ROSACE^E. (ROSE FAMILY.) 159 



4. R. blanda, Ait. (EARLY WiLr>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 13, 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. RUBIGIN6SA, L. ( SWEET-BRIER.) Climbing high; prickles numer- 

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

 rounded at the base ; downy and clothed with fragrant russet glands beneath; fruit 

 pear-shaped or obovate, crowned with the mostly persistent calyx-lobes. Roadsides 

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



6. R. MICRANTHA, Smith. (SMALLER-FL. S.) Prickles uniform and hooked ; 

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

 last : a mere variety of it. E. New England to Virginia. (Nat. from Eu.) 



16. CRATJEGUS, L. HAWTHORN. WHITE THORN. 



Calyx-tube urn-shaped, tne 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 (cparos, strength, on ac- 

 count of the hardness of the wood.) 



* Corymbs many-Jlowered. 



t- Fruit 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 

 glandless. 



1. C. PYRACANTHA, Pers. (EVERGREEN THORN.) Leaves evergreen, shin- 

 ing (!' long), oblong or spatulate-lanceolate, crenulate; the short petioles and 

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

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



2. C. spathulata, Michx. 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. cordata, Ait. (WASHINGTON THORN.) Leaves broadly ovate or 

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

 petiole, variously 3 - 5-cleft or cut, serrate. Virginia, Kentucky, and southward. 

 June. Trunk 15 -25 high. 



*-*- Fruit small (k 1 J' 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, pinnately 5-7 '-cleft, the 

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

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



