290 EEICACE^. (heath FAMILY.) 



* * Stem upright and leaves deciduous, as in common Bluberries : flowers axillary 

 and solitary : corolla deeply 4-cle/l: berries turning purple, insipid, 

 3. V. erythroc4rpon, Michx. Smooth, divergently branched (l°-4° 

 high); leaves oblong-lanceolate, taper-pointed, bristly serrate, thin. — Wooded 

 hills, mountains of Virginia and southward. July. 



§ 2. VITIS-ID^A, Toum. Ovary 4~5-celled: corolla bell-shaped, i-5-lobed: 

 anthers 8-10, aimless: filaments hairy : flowers in short and bracted nodding 

 racemes : leaves evergreen : berries red or purple. 

 /^\ 4. V. Vitis-Idsea, L. (Cowberry.) Low (6' -10' high) ; branches erect 



from tufted creeping stems ; leaves obovate, \vith revolute margins, dark green, 

 smooth and shining above, dotted with blackish bristly points underneath ; co- 

 rolla bell-shaped, 4-cleft. — Higher mountains of New England, also on the 

 coast of Maine, and at Danvers, Massachusetts {Oakes), and northward. June. 

 — Berries dark red, acid and rather bitter, mealy, barely edible. (Eu.) 



§3. PICR0C6CCUS, Nutt. Ovary more or less lO-celled by flilse partitions : ber- 

 ries greenish, hardly edible, ripening few seeds : corolla open-bell-shaped, 5-lobed: 

 anthers 10, extended into very long much exseried tubes, 2-awned on the back : flow- 

 ers on slender pedicels, singly in the axils of the upper leaves or leaf-like bracts, 

 forming leafy racemes, not articulated : leaves thin, deciduous. 



5. V. Stamineum, L. (Deeeuekry. Squaw H0ckleberky.) Dif- 

 fusely branched (2°-3° high), somewhat pubescent; leaves ovate or oval, pale, 

 glaucous or whitish underneath ; corolla greenish-white or purplish ; berries 

 globular or pear-shaped, large, greenish, mawkish. — Dry woods, Maine to 

 Michigan and southward, mainly eastward. May, June. 



§4. BATOD:fcNDRON, Nutt. Ovary mare or less lO-celled by false partitions : 

 berries black: corolla short-bell-shaped, 5-toothed: anthers 10, included, conspicu- 

 ously i-aumed on the back, and extended into slendei- tubes : filaments hairy : flow- 

 ers on slender pedicels singly in the axils of coriaceous shining leaves, or racemed 

 at the end of the branches, articulated just below the ovary I 



6. V. arbbreum, Marshall. (Farkle-berry.) Tall (8° -15° high), 

 smoothish ; leaves oval or obovate, entire or denticulate, mucronate, bright 

 green and shining above, at the South evergreen ; corolla white; berries mealy, 

 insipid, ripening late. — Dry ground, Makanda, S. Illinois (Dr. Vasey), proba- 

 bly also in Virginia, and southward. June. 



§ 5. EXJVACCfNIUM. Ovary 4 - ^-celled, with no trace of false partitions: corolla 

 urn-shaped or globular, 4 - 5-toothed : anthers 2-awned on the bach : filaments 

 smooth : flowers axillary, solitary, or 2 or Z together : berries blue or black, edible: 

 northern or alpine plants, with deciduous leaves. 



* Parts of the flower mostly inflows: stamens 8. 



7. V. Uligiu6suin, L. (Boo Bilberry.) Low and spreading (4'-18' 

 high), tufted ; leaves entire, dull, obovate or oblong, pale and slightly pubescent 

 underneath; flowers single or 2-3 together from a scaly bud, almost sessile; 

 corolla short, urn-shaped ; berries black with a bloom, sweet. — Alpine tops of 

 the high mountains of New England and New York, shore of Lake Superior, 

 and northward. (Eu.) 



