98 ROSACK.-E. 



Rocky woods aad thickets. PL May. Fr. Aug. A small tree 20 to 30 feet high, 

 with light r.:d-brown bark. Leaves 2 to 5 inches long, ]/ 2 as wide. Flowers white, 

 en slender pedicels 2]/, inches long, collected into a sort of unibcl. Fruit small, 

 red, thin, and sour flesh. 



4. C. PUMILA, Michx. Dwarf Cherry. Sand Cherry. 



i-n-.cotli depressed and trailing; leaves obovate lanceolate, acute or obtuse, serru- 

 late, smooth, glaucous beneath; umbels sessile, few-flowered ; drupe ovoid. 



Gravelly .-oils. May. A small trailing shrub, with ascending branches 1 to 2 

 f -et high." Flowers white, 3 to 5 in each umbel; pedicels smooth, 1 inch long. 

 Fruit boiuII, dark-red, acid, agreeable to the taste. 



CULTIVATED EXOTIC SPECIES. 



5. C. VULGARIS, Mill. Red or Sour Cherry. 



Branches spreading; leaves orate, lanceolate or obovate, acute at apox, mostly 

 narrowed at base, smootlii-h ; umbels sub-sessile; powers rather preceding the 

 leaves; fruit globose ; pclicds rather short. A tree 12 to 20 feet high, with a> 

 roundish compact head. Flowers white, 2 to 3 from each bud appearing in April . 

 Fruit large, various shades of red and brown, acid or sub-acid ]/ 2 *° % i Dcn * n 

 diameter. There are about 50 varieties of this species cultivated in the United 

 States, 



6. C. Avium, Moench. English Cherry. Black- Cherry. 

 Sweet Cherry. Bleeding-heart. Ox-heart. Duke Cherry. 



Branches erect or ascending ; leases oblong or obovate, acuminate, doubly and 

 rather coarsely serrate-dentate, smooth above, pilose beneath ; umbels sessile ; 

 flowers scarcely preceding the leaves ; fruit roundish-ovoid, or sub-cordate at base ; 

 pedicels drooping. A common cultivated tree 20 to 50 feet high with an oblong or 

 pyramidal head. Leaves 3 to 6 inches long, }4 as wide, on petioles 1 to 2 inchea 

 long, often with 2 glands. Flowers white. Fruit various shades of red, black os 

 mottled, firm and fleshy, generally sweet. Varieties numerous. 



3. PERSICA. Tourn. Peach. Nectarine. 



Named from Persia its native country. 



Calyx 5-cleft, tubular, deciduous. Petals 5. Drupe 

 fleshy, tomentose or smooth. Stone somewhat compressed, 

 ovate, acute, rugosely furrowed and perforated on the sur- 

 face. — Small trees. Leaves coneluplicate in aestivation. 



1. P. vulgaris, Mill. Common Peach. 



Leaves lanceolate, serrate, with all the serratures acute; flowers solitary, sub- 

 sessile, preceding the leaves; drupe tomentose. A common cultivated tree or 

 fhrub 8 to 15 feet high. Leaves 3 to 5 inches long, % as wide, smooth ; petioles 

 fhort with 1 or 2 glands. Flowers rose-color. Fruit large, 1 to 2% inches in 

 diameter, yellowish, tinged with purple, densely tomentose. Numerous varieties 

 cf this delicious fruit are now cultivated in the United States. 



2. P. L^vis. Nectarine. 



A tree closely resembling the peach in form, foliage and flowers. The fruit Is 

 1 to 3 inches in diameter, smooth, yellow, purple, red, &c. Native of Tersia* 



