128 ROSACES. (ROSE FAMILY.) 



smooth, 3-5-flowered; styles 4-5; fruit large, globose, red. Varies (C. lu- 

 cida, Ell.) with smaller (!'), thinner, and smooth leaves, which are glossy above. 

 Margins 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, serrate 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' long. Fruit greenish-yellow. 



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

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

 a slender petiole, becoming smoothish ; those on the young branches often spar- 

 ingly lobed ; corymbs 3 - 6-flowered, 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 bark, and long recurved branches. 

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



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

 lower surface, like the branchlets and 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. 



Calyx 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 cymose or corymbose. 



* Leaves simple, glandular : fruit depressed at the base. 



1. P. coronaria, L. Leaves on long and slender petioles, ovate, round- 

 ed, or slightly cordate at the base, angled or lobed, serrate, smooth ; corymbs 

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

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

 northward. April . A small tree. Leaves 2' - 3' long. 



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

 serrate, short-petioled ; corymbs simple, few-flowered ; flowers rose-color, very 

 fragrant ; styles smooth, distinct. Open woods, Florida to Mississippi, and 

 northward. April. A small tree. Fruit very sour. 



* * Leaves simple, the midrib glandular above : fruit baccate, globose. 



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

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

 lous at the base. 



Var. erythrocarpa. Stem tall (5 -10); branchlets, cymes, and lower 

 surface of the large (2' -4') leaves tomentose and hoary ; petals and anthers red- 

 dish ; berries red. (Aronia arbutifolia, Ell.) 



