EOSACEiE. (rose FAMILY.) 159 



4. R. bltoda, Ait. (Eaelt Wild-Rose.) Nearly unarmed, or with 

 scattered straight deciduous prickles (l°-3° high) ; leaflets 5-7, oval or oblong, 

 obtuse, pale on both sides and minutely downy or hoary beneath, serrate ; stipules 

 large ; flowers 1-3, the peduncles and calyx-tube smooth and glaucous ; fruit glo- 

 bose, crowned with the persistent erect and connivent entire calyx-lobes. — 

 Rocks and banks, Vermont to Penn. and Wisconsin, chiefly northward. May, 

 June. — Petals light rose-color. 



5. R. kueigin6sa, L. (Sweet-Beier.) Climbing high; pricUes numer- 

 ous, the larger ones strong and hooked, the smaller awl-shaped ; leaflets doubly serrate, 

 rounded at the base ; downy and clothed with _^a^an< russet glands beneath ; fruit 

 pear-shaped or obovate, crowned unth the mostly persistent calyx-lobes, — Roadsides 

 and thickets. June - Aug. (Nat. from Eu. ) 



6. R. MicKiNTHA, Smith. (Smaller-fl. S.) Prickles uniform and hooked; 

 fruit elliptical and ovate; calyx-lobes deciduous; flowers smaller : otherwise as the 

 last : probably a mere variety. — E. New England. (Nat. from Eu.) 



16. CRATiEGUS, L. Hawthorn. White Thorn. 



Calyx-tube uni-shaped, the limb 5-cleft. Petals 5, roundish. Stamens many, 

 or only 10-5. Styles 1-5. Pome drupe-like, containing 1 - 5 bony 1-seeded 

 stones. — Thorny shrubs or small trees, with simple and mostly lobed leaves, 

 and white (rarely rose-colored) blossoms. (Name from Kparos, strength, on ac- 

 count of the hardness of the wood. ) 



« Corymbs many-flowered. 

 ■I- Fndt very small, depressed-globose {not larger than peas), bright red: flowers 

 small : calyx-teeth short and broad: styles 5 ; plants glabrous (except No. 1) and 



1. C. PtracAntha, Pers. (Evergreen Thorn.) Leanes evergreen, shin- 

 ing (1' long), oblong or spatulate-lauceolate, crenulate; the sliort petioles and 

 young branchlets pubescent ; corymbs small. — Shrub, spontaneous at Wash- 

 ington, and near Philadelphia, Isaac Martindale. (Adv. from Eu.) 



2. C. spathul^ta, Miehx. Leaves thickish, shining, but deciduous, spatu- 

 late or oblanceolate, with a, long tapering base, crenate above, rarely cut-lobed, 

 nearly sessile. — Virginia and southward. May. — Shrub 10° - 15° high. 



3. C. cordkta, Ait. (Washington Thorn.) Leaves broadly ovate or 

 triangular, mostly truncate or a little heart-shaped at the base, on a slender 

 petiole, variously 3 - 6-clefl or cut, serrate. — Virginia, Kentucky, and southward. 

 June. — Trunk 15° -25° high. 



-I--I- Fruit small (i' - IJ' long), ovoid, deep red: flowers rather large : styles 1-3. 



4. C. OxtacAntha, L. (English Hawthorn.) Smooth; leaves obovate, 

 cut-lobed and toothed, wedge-form at the base ; calyx not glandular. May. — 

 More or less spontaneous as well as cultivated. (Adv. from Eu.) 



5. C. apiifolia, Michx. Softly pubescent when young; leaves roundish, 

 with a broad truncate or slightly heart-shaped base, pinnatehj 5-7-cleft, the 

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

 glandular-toothed, slender. — Virginia and southward. March, April. 



