Order T3.— EEICACB^ 483 



3" long. Sty. and gtam. included. Berries blue and sweet, similar to those of 

 No. 9. May. 



9 V. Pennsylvdniouiu Lam. CoMUOff Low Bldeberry. — Branches green, 

 with 2 pubescent lines; Ivs. subsessile, crowded, elliptic-oblong, acute at each 

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

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

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

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

 Plowers reddish-white, 3'' long. BracJB mostly colored. Berries large, blue, 

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



|8. NIGRUM. Lvs. dark green ; berries black and shining, destitute of bloom. — 



With variety a. (T. ligustrinum Ph. ?) 

 y. ALPINUM. Dwarf, decumbent ; lvs. very small (3 to 4" long), narrow-ob- 



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



10 V. vacillans Poland. Low, bushy; lvs. oval, eUiptical or ovate, acute or 

 mucronate, pale green, dull, gtaucaus hmiculh, at length glabrous, minutely serru- 

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

 the pedicels ; cor. ovoid-oylindrio, slightly contracted at the mouth.^-Hilly wood- 

 lands, N". Eng., N. T., Penn. to Clinch Mt., Tenn. Shrub 1 to 2|f high, with 

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

 bluish black, sweet. May, Jn. 



11 V. oorymbosum L. CoirsiON Hisn Blueberry. Tall; flowering branches 

 nearly leafless ; lvs. ohlong-ovat or elliptical-lanceolaie, acute or acuminate at each 

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

 oyoid-cyKndrioal. — A tall shrub, 5 to lOf high, growing in shady swamps, copses, 

 hedges, &o. Can. to Pla. Branches green or purplish. Lvs. 1 to 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 are 



p. TIRG-4.TUM. Branches short, entirely naked when in flower ; rac. numerous, 

 cor. oblong-ovoid, angular, bright rose-color. — Common southward. Sts. 4 

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



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

 cluded. — Shrub 6 to 1 Of high. Berries black. 



6. rusoATUM. Lvs. serrulate, glabrous ; pedicels elongated ; style exserted. — 

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



e. GLABRUlt Plant glabrous throughout. — Not common. 



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

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

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

 Ga. and La. Sts. 1 f to 18' high, green with a reddish or yellowish tinge. Young 

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

 are sometimes persistent. Apr., May. 



13 V. birsvltum Buckley. Wliole plant, with fls. and fruit, densely hirsute ; rac. 

 small, axillary and terminal; lvs, deciduous, ovate, entire, mucronate, subsessile, 

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

 fil. and style hairy ; berry globous, c»-seeded. — Mts. N. Car. (Buckley). Bush 

 much branched, If high. 



3. OXYCOC'CUS, Pers. Cranberry. (Gr. o^vg, acid, kokko^, 

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

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

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

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



* stem erect, with membrnnons, dooidous leaves. Berries STeetlsh No. 1 



* Stem prostrate, slender ; leaves evergreen, small. Berries acid, Nos. 2, 8 



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

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



