ERICACE^. (heath FAMILY.) 291 



« » Parts of the flower in fives : stamens 10 ; leaves membranaceous : flowers solitary 

 on short axillary peduncles, nodding. 



8. V. CSespitdSUm, Michx. Dwarf (3' -5' high), tufted; leaves obovate, 

 narrowed at the base, smooth and shining, serrate; corolla oblong, slightly urn- 

 shaped ; berries blue. — Alpine region of the White Mountains of New Hamp- 

 shire ; and high northward. 



9. V. 0Valif61ium, Smith. Straggling, 3° -10° high; leaves elliptical, 

 obtuse, nearly entire, pale, mostly glaucous beneath, smooth ; corolla ovoid; berries 

 blue. — Peat-bogs, Keweenaw Co., Lake Superior, Dr. Bobbins (and far west- 

 ward). May. 



10. v. myrtilloldes, Hook. More erect, 1°- 4° high; branchlets some- 

 what angled ; leaves mostly ovate and acute Or pointed, sharply and closely serrulate, 

 bright green, nearly smooth ; border of the calyx almost entire ; corolla depressed- 

 globular, rather large; berries large, black, rather acid. — Woods and bluffs, 

 Keweenaw Co., Lake Superior, Dr. Robbins. (Lake Huron, Dr. Todd; and 

 northwestward.) May, June. — Pedicels 3" -6" long, drooping in flower, 

 erect in fruit. 



§ 6. CYAN0C6CCUS. Ovary more or less completely lO-celled by fdse partitions: 

 corolla oblong-cylindrical or slightly urn-shaped, 5-toothed: anthers 10, awnless: 

 fllaments hairy : berries blue or black with a bloom (sweet) : flowers in clusters or 

 very short racemes from scaly buds separate fom and rather preceding the leaves, 

 on short pedicels, appearing in early spring. {Leaves deciduous in the Northern 

 species or proper Blueberries. ) 



11. V. Pennsylv&nicum, Lam. (Dwabf Bluebeeet.) Dwarf (6'- 

 15' high), smooth ; leaves lanceolate or oblong, distinctly serrulate with bristle-pointed 

 teeth, smooth and shining both sides (or sometimes downy on the midrib under- 

 neath) ; corolla short, cylindrical-bell-shaped. — Var ANGnSTir6LiUM is a high 

 mountain or boreal form, 3' -6' high, with narrower lanceolate leaves. (V. an- 

 gustifolium, Ait.) — Dry hills and woods : common from Pennsylvania and N. 

 Illinois far northward. — Branches green, angled, warty. Berries abundant, 

 large and sweet, ripening early in July : the earliest blueberry or blue huckle- 

 berry in the market. 



12. V. Canad6nse, Kalm. (Canada Bluebeeet.) Low (l°-2°high) ; 

 leaves oblong-lanceolate or elliptical, entire, downy both sides, as well as the crowded 

 branchlets ; corolla shorter : otherwise as the last, into which it seems to pass. 

 — Swamps or moist woods, Maine to Wisconsin, and northward. 



13. V. vacillans, Solander. (Low Bluebeeet.) Zow (1°-2J° high), 

 glabrous ; leaves obovate or oval, very pale or dull, glaucous, at least underneath, 

 minutely ciliolatc-serrulate or entire ; corolla between bell-shaped and cylindra- 

 ceous, the mouth somewhat contracted. — Dry woodlands, especially in sandy 

 soil. Now England to Virginia and N. Illinois. — Branches yellowish-green. 

 Berries ripening later than those of No. 1 1 . 



14. V. corymbdsum, L. (Common or Swamp-Bluebebkt.) Tall 

 (5° -10° high); leaves ovate, oval, oblong, or elliptical-lanceolate; corolla varying 

 from turgid-ovate and cylindrical-urn-shaped to oblong-cylindrical. — Swamps 

 and low thickets : everywhere common, except southwestward. — This yields 



