ERICACEAE. 



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. uliyi- 



nosum. Bosemann, 36; Schneider, f. 95. V. Vitis-idaea. Bose- 

 mann, 36; Fant, 49, f. 55. Vaccinium 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. 



