27. ROSACEyE. 
87 
neither dilated nor bordered, artieulations glabrous, ])eduncles 
longer than the leaves. — E. B. ,'31. — St. ])rociunbent, often a foot 
long. n. yellow. Leaflets 7 — 1-3, obovate, obtuse or einargi- 
nate, apiculate. — Dry ehalky banks. P. V. — VIII. E. 
18. Onobrychis Gaert. 
1. 0. sativa (Lain.) ; wings shorter than the calyx, keel about 
as long as the standard, st. ascending, jiods with reticulated 
spinous elevations ou the disk and short sharp flat teeth on the 
lower suture. — E. B. fKi. Mart. Rust. 47. St. 19. 10. — St. 
ofteu 2 feet long, recumbent. FI. in long dense terminal racemes, 
crimson, variegated. Tube of the calyx silky, short ; teeth very 
long. Leaflets elliptic-obloug, mucronate, entire, glabrous above, 
in about 12J ))airs. — On chalky and limestone hills. P. VI. VII. 
Saintfoin. E. S. 
Order XXVII. ROSACEiE. 
Cal. 4 — 5-parted, lined with a disk below, odd lobe superior. 
Pet. 5, equal. Stam. usually indefinite. Carp, several or soli- 
tary, distinct or combined with each other or with the calyx. 
Styles distinct, often lateral. Fruit various. Seeds nearly with- 
out albumen, embiyo straight. — L. alternate, usually compound, 
with stipules. 
Tribe I. AMYGDALEjE. Fruit a solitaiy drupe ; seeds 1 — 2, 
jiendulous. Cal. deciduous. 
1. Prunes. Drupe flesh 3 % iudehiscent. Putamen smooth or 
sulcated. 
Tr. II. SPIRMtl^. hV. formed of several follicles; seeds 1—6, 
suspended from the inner edges of the follicles. Cal. per- 
sistent. 
2. Spir.®a. Cal. 5-cleft. Stam. numerous, inserted along 
with the pet. on a disk adhering to the calyx. Follicles 1 
or more, usually distinct. Seeds 2 — 6 . 
Tr. III. DRYADEAE. Fr. formed of small dry (in succu- 
lent) nuts, few, or numerous and then inserted on a fleshvr 
or succulent receptacle. Cal. persistent. 
* Attachment of the seed distant from that of the style, radi- 
cle inferior. 
3. Dryas. Cal. 8 — 9-cleft, in one row. Pet. 8 — 9. Stam. 
numerous. Fr. of numerous small nuts, tipped with the 
persistent hairy styles which are straight at the extremity, 
aggregated on a dry receptacle. Seed ascending. 
4. Geum. Cal. 10-cleft, in 2 rows, the outer parts smaller. 
