Onobrijchis.] leguminos^. — rosace^.. 137 



** Lament single-celled. 



XVII. Onobeychis, Town. Saintfoin. 



Keel truncate, longer than the wings. Legume sessile, of one 

 indehiscent joint, compressed, coriaceous, prickly, crested or 

 winged. — Flowers racemose. 



1. O. saiwffl. Lam. Common Saintfoin. Cock's-head. "Leaves 

 pinnate nearly glabrous, legumes toothed on the lower margin 

 with elevated wrinkles on the sides, wings of the corolla as short 

 as the calyx, the keel as long as the standard, stem elongated."— 

 Br. Fl. p. 108. Hedysarum Onobrychis, L. : E. B. t. 96. Jacq. 

 Fl. Aust. iv. 27, t. 352. 



On dry chalky banks and slopes, borders of fields and thickets, where the soil 

 is calcareous ; not uncommon, but difficult to determine whether wild or the relic 

 of cultivation, of which it is so much the object. Fl. June, July. Fr. August. 

 %■ 



E. Med. — On a steep declivity facing the sea by the ' Crab and Lobster' at 

 Ventnor. Between Shanklin and Bonchurch. On a bank of chalk-marl near 

 Ashey down, between it and Nunwell. Abundant on a steep bank above the bri- 

 dle road to Lower Knighton from Ashey down, near the end of Knighton E. 

 copse. 



W.Med.- — Near Westover, apparently indigenous. Very common about the 

 borders of fields on and at the foot of Freshwater do\^. 



Order XXIV. EOSACE^. 



" Calyx 4—5 lobed, free or adherent with the ovary. Petals 5, 

 perigynous, equal. Stamens perigynous, definite or indefinite, 

 with an incurved {estivation ; anthers 2-celled, bursting longitudi- 

 nally. Carpels many, rarely solitary, and then situated between 

 two of the lobes of the calyx (when these are 5), 1-celled, 1, 2, or 

 more seeded, free, or combined with each other and with the 

 calyx. Styles simple, often lateral, distinct or combined. Seeds 

 ascending or suspended, nearly without albumen : embryo straight, 

 with fleshy or foliaceous cotyledons. — Herbs, or shrubs, or trees. 

 Leaves alternate, with stipules one on each side the base of the 

 petiole."— J?r. Fl. 



Tribe I. Amygdale.^. 



Calyx inferior, deciduous. Ovary solitary, superior. Style 1, 

 terminal. Fruit a solitary drupe, with 1 or 2 seeds suspended from 

 the top of their cell. Trees or shrubs with simple leaves and stipules 

 free from the petiole. All the parts abound in prussic acid. 



T 



