314 i:ricace^. (heath family.) 



11. V. ovalifolium, Smith. Straggling, 2-12° high; leaves elliptical , 

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

 berries blue. — Peat-bogs, shores of L. Superior, and northwestward. May. 



§4. VITIS-ID^A. Corolla, berry, etc., as in^S; filaments hairy; anthers 

 awnless ; leaves coriaceous and persistent ; fioicers in clusters from separate 

 buds, A-merous {in our species) ; mostly glabrous; leaves 3-6" lonf}. 



12. V. Vitis-Idsea, L. (Cowbekry. Mountain Cranberry. Fox- 

 berry.) Low (6-10' high) ; branches erect from tufted creeping stems ; leaves 

 obovate with revolute margins, dark green, smooth and shining above, dotted 

 with blackish bristly points underneath ; corolla bell-shaped, 4-cleft ; berries 

 dark red, acid and rather bitter, edible Avhen cooked. Coast and mountains of 

 N. Eng. to N. shore of L. Superior, and far northward. June. (Eu.) 



§ f>. OXYCOCCUS. Corolla deeply 4-parted or -cleft, icith linear refiexed 

 lobes ; anthers exserted, aivnless, with very long terminal tubes ; berry 4- 

 celled ; flowers axillary or terminal, nodding on long filiform pedicels. 



* Stem upright and leaves deciduous, as in common Blueberries ; flowers axillary 

 and solitary ; corolla deeply 4-clefi ; berries light red, turning purple, insipid. 



13. V. erythrocarpon, Michx. Smooth, divergently branched (1-4° 

 high) ; leaves oblung-lauceolate, taper-pointed, bristly serrate, thin. — Damp 

 woods, higher Alleghanies, Ya. to Ga. July. 



* * Steins very slender, creeping or trailing; leaves small, entire, whitened be- 



neath , evergreen ; pedicels erect, the pale rose-colored floicer nodding ; corolla 

 4-parted ; berries red, acid. — Cranberries. 



14. V. OxycoCCUS, L. (Small Cranberry.) Stems very slender (4 - 

 9' long) ; leaves orate, acute, with strongly revolute margins (2-3" long) ; pedi- 

 cels 1-4, terminal; filaments fully -J as long as the anthers. — Peat-bogs, N 

 Eng. and Penn. to Minn., and northward. June. — Berry 3-4" broad, often 

 speckled with white when young; seldom gathered for market. (Eu., Asia.) 



15. V. macrocarpon, Ait. (Large or American Cranberry.) Stems 

 elongated (1 -4° long), the flowering branches ascending; leaves oblong, obtuse, 

 less revolute (4 - 6" long) ; pedicels several, becoming lateral \ filaments scarcely 

 one third the length of the anthers. — Peat-bogs, N C. to Minn., and every- 

 where northward, but scarcely westward. June. — Berry l-V long. 



3. CHIOGENES, Salisb. Creeping Snowberry. 



Calyx-tube adherent to the ovary ; limb 4-parted, persistent. Corolla hell- 

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

 filaments very short and broad; anther-cells ovate-oblong, separate, not awned 

 on the back, but each minutely 2-pointed at the apex, and opening l)y a large 

 chink down to the middle. Berry white, globular, 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. FloAvers very small, solitary in the axils, on short 

 nodding peduncles, Avith 2 large bractlets under the calyx. (Name from x'»''> 

 snow, and y4vos, offspring, in allusion to the snow-white berries.) 



