Obdek 73.— ERICACE^. 483 



3" long. Sty. and stam. includod. Borries blue and sweet, Bimilar to those of 

 Ko. 9. May. 



9 V. Peansjlvdnioum Lam. Common Low Blueberet. — Branches green, 

 witli 2 pubescent linos; Ivs. subses^e, crowded, elUptic-oblong, acute at each 

 end, minutely serrulate, thin, glabrous, and shining, with the veins beneath pube- 

 rulent ; fls. in short, braoteate, dense, subterminal racemes ; cor. ovoid-cylindrical. 

 — Thickets and pastures in hard soils. Can. to Penn., common in N. Eng. A low 

 under-shrub, 6 — 12' high, growing in dense patches. Leaves 8 — 12" by 4 — 6" 

 Flowers reddish-white, 3' long. Bracts mostly colored. Berries large, blue, 

 sweet and nutritious. May. (V. tenellum Ph.) 



/?. NIGRUM. Lvs. dark green ; borries black and shining, destitute of bloom. — 



AVith variety a. (V. ligustrinum Ph. ?) 

 y. ALPINUM. Dwar^ decumbent; Iva. veiy small (3 to 4" long), narrow-ob- ^ 



lanceolate. — Summits of the White Mts. with No. 5 (V. angustifolium Ait.) 



10 V. vacfllans Poland. Low, bushy; lvs. ovcd, eUiptical or ovate, acute or 

 raucronate, pale green, dull, glauams beneath, at length glabrous, minutely serru- 

 late ; rac. dense-flowered, preceding the full-grown lvs. ; fls. a little longer than 

 the pedicels ; cor. ovoid-oylindric, slightly contracted at the mouth. — Hilly wood-' 

 lands, N. Eng., X. Y., Penn. to Clinch Mt., Tonn. Shrub 1 to 2if high, with 

 greenish branches. Lvs. 1' to 18" long, corolla 4", reddish white. Berries 

 bluish blacky sweet. May, Jn) 



11 V. corymbdsum L. Common High Blueberry. Tall; flowering branches 

 nearly leafless ; lvs. oblong-oval or ettiptical-lanceolaXe, acute or acuminate at each 

 end, entire, pubescent when young, often glaucous beneath ; rac. short, sessile ; cor. 

 ovoid-cylindrical. — A tall shrub, 5 to lOf high, growing in shady swamps, copsen, 

 hedges, &o. Can. to Pla. Branches green or purplish. Lvs. 1 lo 2' long, usu- 

 ally with a slight pubescence on the veins beneath. Fls. numerous, nodding, 

 generally appearing in advance of the leaves. Corolla large for the genus (5" 

 long) purplish white. Stam. included, sty. often exserted. Berries large, black, 

 often with a tinge of purple, subacid. Mar. — Jn. — Varies exceedingly. Some 

 of its more striking varieties arc , 



(3. TIBGATUM. Branches short, entirely naked when in flower ; rac. numerous, 

 cor. oblong-ovoid, angular, bright rose-oolor. — Common southward. Sts. i 

 to 6f high (V. virgatum Ph.?) 



y. AMCENUM. Lvs. oblong ; cor. cylindrical, large, reddish white ; style in- 

 cluded. — Shrub 6 to lOf high. Berries black. 



d, fdsoAtum. Lvs. serrulate, glabrous; pedicels elongated ; style exserted.— 

 A smaller shrub with corollas red and white, striped. Calyx brown. 



t. glXbeum. Plant glabrous throughout. — Not common. 



12 V. galezans Mx. Flowering branches leafy; lvs. sessile, cuneate-lanceolate, 

 subserrate, veiny, glabrous when old; fls. in small, sessUe fascicles; cor. ovoid, 

 much contrasted at the mouth ; style exserted. — Swampy woods, Va. (Pursh) to 

 G'a. and La. Sts. ]f to 18' high, green with a reddish or yellowish tinge. Young 

 lvs. also reddish. Cor. small, yellowish white. Berries small, black. A few Iva 

 are sometimes persistent. Apr., May. 



13 V. hirsi^tuni Buckley. Whole plant, with fls. and fruit, densely hirsute ; rac. 

 small, axillary and terniinal; lvs. deciduous, ovate, entire, raucronate, subsessile, 

 cor. oblong, nearly closed at throat, with 5 short teeth ; anth. awnless, included : 

 fll. and stylo hairy ; berry globous, cx>-seeded. — Mts. N. Car. (Buckley). Bush 

 much branched. If high. 



3. OXYCOC'CUS, Pcrs. Cranbbbry. (Gr. ofvf, acid, kokkoc, 

 berry.) Calyx adherent to the ovary, 4-cleft ; corolla 4-parted, with 

 narrow, reflexed segments ; stam. 8, convergent ; anthers tabular, 2- 

 parted, opening by oblique pores; berry globous, 4-oelled, many-seeded. 

 — Shrubs, with alternate lvs. and red and purple berries. 



• stem erect, with membrnnoug, decldous leave.s. Berries sweetish No. 1 



* Stem prostrate, slender ; leaves evergreeo, small. Berries acid Noa. 2, 8 



1 O. erythrooSipus Ell. Lvs. oval, acuminate, thin, ciliate-serrulate ; fls. axil- 

 lary, solitary, the long segments at length reflexed. — Mts. of Va. and Car. Sts- 



