710 FLORA. 



4. Vaccinium ovalifolium J. E. Smith. TALL OR OVAL-LEAVED BILBERRY. 

 (I. F. f. 2786.) A straggling shrub, 9-36 dm. high; twigs glabrous, sharply angled. 

 Leaves short-petioled, glabrous, green above, glaucous beneath, rounded at both 

 ends, or somewhat narrowed at the base, thin, sometimes mucronulate, 2.5-5 cm - 

 long; flowers on rather short recurved pedicels; corolla globose-ovoid; berry 8-IO 

 mm. in diameter. Woods, Quebec to Mich., Ore. and Alaska. June-July. 



5. Vaccinium virgatum Ait. SOUTHERN BLACK HUCKLEBERRY. (I. F. f. 

 2787.) A shrub, 9-36 dm. high, the branches slender, the young twigs puberu- 

 lent. Leaves narrowly oval-oblong, broadest at the middle, mucronate, short- 

 petioled, entire, green and glabrous above, pale or glaucous beneath, thick when 

 old, 2.5-6.5 cm. long, 12-25 mm. wide, veins pubescent; flowers equalling or 

 longer than their pedicels; calyx 5-lobed; corolla 6-8 mm. long, 2-3 mm. thick, 

 white or light pink; stamens 10; berry with or without bloom, 4-6 mm. in diam- 

 eter. In swamps, Va. to Fla. and La. April-May. 



Vaccinium virg&tum tendllum (Ait.) A. Gray. Low, mostly less than 6 dm. high ; 

 leaves smaller, narrower, 12-35 rara - long* flowers white, or nearly so, 4-6 mm. long. 

 Va. to Ark., Fla. and Ala. 



6. Vaccinium corymbosum L. HIGH-BUSH OR TALL BLUEBERRY. (I. F. 

 f. 2788.) A shrub, 2-4.5 m - high; twigs terete, greenish brown. Leaves oval or 

 oblong, mostly acute at each end, usually entire, sometimes ciliate, glabrous above, 

 paler and often pubescent beneath, short-petioled, 2.5-7.5 cm. long, 12-35 mm> 

 wide; flowers equalling or longer than their pedicels; bracts deciduous; calyx 5- 

 lobed ; corolla white or faintly pink, 6-12 mm. long, 3-6 mm. thick, 5-toothed 

 (rarely 5-lobed); stamens 10; berry 6-8 mm. in diameter, pleasantly acid. In 

 swamps, thickets and woods, Newf. to Va., Minn, and La. May -June. 



7. Vaccinium atrococcum (A. Gray) Heller. BLACK BLUEBERRY. (I. F. f. 

 2789.) Similar to the two preceding; branches minutely warty, young twigs 

 pubescent. Leaves dark green above, light green beneath, usually acute at both 

 ends, mucronate, thick, 3.5-7.5 cm. long, 12-35 mm> wide; flowers appearing with 

 the leaves, about the length of their pedicels ; calyx 5-lobed; corolla short-cylindric 

 or ovoid, pink or red, 4-6 mm. long, about 3 mm. thick, 5-toothed, constricted at 

 throat; berry without bloom, sweet, 6-10 mm. in diameter. In swamps and wet 

 woods, N. B. and Ont. to N. J. and Penn. May-June. 



8. Vaccinium Canadense Richards. CANADA BLUEBERRY. (I. F. f. 2790.) 

 Pubescent. Leaves acute, narrowed at the base, 2.5-3.5 cm - l n g 8-12 mm. wide; 

 flowers few in the clusters, which are sometimes numerous on naked branches, 

 appearing with the leaves; corolla oblong- campanulate, greenish white, about 4 mm. 

 long and 3 mm. thick; berry with a bloom (rarely white), sweet, 5-6 mm. in diam- 

 eter. In moist places, Lab. to the N. W. Terr., Va., 111. and Mich. May-June. 



9. Vaccinium Pennsylvanicum Lam. DWARF, SUGAR OR LOW-BUSH BLUE- 

 BERRY. (I. F. f. 2791.) Similar to the preceding species, but with green warty 

 branches and nearly or quite glabrous throughout. Leaves oblong or oblong- 

 lanceolate, slightly pubescent on the veins beneath, acute at both ends, 1.8-3.6 cm. 

 long, 6-12 mm. wide; flowers few in the clusters, longer than the very short pedi- 

 cels; corolla oblong-campanulate, slightly constricted at the throat, 4-5 mm. long, 

 about 3 mm. thick, white or pinkish; berry with a bloom, very sweet, 6-10 mm. 

 in diameter. In dry, rocky or sandy soil, Newf. to the N. W. Terr., N. J., 111. and 

 Mich. May-June. 



Vaccinium Pennsylvdnicum angustiffclium (Ait.) A. Gray. Leaves narrower, 2-3 

 mm. wide. Mts. of Me., N. H. and Adirondacks ; Quebec to Lake Superior and arctic Am. 



10. Vaccinium nigrum (Wood) Britton. Low BLACK BLUEBERRY. (I. F. f. 

 2792.) Similar to V. Pennsylvanicum and often growing with it, the twigs gla- 

 brous. Leaves acute, finely serrulate, very nearly sessile, 12-25 mm - l n g? 6-12 

 mm. wide, green above; flowers few in the clusters, longer than their pedicels; 

 corolla globose-ovoid, little constricted at the throat, white or cream color, about 4 

 mm. long, 3mm. thick; berry without bloom, about 6 mm. in diameter. In dry 

 rocky soil. Me. to N. J., Penn. and Mich. Blooms earlier than V. Pennsylva* 

 nicum. May. 



ix. Vaccinium vacillans Kalm. Low BLUEBERRY. BLUE HUCKLEBERRY. 

 (I.F. f. 2793.) A stiff shrub, 1.5-12 dm. high, with glabrous yellowish-green warty 





