312 ERICACE^. (heath FAMILY.) 



2. VACCINIUM, L. Blueberry. Bilberry. Cranberry. 

 Corolla various iu shape; the limb 4-5-cleft, revolute. Stamens 8 or 10; 

 anthers sometimes 2-awned on the back ; the cells separate and prolonged up- 

 ward into a tube, opening by a hole at the apex. Berry 4-5-celled, many-seeded, 

 or sometimes 8 - 10-celled by a false partition stretching from the back of each 

 cell to the placenta. — Shrubs with solitary, clustered, or racemed flowers; the 

 corolla white or reddish. (Ancient Latin name, of obscure derivation.) 



§ 1. BATODENDKON. Corolla open-cainpanutate, 5-lobed ; anthers xvith long 

 tubes, and 2-aivned on the back; berrij {hardly edible) spuriously lO-celled ; 

 leaves deciduous but firm; flowers solitary or in leafy-bra cted racemes, 

 slender-pedicelled. 



1. V. arboreum, Marshall. (Farkle-berry.) Tall (6-25° high), 

 smoothish ; leaves obovate to oblong, entire or denticulate, mucronate, bright 

 green, shining above, at the south evergreen; corolla white; anthers included; 

 berries black, globose, small, many-seeded. — Sandy soil, S. 111. to Tex., ila., 

 and N. C. 



2. V. stamineum, L. (Deerberry. Squaw Huckleberry.) Dif- 

 fusely branched (2-3° higli), somewhat pubescent; leaves ovate or oval, pale, 

 glaucous or whitish underneath ; corolla greenish-white or purplish ; anthers 

 much exserted ; berries greenish or yellowish, globular or pear-shaped, large, 

 few-seeded. — Dry woods, IMaine to Minn., south to Fla. and La. 



§ 2. CYAN0C6CCUS. (Blueberries.) Corolla cylindraceous to campan- 

 ulate, 5-toothed ; filaments hairy; anthers included, aivnless ; berry (siveet 

 and edible) blue or black icith bloom, completely or incompletely lO-celled ; 

 flowers in fascicles or short racemes, short-pedicelled, appearing from large 

 scaly buds with or before the leaves. 



* Corolla cylindraceous when developed. 



3. V. virgatum, Ait. Low, more or less pubescent ; leaves ovate-oblong 

 to cuneate-lanceolate, usually acute and minutely serrulate, thinnish, shining 

 at least above ; flower-clusters sometimes virgate on naked branches ; corolla 

 rose-color ; berry black. — In swamps, south of our range, but represented by 



Var. tenellum, Gray. Low form, mostly small-leaved, with smaller 

 nearly white flowers in shorter or closer clusters. — Va. to Ark., and southAvard. 

 * * Corolla shorter and broader. (Blueberries or Blue Huckleberries.) 



4. V. Pennsylvanicum, Lam. (Dwarf Blueberry.) Dwarf (6- 

 15' high), smooth, with green warty stems and branches; leaves lanceolate or 

 oblong, distinctly serrulate icith bristle-pointed teeth, smooth and shining both sides 

 (or sometimes downy on the midrib underneath); corolla short, cylindrical- 

 bell-shaped ; berries bluish-black and glaucous. — Dry hills, N. J. to 111., north 

 to Newf . and Sask. The lowest and earliest ripened of the blueberries. — Var. 

 angustif6lium. Gray; a dwarfer high-mountain or northern form, Avith nar- 

 rower lanceolate leaves. — AVhite Mts. of N. H., Newf., and far north^vard. 



5. V. Canad6nse, Kalm. Low (1-2° high) ; leaves oblong-lanceolate or 

 elliptical, entire, downy both sides, as well as the crowded branchlets ; corolla 

 shorter ; otherwise as the last. — Swamps or moist woods, N. New Eng. to 

 mountains of Penn., 111., Minn., and northward. 



