ROSACEA. 97 



3. P. domestic A, L. Common Garden Plum. 



Branches unarmed; leaves oval-lanceolate, acute; p&lieels nearly solitary; drupe 

 globose, oval, ovoid and obovoid. This long cultivated tree or shrub is said to be 

 il native of Italy. It rarely exceeds 15 feet in height. Fruit black, varying through 

 many colors to white, covered with a rich glaucous bloom, ripe in Aug. Varieties 

 -very "numerous. 



4. P. chicasa, Michx. Chickasaw Plum. 



Branches spinosc; leaves oblong-lanceolate, glandular serrulate, acute, nearly 

 smooth; umbels 2 to 3-flowered ; pedicels short, smooth; drupe globose. A fine 

 fruit-shrub, native of Arkansas, often cultivated. Height 8 to 12 feet. Leaves 1 

 to 2 inches long, */£ as wide. Flowers small, white, expanding with the leaves. 

 Fruit red or yellowish-red, tender and succulent, ripe in July. 



Ar,M-xiACA, a genus very closely resemblinj Prunus. 



A. vulgaris. Common Apricot. A tree 10 to 15 feet high, from Armenia. Flove- 

 trs white, preceding the leaves. Fruit 1 to 2 inches in diameter, purplish-yellow. 

 Cultivated. 



A. pascvcarpa. Blade Apricot. A tree about the size of the last, from Siberia. 

 Flowers white, preceding the leaves. Fruit dark-purple, when mature. 



2. CERASUS. Tourn., Juss. Cherry. 



Cerasus, a town in Pontus from where the garden cherry was first brought. 



Elowers, &c, as in Primus. Drupe globular, without 

 a bloom; the stone almost globular, smooth. — Trees or shrubs 

 wkh the leaves folded in the bud, and v:hite flowers in umbels 

 or racemes. 



* Flowers in racemes at the end of leafy branches. 



1. C. Virginiana, DC. Choke Cherry. Wild Cherry. 



Leaves broad, oval or obovate, abruptly acuminate, often sub-cordate, sharply 

 (often doubly) serrate with slender teeth, thin, smoothish ; petioles with 2 to 4 

 glands; racemes short and close, erect or spreading; petals obovate; fruit sub- 

 globose. 



River banks and woods; common. Fl. May. Fr. Aug. A tall overhanging shrub 

 or small tree, with greyish, bark. Leaves 2 to 3 inches long, x /> as wide, with a 

 short abrupt acumination. Flowers white. Fruit (cherries) abundant, of a dark 

 red color, very austere and astringent to the taste. 



2. C. serotina, DC. Wild Black Cherry. 



Leaves oval-oblong or lance-oblong, acuminate, smooth and shining above, finely 

 serrate, bearded along the midrib beneath ; petiole mostly with 2 or more glands ; 

 racemes elongated ; petals obovate ; drupe globose. 



Woods; common. FL May, June. Fr. Aug., Sept. A fine large tree, 50 to 80 

 feet high of uniform size and undivided to the height of 20 to 30 feet, 2 to 4 feet in 

 diameter. Bark of the trunk black and rough, that of the branches reddish- 

 brown. Leaves 3 to 5 inches long, % as wide, with 1 to 2 pairs of reddish glands 

 at base. Flowers white, in long racemes or clusters, which are at length pendu- 

 lous. Fruit nearly black when mature, slightly bitter. The wood is close-grained 

 and very valuable for cabinet work. 



* * Flowers sub-umbellate or solitary. 



3. C. Pennsylvania, DC. Bird Cherry. 



Leaves oval or oblong-lanceolate, acuminate, finely and sharply serrate, shining, 

 green and smooth on both sides, mostly with 2 glands at the base; flowers many ia 

 a cluster, on long pedicels; fruit globose. 



T 



