ICOSANDRIA— MONOGYNIA. Pniniis. B53 



256. FRAGARIA. Cal. 10-cleft. Seeds naked, even, on 



the surface of a mostly pulpy? deciduous receptacle. 



261. COM ARUM. Ca^. 10-cleft. S^'^^s naked, even, on 

 the surface of a spongy hairy permanent receptacle. 



257. POTENTILLA. Cal. 10-cleft. Seeds naked, rug- 



ged, beardless. Hecept. dry, obsolete. 



Spircea 2, 3. 



ICOSANDRIA MONOGYJSIA. 



250. PRUNUS. Plum and Cherry. 



Linn. Gen. 249. Jm?.?. 341. Fl. Br. 52G. Tourn.t. 398. Lam. 



t. 432. G<xrln. t. 93. 

 Cerasus. Tourn.t. A0\. 



Nat. Ord. Pomacca:. Linn. 36. Rosacece. Juss. 92. N. 251 

 — 253 the same. 



Cal. inferior, of 1 leaf, bell-shaped, deciduous, widi 5 ob- 

 tuse concave mai'ginal segments. Pet. 5, roundi.'sh, con- 

 cave, spreading, larger than the segments of the calyx, 

 their short claws proceeding from its rim. Filam. 20 — 

 30, awl-shaped, nearly as long as the corolla, from the 

 rim of the calyx within the petals. AiitJi. short, of 2 

 round lobes. Germ, superior, roundish. Stijle thread- 

 shaped, terminal, the length of the stamens. Stigma or- 

 bicular, peltate. Dnqia roundish or elliptical. I^iit very 

 hard, somewhat compressed, of 1 cell and 2 more or less 

 distinct valves, prominent at the margin, with an intei'- 

 mediate furrow; kernel solitary, suspended from the top. 



Trees, or sJinibs, sometimes thorny ; with alternate, stalked, 

 stipulated, simple, serrated and glandular leaves. FL 

 white, on simple or compound stalks. Fr. acid and 

 austere, greatly improved and varied by culture, but not 

 ■ of the most wholesome quality. The even surface of the 

 nut is supposed to distinguish Prwms from Amygdalus ; 

 that of the latter being full of superficial sinuses and chan- 



VOL. II. 2 A 



