9(3 26. ROSACEA. 



small; calyx hairy,, cor. white with crimson veins. Pods 

 curved, joints beadlike wrinkled lengthwise. — Dry sandy and 

 gravelly places. A. V. — VII. E. S. I. 



16. ARTHEOLo'BnjM Desv. 



1. A. ebradedtum (DG).) ; ped. about equaUing the 1. 2 — 4- 

 fiowered, stip. minute distinct, 1. pinnate with many pairs of 

 elliptic-obteng leaflets, the lowest pair remote from the stem. — 

 K B. S. 2844. -r^St. prostrate, filiform. Fl. small, yellow, stan- 

 dard red externally. Pod curved upwards, joints cylindrical 

 rugose. — Channel and Scilly Islands. A. VI. VII. E. 



17. Hippocee'pis Linn. Horseshoe Vetch. 



1. H. eomdsa (L.) ; pods umbellate, their joints rough curved 

 neither dilated nor bordered, joinings glabrous, peduncles 

 longer than the leaves. St. procumbent, often a foot long. Fl. 

 yellow. Leaflets 7 — 13, obovate, blunt or emarginate^ apicu- 

 late. — Dry calcareous banks. P. V. — VIII. E. 



18. Onobky'chis Oaert. Sainfoin, ('ock's-head. 



1. O. saiiva (Lam.) ; wings shorter than the calyx, keel 

 about as long as the standard, st. ascending, po'ds with netted 

 spinous elevations on the disk and short sharp flat teeth on the 

 low6r suture. — St. 19. 10. — St. often 2 feet long. Fl. in long 

 dense terminal racemes, crimson vaiiegated. Tube of the 

 calyx silky, short ; teeth very long. ' Ijeaflets elliptic-oblong, 

 mucronate, entire, glabrous above, in about 12^ pairs. — On 

 chalky and limestone hiUs. P. VI. VII. E. 



Order XXVI. EOSACEJ^:. 



Oal. 4 — 5-parted, or 8 — 10-parted in 2 r'owSj free, or adhering 

 to and enclosing the ovary ; odd lobe superior. Pet. usually 6, 

 equal, perigynous. Stam. perigynous, usually indefinite. Carp, 

 several or solitary, distinct or combined with each other or 

 with the calyx! Styles distinct, often lateral. Fruit various. 

 Seeds nearly without albumen, embryo straight. — L. alternate, 

 Hsually compound, with stipules. 



Suborder! AMYGDALE.E. 



Fruit a drupe. Calyx deciduous, inferior, quite free from the 

 solitary ovary. Stipules free. 



1. Peunus. Drupe fleshy, indehi scent ; its nut smooth or 

 furrowed. 



