Vou. II.] HUCKLEBERRY FAMILY. 579 
to. Vaccinium nigrum (Wood) Britton. 
Low Black Blueberry. (Fig. 2792.) 
Vaccinium Pennsylvanicum var. nigrum Wood, 
Bot. & Flor. 199. 1873. 
V. nigrum Britton, Mem. Torr. Club, 5: 252. 1804. 
Similar to V. Pennsylvanicum and often grow- 
ing with it, 6-12’ high, the twigs glabrous. 
Leaves oblong, oblanceolate or obovate, acute 
at the apex, narrowed or rounded at the base, 
finely serrulate, very nearly sessile, 15’-1’ long, 
3//-6’’ wide, glabrous on both sides, green above, 
pale and glaucous beneath; flowers few in the 
clusters, longer than their pedicels; corolla glo- 
bose-ovoid, very little constricted at the throat, 
white or cream color, about 2’ long, 114’ thick; 
berry black, without bloom, about 3’ in diameter. 
In dry rocky soil, Massachusetts to New Jersey, 
Pennsylvania and Michigan. Blooms earlier than 
V. Pennsylvanicum. May. Fruit ripe in July. 
By 
11. Vaccinium vacillans Kalm. Low Blueberry. Blue Huckleberry. 
Fig. 2793.) 
y V. vacillans Kalm; Torr. Fl, N. Y. 1: 444. 1843. 
Ny LZ A stiff branching shrub, 6/-4° high, with 
iJ glabrous yellowish-green warty branches 
and twigs. Leaves obovate, oval, or broadly 
oblong, acute or obtuse and usually mucron- 
ulate, narrowed or rounded at the base, firm, 
glabrous on both sides, entire, or sparingly 
serrulate, pale, glaucous and finely reticu- 
late-veined beneath, 1/-214’ long, %/-1\/ 
wide; flowers several or few in the clusters 
which are sometimes racemose on naked 
branches, longer than or equalling their 
pedicels; corolla oblong-cylindric, somewhat 
constricted at the throat, pink, 2//-3/’ long, 
114//-2/’ thick; berry blue with a bloom, 
sweet, 2/’-314/’ in diameter. 
In dry soil, Maine (?) and New Hampshire to 
Ontario and Michigan, south to North Carolina 
, : and Missouri. May-June. Fruitripe July-Aug. 
12. Vaccinium pallidum Ait. Pale or Mountain Blueberry. (Fig. 2794.) 
V. pallidum Ait. Hort. Kew. 2:10. 1789. 
Vaccinium corymbosum var. pallidum A. Gray, 
Man. Ed. 5, 292. 1867. 
A branching shrub, 2°-8° high, with gla- 
brous green warty twigs. Leaves oval, ovate 
or oblong, rather thin when mature, acute 
or acuminate, narrowed or rounded at the 
base, short-petioled, glabrous and light green 
above, pale and slightly glaucous or some- 
times pubescent on the veins beneath, serru- 
late, 1’-3/ long; flowers several or numerous 
in the clusters, about equalling their slender 
pedicels; corolla oblong-cylindric to urceo- 
late, slightly constricted at the throat, green- 
ish-pink, 2/7-2%/’ long, 1134//-2/’ thick; 
berry blue, 4’’-6’’ in diameter, delicious. 
In woods, mountains of Virginia to South 
Carolina. Fruit superior to all other blue- 
berries. May-June. Berries ripe July-Aug. 
