ROSACEiE. 94 PRUNDS. 



** Flowers subumbellate or solitary. 



3. C. PeNNSYLVA'NICA. J. C. borealis. Mx. 



Corymbs with elongated pedicels; leaves oblong-ovate, acuminate, erose, 

 membranous, srnootli ; fruit subovate. The Red Cherry-tree is common in 

 the Northern States. It rarely exceeds 2.5 feet in hight, with a diameter of 

 6 — 8 inches. The bark is smooth, brown. Leaves 5 or G inches lonfr, oval, 

 denticulate, with a long point. Flowers white, collected in a sort of umbel. 

 Fruit red, very acid. It is of rapid growth, and quickly succeeds a forest 

 clearing if neglected. May. Red Cherry. 



4. C. PU'mila. L. 8^ Mx. C. depressa. P. 



Leaves lanceolate, oval or obovate, acute, subserrate, smooth, paler beneatli ; 

 7tmbels sessile, few-flowered. A small trailing shrub, on sandy shores. Fruit 

 small, ovate, black, agreeable to the taste. May. Sand Cherry. 



5. C. horte'nsis. 



Umbel sub-pedunculate; lenves ovate-lanceolate, smooth, folded together. 

 This tree is quite common, cultivated as well for its fine, shady foliage, as for 

 its excellent fruit. The tree is about 20 feet high, flowering in MajT. Seve- 

 ral varieties are produced, differing in respect to the form, taste, color, &c. of 

 the fruit. It is native in many parts of Europe. Garden Cherry. 



2. PRUNUS. 



Calyx S-cleft, deciduous; petals much spreading; stamens 

 15 — 30; ovary 2-ovuled ; drupe ovate, fleshy, smooth, gen- 

 erally covered with a glaucous bloom ; nucleus, compressed, 

 smooth. 



Greek and Latin names the same ; derivation unknown. Small tree or 

 shrub. Leaves convolute in vernation. 



1. P. mari'tima. 



Leaves oval or obovate, slightly acuminate, shaply serrate; petioles with 2 

 glands ; umbels few-flowered ; pedicels short, pubescent ; fruit nearly round. 

 A small shrub, abundant on the sea beach, particularly on Plum Island, at the 

 mouth of Merrimac river. Fruit large, pulpy, little inferior in size to the 

 common garden plum. May. Beach Plum. 



2. P. America'na. 



Somewhat thorny; leaves oblong-oval and obovate, abruptly and strongly 

 acuminate, doubly serrate ; drjipc roundish-oval, reddish-orange, with a thick, 

 coriaceous skin. Hedges and law woods, often cultivated for its sweet, pleas- 

 ant fruit, which is about the size of the damson. The slirub is 10—15 feet 

 high. May. Fruit ripe in Jl. Aug. Red Plum. Yelloiu Plum. 



3. P. dome'stica. 



Peduncles nearly solitary ; leaves ovate-lanceolate, convolute; branches un- 

 armed. The garden plum, long cultivated in this country and throughout 

 Europe, is said to be originally from France. Among its more common^vari- 

 eties, are the Juliana, damson plum, fruit oblong, blue ; the Claudiuna, sweet 

 plum, fruit round, yellov/ish; the Enucleata, stoneless plum, fruit without 

 the putamen. Garden Plum. 



