140 ROSACEiE. (kOSE FAMILY.) 



.styles iiioslly 3 ; fruit dull roil, glohose, i' wide, duttcil. — Near watercourses 

 in the ujija-r districts. April- May. 



11. C. COlliua, Cliapiii. Braiichlels, leaves, and cnryuilis ajipressed- 

 pubeseeut, suoM glai>rous ; leaves I' -2' luug, obovate, iKUte, finely but ob- 

 tusely serrate, tapering into a short petiole ; Howers £' wide ; calyx lobes 

 lauccolale, glandular, longer tiiau the tulxj ; styles 3; fruit globular, .J' iu 

 dianietet. — Rocky hillsides, >.'orth Cieorgia and Teuuessee. April. — A 



small tree. 



* * Curyiiiis siiiijilt, I - G-jlutcired. 



12. C. SBStivalis, Torr. & (iray. (ilandle.ss ; leaves rigid, pubescent, be- 

 coming smooth ai>ove, and rusty-j>ubescent on the veins beneath, cuneate- 

 obovate, crenate above the middle, tajiering into a short petiole ; corymbs 

 smooth, 3-5-flowered ; styles 4-5; fruit large, glol)ose, red. — Varies (C. lu- 

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

 above. — Margius of piue barreu ponds, Florida to South Carolina, aud west- 

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

 edible. 



13. C. flava, Ait. Glandular; leaves cuneate-obovate, serrate and slightly 

 lobcd near the apex, smootli, tapering into a short petiole ; corynd)S smooth, 

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

 sandy places, Florida to North Corolina, and westward. May. — Tree 15°- 

 20° high. Leaves 2' - 3' long. Fruit greenish yellow. 



14. C. glandulosa, Mi<hx. Branchlets, leaves and corymbs whitened 

 \vith soft iiairs ; leaves oj)a(|ne, cuneate, entire or glandular-serrate, tapering 

 into a slender petiole, becoming smoothish ; those on the young branches 

 often sparingly lobed ; corymbs 3 - 6-flowered, unilateral ; styles .5 ; fruit 

 small, globose, red. — Dry pine barrens, Florida to South Carolina, and west- 

 ward. April. — A small tree, with coarse bark, and long recurved branches. 

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



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

 lower surface, like the Ijrajichlets and calyx, pubescent ; spines numerous, 

 long and slender ; flowers mostly solitary; calyx lolies large, serrate ; styles 

 5 ; fruit large, globose or pear-shaped, somewhat hairy. — Sandy soil. April 

 -May. — A much branched shrul), 3° -5° high. Leaves I' long. ' 



17, 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. 



* Lcdi-es 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 lol)ed, serrate, smooth ; corymbs 

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

 united at the base. — Rich soil in the upper districts. i\pril. — A small tree. 

 Leaves 2' - 3' long. 



