292 • ERICACEAE. (HEATH FAMILY.) 



the common blueberry or blue huckleberry of the latter part of the season. The 

 typical form has the leaves entire and more or less pubescent, at least when 

 young, as also the branchlets. The species exhibits the greatest variety of forms : 

 the last of those here mentioned is the most remarkable, and the only one which 

 has any claims to be regarded as a species. 



Var. glabrum, is wholly or nearly glabrous throughout; the leaves entire. 



"Var. amdenum, has the leaves bristly-ciliate, shining above, green both 

 sides, beneath somewhat pubescent on the veins. (V. amoenum, Ait., &c.) 



Var. pallidum, has the leaves mostly glabrous, pale or whitish, glaucous; 

 especially underneath, serrulate with bristly teeth. (V. pallidum, Ait.) 



Var. atrococcum, has the leaves entire, downy or woolly underneath even 

 when old, as also the branchlets; berries smaller, black, without bloom. (V. 

 fuscatum, Ait.f & Ed. 1.) 



3. CHIOGENES, Salisb. Creeping Snowberry. 



Calyx-tube adherent to the lower part of the ovary ; the limb 4-parted. Co- 

 rolla bell-shaped, deeply 4-cleft. Stamens 8, included, inserted on an 8-toothed 

 annular disk: filaments very short and broad : anther-cells ovate-oblong, quite 

 separate, not awned on the back, but each minutely 2-pointed at the apex, and 

 opening by a large chink down to the middle. Berry white, globular, crowned 

 with the 4-toothed calyx, rather dry, 4-celled, many-seeded. — A trailing and 

 creeping evergreen, with very slender and scarcely woody stems, and small 

 Thyme-like, ovate and pointed leaves on short petioles, with revolute margins, 

 smooth above, the lower surface and the branches beset with rigid rusty bristles. 

 Flowers very small, solitary in the axils, on short nodding peduncles, with 2 

 large bractlets under the calyx. (Name from yicoi/, snow, and yivos, offspring, 

 in allusion to the snow-white berries.) 



1. C. hispidula, Torr. & Gr. — Peat-bogs, and mossy mountain woods, 

 in the shade of evergreens ; common northward, extending southward in the 

 Alleghanies. May. — Plant with the aromatic flavor of Gaultheria or Birch. 

 Leaves 3" -4" long. Berries 3" broad, bright white. 



4. ARCTOSTAPHYLOS, Adans. Bearberry. 



Corolla ovate and urn-shaped, with a short revolute 5 -toothed limb. Stamens 

 10. included : anthers with 2 reflexed awns on the back near the apex, opening 

 by terminal pores. Drupe berry-like, Avith 5-10 seed-like nutlets. — Shrubs, 

 with alternate leaves, and scaly-bracted nearly white flowers in terminal racemes 

 or clusters. Fruit austere. (Name composed of ap/cros-, a bear, and aTacpvkr), 

 a grape or berry, the Greek of the popular name.) 



1. A. Uva-Ursi, Spreng. (Bearberry.) Trailing ; leaves thick and ever- 

 green, obovate or spatulate, entire, smooth; fruit red. (Arbutus Uva-ursi, L.) — 

 Rocks and bare hills, New Jersey to Wisconsin and northward. May. (Eu.) 



2. A. alpina, Spreng. (Alpine Bearberry.) Dwarf, tufted and de- 

 pressed ; leaves deciduous, serrate, wrinkled with strong netted veins, obovate ; 

 fruit black. — Alpine region of the White Mountains, New Hampshire, Mount 

 Katahdin, Maine, and high northward. (Eu.) 



