128 ROSACKJE. (ROSE FAMILY.) 



smooth, 8- 5-flowered; styles 4-r>; fruit large, globose, red. — Varies (C. lu- 

 cida, i'.ll.) with smaller (l'), thinner, and smooth leaves, which are glossy above. 

 — Margin8 Of pine-barren ponds, Florida to South Carolina, and westward. 

 March and April. — A small tree. Leaves 2' - 3' long. Fruit juicy, edible. 



9. C. flava, Ait. Glandular; leaves cuneate-obovate, senate and slightly 

 lobed near the apex, smooth, tapering into a short petiole; corymbs smooth, 

 1 -4 -flowered ; styles 4-5 ; flowers and pear-shaped fruit large. — Shady sandy 

 places. Florida to North Carolina, and westward. May. — Tree 15°-20° high. 



Leaves 2'-3' Ion-. Fruit greenish-yellow. 

 io. C. glandulosa, Michx. Branchlets, leaves, and corymbs whitened 



with soft hairs ; leaves opaque, cuneate, entire or glandular-serrate, tapering into 

 a slender petiole, becoming Bmoothish ; those on the young brunches often spar- 

 ingly lobed; corymbs 3-C-Howcred, unilateral ; styles 5 ; fruit small, globose, 

 red. (C. elliptica, Ait-) — Dry pine barrens, Florida to South Carolina, and 

 westward. April. — A small tree, with coarse hark, and long reeurved branches. 

 Leaves 1' long- Fruit 3" -4" long. 



11. C. parvifolia, Ait. Leaves ohovate, scarcely petioled, serrate, the 

 lower surface, like the branchlets ami calyx, pubescent ; spines numerous, long 

 and slender; flowers mostly solitary ; calyx-lobes large, serrate ; styles 5; fruit 

 large, globose or pear-shaped, somewhat hairy. — Sandy soil, Florida to Missis- 

 sippi, and northward. April and May. — A much branched shrub, 3° -5° high. 

 Leaves 1' long. 



16. PYRUS, L. Pear. Apple. 



Calvx urn-shaped, 5-cleft. Petals 5. Stamens numerous. Styles 2-5. Fruit 

 fleshy or baccate, containing 2-5 cartilaginous, 2 seeded carpels. — Trees or 

 shrubs. Flowers cymOSC or corymbose. 



* Leaves siwjrfe, glandular : fruit <h pressed at the base. 



1. P. COl'Onaria, L. Leaves on long and slender petioles, ovate, round- 

 ed, or slightly cordate at the ba-e, angled or lobed, serrate, smooth ; corymbs 

 simple, few-flowered : flowers rose-color, very fragrant ; styles woolly and united 

 at the base. — Rich soil in the upper districts, Mississippi to North Carolina, and 

 northward. April — A small trie. Leaves 2' -3' long. 



2. P. angustifolia, Ait. Leaves lanceolate or oblong, acute at the base, 



short-petiolcd ; corymbs simple, few-flowered; dowers rose-color, very 

 fragrant: styles smooth, distinct — Open woods, Florida to Mississippi, and 



northward. April. — A -mall tree. Fruit very sour. 



* * [suns simjili . the midrib glandular above: fruit baccate, aldxyse. 



3. P. arbutifolia, I. Leaves oval-oblong or somewhat obovate, abruptly 

 ■cute or mucronate, smooth above, except the midrib, finely serrate ; styles vil- 

 IOtU at the '>.!-<■ 



v... erythrocarpa. Stem tall (.*) o -l0°); branchlets, cymes, and lower 

 surface of the large ('-" 4') leaves tomentose ami hoary ; petals and anthers red 

 di h ; Ik up I red (Aroma arbutifolia, Eli) 



