FRICACEAE. 295 
Vaccinium. Blueberry. Cranberry. 
(Family Ericaceae). 
Shrubs, usually under 1 m. high, 
exceptionally trailing or subar- 
borescent: deciduous, or partly 
evergreen in the south, or some 
species evergreen. Twigs slender. 
very obscurely 3- or 5-sided or 
distinctly angled: pith small, 
nearly round, continuous. Buds 
small or minute, solitary, sessile, 
with 2 apparently valvate scales 
or the larger with same half-dozen 
scales, the end-bud deciduous. 
Leaf-scars alternate, small or 
minute, half-round or crescent- 
shaped, somewhat elevated: 
bundle-trace 1: stipule-scars lack- 
ing. 
Winter-character references: — 
Vaccinium Myrtillus. Bosemann, 
36; Schneider, f. 95. V. Oxycoccus. 
Bosemann, 36; Fant, 50. V. uligi- 
nosum. Bosemann, 36; Schneider, f. 95. V. Vitis-idaea. Bose- 
mann, 36; Fant, 49, f. 55. Vacciniwm comprises the very 
different groups of trailing cranberries, sometimes segregated 
under the generic name Oxycoccus, low-bush cranberries, for 
which the name Vitis Idaea has been used, tree huckleberries, 
sometimes called Batodendron, squaw huckleberries, Polyco- 
dium, mountain cranberries, which Small segregates under 
the name Hugeria, and blueberries. 
1. Trailing evergreens: leaves small (scarcely 5X15 mm.). 2. 
Bushy, tufted. 4. 
2. Leaves entire, rather elliptical. (Cranberries). 3. 
Leaves serrate, somewhat ovate. (1). V. crassifolium. 
