896 VACCINIACEAE 



cm. long, rarely shorter, acute, entire, deep-green above, pale beneath, glabrous, short- 



petioled : corolla white or wliitish, nearly cylindric, 7-8 mm. long : berries globular, 7-9 



mm. in diameter, glaucous. 



In and about swamps and along rivers. Georgia and Florida, and perhaps northward along the 

 Atlantic coast. Spring. 



11. Vaccinium atrococcum (A. Gray) Heller. A shrub similar to V. corymbosum 

 in habit, more or less pubescent. Leaf-blades oval to elliptic or sometimes slightly broad- 

 est above the middle, acute, entire, dark green above, paler beneath and more or less pubes- 

 cent : flowers appearing with the leaves : corolla white or pinkish, campanulate, 4-6 mm. 

 long : berries globular, 6-10 mm. in diameter, not glaucous. 



In swamps and moist woods, New Brunswick to Ontario and North Carolina. Spring. 



12. Vaccinium simulatum Small. A shrub resembling V. pallidum. Leaf-blades 

 thinnish, elliptic to oblong or elliptic-lanceolate, 2.5-7 cm. long, somewhat acuminate or 

 merely acute, serrulate, bright green above, more or less pubescent and pale or glaucescent 

 beneath : flowers appearing after the leaves : corolla white or pinkish green, urn-sha'ped, 

 3.5-4.5 mm. long : berries globular, 5-7 mm. in diameter, somewhat glaucous. 



In woods, southern New York and Pennsylvania to Georgia and Alabama. Spring. 



13. Vaccinium pallidum Ait. An asymmetrical shrub 1-2.5 m. tall, with glabrous, 



bright green twigs. Leaf-blades ovate, oval or oblong, 2.5-7 cm. long, acute or acuminate 



at the apex, ciliate-serrulate, bright green above, pale or glaucous and wholly glabrous 



beneath, short-petioled : racemes several-flowered : corolla greenish pink, campanulate or 



slightly urn-shaped, 4-5 mm. long : berries subglobose, 8-12 mm. in diameter, deep blue, 



with a bloom, delicious. 



In woods, and on open slopes or summits, mountains of Virginia to Georgia and Alabama. Spring. 

 Mountain Blueberry. 



14. Vaccinium vacillans Kalm. A shrub 1-2 dm. tall, with rigid glabrous yellowish 

 green branches and twigs. Leaf-blades oval, broadly oblong or sometimes ovate to obovate, 

 2-5 cm. long, usually apiculate, nearly entire or serrulate, glabrous, pale or glaucous be- 

 neath, short-petioled : racemes short or cluster-like, few-flowered : corolla pink or whitish, 

 cylindric-oblong, slightly constricted at the throat, 4-6 mm. long ; lobes 5 : berries sub- 

 globose, 4-7 mm. in diameter, blue, with a bloom, sweet. 



In dry or rocky soil, Maine to Ontario and Michigan, south to Georgia and Missouri. Spring. 

 Blue Huckleberry. 



15. Vaccinium hirsvitum Buckl. An irregularly branching shrub 3-10 dm. tall, 

 with finely hirsute foliage at least when young. Leaf-blades oblong to elliptic or oblong- 

 ovate, 2-3 cm. long, acute or cuspidate, entire, deep green above, paler and more pubescent 

 beneath especially on the nerves, very short-petioled : racemes few-flowered : hypanthium 

 and calyx, like the pedicel, closely hirsute : sepals acute : corolla pale or reddish, ovoid-cam- 

 pannlate, 9-12 mm. long, persistently hirsute : ovary glandular-hirsute : berries subglobose, 

 0-7 ram. in diameter, purplish black. 



On shaded mountain slopes. North Carolina to Tennessee and Georgia. Summer. 



5. CHIOGENES Salisb. 



Evergreen shrubs, with prostrate creeping stems, the foliage finely pubescent. Leaves 

 small, alternate, 2-ranked. Flowers solitary, subtended by 2 bracts. Sepals 4, free. 

 Corolla campanulate, with 4 rounded lobes. Stamens 8, included : filaments rough : 

 anthers destitute of awns ; sacs not prolonged into tubes at the apex, opening from apex 

 to middle. Ovary 4-celled, crowned with an 8-lobed disk. Berry white, 4-celled, mealy. 

 Seeds numerous. Snowberry. 



1. Chiogenes hispidula (L. ) T. & G. Perennial, evergreen. Stems branched at 

 the base, the branches creeping, strigose : leaf-blades leathery, oval or suborbicular, 3-13 

 mm. long, abruptly pointed, ciliate, pale beneath, revolute, short-petioled : pedicels soli- 

 tary in the axils, 1-3 mm. long : calyx minutely pubescent : sepals 4, the outer much 

 broader than the inner : corolla white, campanulate, somewhat longer than the calyx ; 

 lobes acute : berries subglobose, 5-6 mm. in diameter, white, bristly, aromatic, crowned 

 with the calyx. 



In damp woods and swamps, Newfoundland to British Columbia south along the mountains to 

 North Carolina, and Michigan. Spring. 



6. HUGERIA Small. 

 Shrubs, with upright branching stems. Leaves alternate, deciduous : blades rather 

 thin, finely serrate, short-petioled. Flowers solitary on axillary pedicels, drooping. Sepals 



