CL. XVII.] DIADELPHIA DKCANDRIA. 289 



5. ONO'NIS. REST-H ARROW. 



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. Fila- 

 ments ten, united into a cylinder, which is split above ; anthers 

 roundish. Germen oblong. Style cylindrical, ascending; stig- 

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

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

 stiff and elastic. Name from onos, an ass. 350. 



1. 0. arvtnsis. Rest-harrow. Cammock. Stem hairy ; branches be- 

 coming at length thorny at the point ; flowers mostly solitary ; calyx shorter 

 than the corolla; leaves ternate below, the rest simple, 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 : com- 

 mon. Eng. Bot. vol. x. pi. 682. Eng. Fl. vol. iii. p. 267. 1033. 



2. 0. redindta. 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, ascending; 

 stigma obtuse. Legume small, roundish, or oblong, inclosed in 

 the enlarged calyx, one-celled, two-valved. Seeds one or two, 

 roundish. Name from ant/ios, 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 hairy beneath : flowers 

 numerous : calyx pale, hairy : corolla yellow, sometimes red. Perennial : 

 flowers from June to September : grows in dry pastures : frequent ; abun- 

 dant 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, permanent 



segments, the two upper wider and more distant. Corolla of five 



petals; standard broadest, inversely heart-shaped, reflected, with 



two protuberances at the inner side near the bottom ; wings in- 



2 B 2 



