KKV TO.IHY'TvLEHERniKS, liLU ERER1M 1 :s, ETC. "21.") 



KEY TO HUCKLEBERRIES, BLUEBERRIES, 



ETC. 



* Berries 10-seeded, Gaylussacias. (A.) 



A. Leaves sprinkled with waxy dots, entire, deciduous. (B.) 

 B. Leaves pale and glaucous beneath ; fruit blue, with bloom. 

 Erect (2-4 feet high). BLUE TANGLE or DANGLEBERRY 

 - Gaylussacia frondosa. 

 B. Leaves green both sides ; shrubs under 3 feet. (C.) 



C. Bracts small, J inch, among the flowers and fruit; fruit 

 sweet but seedy. BLACK HUCKLEBERRY (403) Gaylus- 

 sacia baccata (G. resin6sa). 



C. Bracts leafy and longer than the flower-stems ; fruit watery 

 and insipid. DWARF HUCKLEBERRY (404) Gaylussacia 

 dumdsa. 



A. Leaves thick, evergreen, serrate with the edges somewhat rolled. 

 Shrub under 1 feet high. Box HUCKLEBERRY Gaylussacia 

 brachycera. 



* Berries many-seeded A r acciniums. (D. ) 



D. Flowers tubular or urn-shaped, not open-bell-shaped. (E.) 

 E. Flowers and fruit solitary or in small clusters of 2-4. (F.) 

 F. Shrubs under 2 feet high ; leaves under 1 inch long. (G.) 

 G. Leaves entire, whitish beneath. GREAT or BOG BILBERRY 



(405) Vaccinium uligin6sum. 

 G. Leaves minutely notched, green and shining both sides. 



DWARF BILBERRY --Vaccinium csespit6sum. 

 F. Shrubs 2-15 feet high ; leaves 1-3 inches long. (H.) 



H. Leaves about entire, pale beneath. OVAL-LEAVED BIL- 

 BERRY - - Vaccinium ovalifblium. 



H. Leaves minutely notched, green both sides. THIN-LEAVED 

 BILBERRY Vaccinium membranaceum (V. myrtilloides). 

 E. Flowers and fruit in larger clusters. (I.) 



I. Flowers elongated, 2 or 3 times as long as wide. Tall, 3-15 



feet. (J.) 

 J. Flowers appearing before the leaves. SOUTHERN BLACK 



HUCKLEBERRY Vaccinium virgatum. 

 J. Flowers at the time of leaf-expansion. HIGH-BUSH or 



SWAMP BLUEBERRY Vaccinimn corymb6sum. 

 I. Flowers less elongated not over 2 times as long as wide. 



(K.) 



K. Shrubs 3-15 feet high ; leaves densely hairy beneath. 

 BLACK HIGH BLUEBERRY Vaccinium atroc6ccum (V. 

 rnryinbusum). 



