262 
ERICACEjE. (HEATH FAMILY.) 
slightly pointed, pale and dully smooth both sides , glaucous beneathy 
serrulate-ciliate ; corolla broadly cylindrical-bell-shaped. (V. virga- 
tum, Bigel.y not of Ait. V. Pennsylvanicum, Torr. FI.) — Dry hills 
and open woods, common. — Branches yellowish-green. Leaves 
fringed with bristly or glandular hairs, which tip the more or less 
obvious serratures. Berries ripening a little later than those of No. 7, 
fully as large and sweet. 
10. V. pallidum, Ait. (Pale Swamp Blueberry.) Bath¬ 
er tall; leaves ovate or lanceolate-oval , acute or pointed , smooth both 
sides (sometimes downy on the midrib), pale or glaucous undcrneathy 
serrulate-ciliate; corolla cylindrical-bell-shaped. — Margin of swamps 
and ponds (or on mountains), Vermont and Ohio and southward.— 
Plant 3°-8° high; the twigs with yellowish-green bark as in the last; 
the leaves even more strongly ciliate with bristly teeth, by which 
principally it is to be distinguished from the next. 
11. V. corymbosum, L. (Common Swamp Blueberry.) 
Tall ; leaves smooth both sides (when young somewhat dowmy on the 
veins) pale beneathy oval-obovate or oblongy mostly acute or acutish at 
both ends, the margins quite smooth and entire ; corolla cylindraceous. 
Swamps and wet copses, common. — Plant 5 0 -l(P high; the 
clusters of flowers somewhat corymbed on the naked branchlets, 
whence the name. Corolla £'long. Berries large, subacid, pleas¬ 
ant, deep blue, covered, like all the foregoing, with a glaucous 
bloom; ripening in Aug. and Sept. 
12. \. fuse a turn. Ait. (Black Blueberry.) Tall; leaves 
downy beneath and also usually on the veins above, otherwise, like the 
flowers, as in No. 11; berry purplish-blacky destitute of bloom. (V. 
disomorphum, Bigel.y not of Michx.) —Swamps, common.—Stem 5° 
-*P high. Leaves 2' -3 f long when full-grown, at length thickish 
and somewhat shining above, but always soft-downy underneath. 
Berry crowned with very conspicuous calyx-teeth. — The plant ap¬ 
pears to be perfectly constant in these characters. 
RENTES, Salisb. Creeping Snowberry. 
Corolla broadly bell-shaped, deeply 4-cleft. Stamens 8, includ¬ 
ed, inserted on the margin of the even epigynous disk : filaments 
very short and broad: anther-cells ovate-oblong, quite separate, 
not awned on the back, but minutely 2-awned at the apex, and 
opening by a large chink down to the middle. Berry white, glob" 
ular, crowned with the 4-toothed calyx, rather dry, 4 -celled, 
many-seeded. — A trailing and creeping evergreen, with very 
slender and scarcely woody stems, and small Thyme-like ovate 
and pointed leaves on short petioles, with revolute margins, 
