166 ROSACEA, (rose family.) 



lobes, often subscabrous above, more or less densely pubescent beneath ; flow- ' 

 ers 1' broad, in broad cymes; fruit bright scarlet with a light bloom, 1' broad. 

 (C. tomentosa, var. mollis. Gray. C. subvillosa, Schrad.) — E. Mass. to Mo. 

 and Tex. Sometimes 20 - 30° high, blooming two weeks before the type. 



6. C. tomentosa, L. Branches gray, rarely with stout gray spines ; 

 shoots, peduncles, and calyx villous-pubescent ; glands none ; leaves large, 

 pale, prominently veined, densely pubescent beneath, ovate or ovate-oblong, 

 sharply serrate, usually incisely lobed, contracted into a margined petiole ; 

 flowers small, ill-scented; fruit dull red, obovate, rarely globose (-|' broad), up- 

 right. — Western N. Y. to Mich., Mo., and Ga. In flower 2-3 weeks after n. 5. 



7. C. punctata, Jacq. Branches horizontal ; glands none ; leaves smaller, 

 mostly wedge-obovate, attenuate and entire beloAV, unequally toothed above, 

 rarely lobed, villous-pubescent becoming smooth but dull, the many veins more 

 impressed, prominent beneath; fruit globose (1' broad), red or bright yellow. 

 (C. tomentosa, var. punctata, Graj/.) — Quebec to Ont. and south to Ga. 



8. C. Crus-galli, L. (Cockspur Thorn.) Branches horizontal, with 

 slender thorns often 4' long; glabrous ; leaves thick, dark green, shining above, 

 icedge-obovate and oblanceolate, tapering into a very short petiole, serrate above 

 the middle; fruit globular, dull red (^' broad). — Thickets, common. 



* * Corymbs simple, feiv- (1 -%-) flowered ; calyx, bracts, etc., glandidar. 



9. C. fiava, Ait. (Summer Haw.) Tree 15-20° high, somewhat pu- 

 bescent or glabrous; leaves wedge-obovate or rhombic-obovate, narrowed into a 

 glandular petiole, unequally toothed and somewhat cut above the middle, rather 

 thin, the teeth glandidar ; styles 4 - 5 ; fruit somewhat pear-shaped, yellowish, 

 greenish, or reddish {Y broad) — Sandy soil, Va. to Mo., and southward. 



Var. pubescens, Gray. Downy or villous-pubescent when young ; leaves 

 thickish, usually obtuse or rounded at the summit; fruit larger (f broad), 

 scarlet or sometimes yellow. — Va. to Fla. 



10. C. parvifolia, Ait. (Dwarf Thorn.) Shrub 3-6° high, downy; 

 leaves thick, obovate-spatulate, crencte-toothed (i-H' long), almost sessile, the 

 upper surface at length shining ; flowers solitary or 2 - 3 together on very short 

 peduncles ; calyx-lobes as long as the petals ; styles 5 ; fruit globular or pear- 

 shaped, yellowish. — Sandy soil, N. J. to Fla. and La. 



18. AMELANCHIER, Medic. JuNE-BERRr. 



Calyx 5-cleft ; lobes downy within. Petals oblong, elongated. Stamens- 

 numerous, short. Styles 5, united below. Ovary 5-celled, each cell 2-ovuled; 

 but a projection grows from the back of each and forms a false cartilaginous 

 partition; the berry-like pome thus 10-celled, with one seed in each cell (Avhen 

 all ripen). — Small trees or shrubs, with simpie sharply serrated leaves, and 

 white racemose flowers. (Amelancier is the name of A. vulgaris in Savoy.) 



1. A. Canadensis, Torr. & Gray. (Shad-bush. Sertice-berry.) A 

 tree 10-30° high. nearly or soon glabrous; leaves ovate to ovate-oblong, usu- 

 ally somewhat cordate at base, pointed, very sharply serrate, 1 - 3^' long ; bracts 

 and stipules very long-silky-oiliate ; flowers large, in drooping nearly glabrous 

 racemes ; petals oblong, 6 - 8" long ; fruit on elongated pedicels, globose, crim- 

 son or purplish, sweet and edible. (Var. Botryapium, Torr. fj- Gray.) — Dry 

 open woodlands; Xewf. to Fla.,Avest to Minn., E. Kan., and La. Fruit ripen- 



