ROSACE.*:, (kosk family.) IC)0 



17. CRATiSGUS, L. IIawtmoks. Whiti: Tiiokn. 

 Calyx-tuhe urn-shaped, the limh r)-cleft. IVtals 5, roundish. Stanien.s many, 

 or only 10-.5. Styles 1-.5. Pome drupe-like, eon tain in j.^ 1-5 lionv 1-seeded 

 stones. — Thorny shrul)s or small trees, with simple and mostly lohod leaves, 

 and white (rarely rose-colored) hlossoms (Name from Kparoi, strenyth, ou 

 account of the hardness of the wood.) 



* Cori/mlts manij-Jlowered. 

 -1- Fruit small, depressed-fjlohose {not larger than peas), bright red ; flowers mostly 

 small ; cahjx-teeth short and broad (except in n. 3) ; sti/les 5 ; glabrous {ex- 

 cept C. Pyracantha) and glandless. 



C. PyracAxtiia, Pers. (Evergueen Thorn.) Leaves evergreen, sliiniiif^ 

 (r long), uhloiig or S])atulate-lanceolate, crennl i. ■ ; the short j>etioles ami 

 young branchlets pubescent; corymbs smiii. — Shrub, spontaneous near 

 Washington and Philadelphia. (Adv. from Lu.) 



1. C. spathulata, Michx. Shrub or tree, 10-25° high; leaves thickish, 

 shining, deciduous, spatulate or oblanceolate, with a long tapering base, crenate 

 above, rarely cut-lobed, nearly sessile. — Va. to Fla., west to Mo. and Tex. 



2. C. COrd^ta, Ait. (Washingtox Thokx.) Trunk 15-25° high; 

 leaves broadly ovate or triangular, mostly truncate or a little heart-shaped at 

 the base, on a slender petiole, variously 3-o<leJl or cut, serrate. — Va. to Ga, 

 in the mountains, west to Mo. 



3. C. viridis, L. A small tree, often unarmed ; leaves ovate to ovate- 

 oblong or lanceolate, or obloug-oI)Ovate, mostly acute at both ends, on slender 

 petioles, acutely serrate, often somewhat lobed, and often downy in the axils ; 

 flowers larger, numerous ; fruit brigiit red or rarely orange. (C. arborescens. 

 Ell.) — Mississippi bottoms from St. Louis to the Gulf, and from S. Car. to Tex. 

 ■*- -I- Fruit small (i- J' long), ovoid, deep red ; flowers rather large ; styles 1 -3. 



C.OxYACAXTHA, L. (ExGLiSH Hawtiiorx.) Smooth ; leaves obovate,cut- 

 lobed and toothed, wedge-form at tlie base ; calyx not glandular. More or less 

 spontaneous as well as cultivated. (Adv. froni Eu.) 



4. C. apiif olia, ^Michx. Softly pubescent when young ; leaves roundish, 

 with a broad truncate or slightly heart-shaped base, pinnately 5 - l-cleft, the 

 crowded divisions cut-lobed and sharply serrate; petioles slender; calyx-lobes 

 glandular-toothed, slender. — S. Va. to Fla., west to Mo. and Tex. 



-»- -t- -^ Fruit large (^-V long), red ; flowers large; styles and stones even in 

 the same s})eries 1-3 {when the fruit is ovoid or pear-shaped) or 4-5 {in (/lobu- 

 lar fruit): stipides, calyx-teeth, bracts, etc., often beset ivith glands ; shrubs 

 or low trees. [Species as characterized by Prof. C. S. Sargent.] 



5. C. COCCinea, L. Branches reddish; spines stout, chestnut-brown; 

 villou.s-pubescent on the shoots, glandular peduncles, and calyx ; leaves on 

 slender petioles, thin, pubescent beneath or often glabrous, round-ovate, cu- 

 neate or subcordate at base, acutely glandular-tootiied, sometimes cut-lobed; 

 flowers Y hroad ; fruit coral-red, globose or obovate, ^' broad. — Xewf. to Minn, 

 and southward. — Var. macracAntiia, Dudley ; spines longer ; leaves thicker, 

 cuneate at base, on stout petioles, often deeply incised ; cymes broader ; flow- 

 ers and fruit rather larger. — From the St. Lawrence and E. Mass. to Minn. 



Var. in611is, Torr. &. Gray. Shoots densely ])ubescent ; leaves large, 

 slender-petioled, cuneate, truncate or cordate .at base, usually with acute narrow 



