers in July : first discovered in Britain by 

 Dr. Graham on a steep bank by the sea, near Sarbert, Galloway, 

 in 1836. Alderney. Brit. Fl. 4th ed. p. 268. 1034. 



6. ANTHY'LLIS. KIDNEY-VETCH. 



Calyx inferior, egg-shaped, inflated, woolly, with five small 

 unequal, marginal teeth, permanent. Corolla of five petals, with 

 linear claws, as long as the calyx ; standard longest, reflected at 

 the sides ; wings half egg-shaped, shorter, keel of two narrower 

 petals, compressed, slightly cohering at the tips. Filaments ten, 

 united into a cylinder, finally splitting along the upper edge, 

 their extremities curved upwards ; anthers small, roundish. 

 Germen oblong or half egg-shaped. Style awl-shaped, as- 

 cending ; stigma obtuse. Legume small, roundish, or oblong, 

 inclosed in the enlarged calyx, one-celled, two-valved. Seeds 

 one or two, roundish. Name from anthos, a flower, and ioulos, 

 beard. 351. 



1. A. Vulnerdria. Kidney-vetch. Ladies' -fingers. Herbaceous ; 

 leaves pinnate, with a terminal leaflet ; heads of flowers in pairs. 

 Stems about a foot high, ascending, round, hairy : leaves hairv 

 beneath : flowers numerous : calyx pale, hairy : corolla yellow, 

 sometimes red. Perennial : flowers from June to September : 

 grows in dry pastures : frequent ; abundant in those near the sea. 

 Eng. Bot. vol. ii. pi. 104. Eng. Fl. vol. iii. p. 269. 1035. 



7. PI'SUM. PEA. 



Calyx inferior, cup-shaped, unequal, with five acute, perma- 

 nent segments, the two upper wider and more distant. Corolla 

 of five petals ; standard broadest, inversely heart-shaped, re- 

 flected, with two protuberances at the inner side near the bot- 

 2B 2 



