1G4 ROSACE.E. (rose FAMILY.) 



natifitl, deciduous ; fruit oblong-ovate to nearly globular. — Roadsides, E. Penn., 

 Teuu., etc. (Int. from Eu.) 



il. RUBiGi]s6sA, L. (Saveetbrier. Eglantine.) Resembling the last, 

 but of more compact habit, the leaflets denselij resinous beneath and aromatic, 

 and doubh/ serrate : the short pedicels and pinnatifid sepals hispid. (Inch 

 R. micrantha, Smith; less aromatic, with oblong fruit and glabrous styles.) 

 — N. Scotia and Out. to S. C. and Tenn. (Int. from Eu.) 



16. PYRUS, L. Pear. Apple. 



Calyx-tube urn-shaped, the limb 5-cleft. Petals roundish or obovate. Sta- 

 mens numerous. Styles 2-5. Pome fleshy or berry-like ; the 2-5 carpels or 

 cells of a papery or cartilaginous texture, 2-seeded. — Trees or shrubs, Avith 

 handsome flowers in corymbed cymes. (The classical name of the Pear-tree.) 



§ 1. mALUS (Apple). Leaves siviple; cymes simple and umbel-like; pome 

 fleshy, globular, sunk in at the attachment of the stalk. 



1. P. coronaria, L. (American Crab-Apple.) Leaves ovate, often 

 rather henvt-shtxped, cut-serrate or lobed, soon glabrous; styles ivoolly and united 

 at base. — Glades, Out. and AV. New York to N. C, west to Minn., Kan., and 

 La. May. — Tree 20° high, somewhat thorny, with large rose-colored very 

 fragrant blossoms, few in a corymb; fruit fragrant and greenish. 



2. P. angUStifolia, Ait. Resembling the last, l)Ut with leaves oblong or 

 lanceolate, often acute at base, mostly tootlied, glabrous; styles distinct. — 

 Glades, Penn. to Ela., west to S. Ind., Kan., and La. April. 



§ 2. ADENORHACHIS. Leaves simple, the midrib glandular along the upper 

 side ; ct/mes compound ; styles united at base ; fruit berry-like, small. 



3. P. arbutifdlia, L. f. (Choke-berry.) A shrub usually 1-3° high; 

 leaves oblong or ol)lanceolate, mostly acute or acuminate, finely glandular- 

 serrate, tomentose beneath'; cyme tomentose; flowers white or reddish ; fruit 

 pear-shaped, or globose when ripe, small, red or purple, astringent. — Swamps 

 and damp thickets ; common, from N. Scotia to Ela., and west to Minn., 111., 

 Mo., and La. 



Var. melanocarpa, Hook. Nearly smooth throughout, with larger black 

 fruit ; leaves usually less acute. — Of apparently the same range. 



§ 3. SORBUS. Leaves odd-pinnate, with rather numerous leaflets ; cymes com- 

 pound ; styles separate ; pome berry-like, small. 



4. p. Americana, DC (American Mountain-Ash.) Tree or tall 

 shxwh, nearly glabrous or soon becoming so; leaflets \3-lo, lanceolate, taper- 

 pointed, sharply serrate with pointed teeth, bright green ; cymes large and flat ; 

 berries globose, bright red, not larger tlian peas ; leaf-buds pointed, glabrous 

 and somewhat glutinous. — Swamps and mountain-woods, Newf. to mountains 

 of N. C, west to N. Mich, and Minn. Often cultivated. 



5. P. sambucifolia, Cham. & Schlecht. Leaflets oblonq, oval, or lance- 

 ovate, mostly obtuse or abruptly short-pointed, serrate (mostly doubly) with 

 more spreading teeth, often pale beneath ; cymes smaller ; flowers and berries 

 larger, the latter (4" broad) when young ovoid, at length globose ,• leaf-buds 

 sparingly hairy ; otherwise nearly as the preceding. — Lab. to northern N. Eng. 

 and Lake Superior, and westward. 



