VACCINIACEAE. (Vou. II. 
7. Vaccinium atrocéccum (A. Gray) Heller. Black Blueberry. (Fig. 2789.) 
Vaccinium disomorphum Bigel. F1. Bost. Ed. 2, 
151. 1824. Not Michx. 1803. 
Vaccinium corymbosum var. alrococcum A. 
Gray, Man. Ed. 5, 292. 1867. 
V.atrococcum Heller, Bull. Torr.Club,21; 24. 1894. 
A branching shrub with shreddy bark, 
3°-10° high, similar to the two preceding 
species, the branches green, minutely warty, 
the young twigs pubescent. Leaves oval or 
oblong, dark green above, light green and 
densely pubescent beneath even when old, 
entire, usually acute at both ends, mucron- 
ate, thick, 114/-3/ long, 14’-134’ wide; flow- 
ers in short racemes, appearing with the 
leaves, about the length of their slender pedi- 
cels; bracts and bractlets caducous; calyx 5- 
lobed; corolla short-cylindric or ovoid, pink 
or red, 2//-3/’ long, about 134’ thick, 5- 
toothed, constricted at throat; berry black, 
without bloom, sweet, 3/’-5’’ in diameter. 
In swamps and wet woods, New Brunswick 
and Ontario to New Jersey and Pennsylvania. 
May-June. Fruit ripe July-Aug. 
8. Vaccinium Canadénse Richards. 
Canada Blueberry. (Fig. 2790.) 
V. Canadense Richards, App. Frank. Journ. 2,12, 1823. 
A low pubescent branching shrub, 6/—-2° high. 
Leaves oblong, oblong-lanceolate or narrowly ellip- 
tic, pubescent, at least beneath, entire, acute at 
the apex, narrowed at the base, 1/-1 14’ long, 4//-6’” 
wide; flowers few in the clusters, which are some- 
times numerous on naked branches, appearing with 
the leaves; pedicels usually shorter than the flow- 
ers; corolla oblong-campanulate, greenish white, 
about 2’ long and 114’ thick; berry blue witha 
bloom (rarely white), sweet, 214//-3/ in diameter. 
In moist places, Labrador to the Northwest Territory, 
south in the mountains to Virginia, and to Illinois and 
SY 
iS STN 
| FRR 
Fruit ripe July-Aug. 
g. Vaccinium Pennsylvanicum Lam. 
Dwarf, Sugar or Low-bush Blue- 
berry. (Fig. 2791.) 
V. Pennsylvanicum Yam. Encycl. 1:74. 1783. 
A low branching shrub, 6/-2° high, similar to 
the preceding species, but with green warty 
branches and nearly or quite glabrous through- 
out. Leaves oblong or oblong-lanceolate,’green 
and glabrous on both sides or slightly pubescent 
on the veins beneath, sharply serrulate, acute at 
both ends, 9/’-18’ long, 3/’-6’’ wide; flowers 
_few in the clusters, longer than the very short 
pedicels; corolla oblong-campanulate, slightly 
constricted at the throat, 2’/-214’/ long, about 
14’ thick, white or pinkish; berry blue with’a 
bloom, very sweet, 3/’-5’’ in diameter. 
In dry, rocky or sandy soil, Newfoundland to the Northwest Territory, south to southern New 
Jersey, Illinois and Michigan. 
Vaccinium Pennsylvanicum angustifolium (Ait.) A. Gray, Man. 261. 1848. 
Vaccinium angustifolium Ait. Hort. Kew. 2:11. 1789. 
Leaves narrower, 1/'-1%4'’ wide. 
Quebec to the north shore of Lake Superior and arctic America. 
Fruit ripe June-July. The early market blueberry. 
: 9 : : 
Summits of the White Mountains, and the Adirondacks; 
