.KEY TO HUCKLEBERRIES, BLUEBERRIES, ETC. 245 



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 

 — Gaylussaoia fronddsa. 

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



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

 sweet but seedy. Black Hucklbbekry (403) — Gaylus- 

 saoia bacoAta (G. resin 6sa). 

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

 and insipid. Dwarf Huckleberry (404) — Gaylussacia 

 dumbsa. 

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

 Shrub under IJ feet high. Bbx Huckleberry — Gaylussacia ' 

 brachycera. 



* Berries many -seeded — Vacciniums. (D. ) 



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

 B. 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) — Vacoinium uligin6sum. 

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

 Dwarf Bilberry — Vaccinium csespitbsum. 

 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 membran^ceum (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 virg4,tum. 

 J. Flowers at the time of leaf-expansion. High-bush or 

 Swamp Blueberry — Vaccinium corymbbsum. 

 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. 

 corymbbsum) . 



