Order 13.— ERICACEAE. 481 



Suborder I. VACCINE^E. The Blueberry Tribe. 



1. GAYLUSSA'CIA, II. B. K. Huckleberry. (In honor of the 

 distinguished chemist, Gay-Lussac.) Calyx adherent, 5-toothcd ; corolla 

 nrceolate or campatmlate, 5-cleft or toothed ; stamens 10, anthers awn- 

 less, the cells produced upwards into tubular beaks opening at the apex; 

 berry drupe-like, globular, 10-celled, 10-seeded. — Shrubs resembling the 

 Vaccinia. Lvs. often resinous-dotted beneath. Fls. in lateral, bracted 

 racemes, white or reddish, small. Fr. black or dark blue, sweet. (Vac- 

 cinium L.) 



* Racemes axillary. Leaves evergreen, dotless, very smooth No. 1 



• Racemes lateral. Leaves dotted beneath, — mucronate, thick No. 8 



— not mucronate, thin Nos. 3,4 



X G. buxifolia. Box ITuckleberry. Very smooth ; lvs. oval and ovate, finely 

 crenate-dentate, thick and firm ; rac. dense, axillary and terminal subsessile, tho 

 pedicels very short; cor. short-ovoid; filaments glandular; berries light blue! — 

 Rocky hills, New Bloomfield, Perry Co., Penn. (Rev. D. II. Focht), "W. Va. (Cur- 

 tis) and E. Tenn. A handsome little evergreen, If high, with leaves (7 — 0'' by 

 4 — 5") like those of tho Box, and white lis. delicately tinged with red. May. 

 (V. buxifolium Salisb. V. brachycerum Mx.) 



2 G. dumosa Torr. & Gr. Branchlets, lvs. and pedicels sprinkled with minuto 

 bristles and resinous dots; lvs. obovate-oblong, subsessile subcoriaceous, obtuse, 

 mucronate, entire or ciliate-serrulate ; rac. with persistent bracts ; pedicels bracteo- 

 late in the middle ; cor. cylindric-campanulate, including the stamens and style. — 

 Swamps aud thickets, Uxbridge, Mass. (Robbins), S. to Fla. A small shrub, If 

 high, with leafy racemes. Lvs. about 16" by 7". Fls. whito or purplish, each 

 from the axil of an oval bract. Berries black, insipid, large. Jn. (V. dumo- 

 eum Andr.) 



ft. ijirtella. Plant more or less hairy. 



3 G. resinosa Torr. & Gr. Black Huckleberry. Branches cinerous-brownj 

 villous when young ; lvs. oblong-ovate or oblong-lanceolate, rather obtuse, entire, 

 petiolate ; rac. lateral, secund ; pedicels short, subbracteolate ; cor. ovoid-conic, at 

 length, subcampanulate, 5-angled ; berries black. — This common shrub of wooda 

 and pastures (Can. to Va. and Tenn.) is about 2f high, very branching. Lvs. 

 1 to 2' long, rarely acute, shining beneath, with resinous patches and spots. 

 Petiole 1" in length. Fls. small, drooping. Corollas contracted at the mouth, 

 greenish or yellowish purple, longer than the stamens but shorter than the stylo. 

 Berries globous, sweet and eatable, ripe in August. May. (V. resinosum Ait) 



ft. brevifolia. Corolla very short, when open as broad as long. — Quiney, Fla. 



4 G. froudosa Torr. & Gr. Blue Dangles. High Blueberry. Lvs. oblong- 

 obovate, obtuse, entire, glaucous beneath; rac. loose, bracteate; pedicels filiform, 

 bracteate near the middle ; cor. ovoid-eampanulate, including the stamens ; berries 

 blue. — Grows in open woods, N. Eng. to Fla. and La. A shrub 3 to 5f high, with 

 round, smooth and slender branches. Lvs. twice as long as wide, the margin 

 slightly revolute. Rac. lateral (not axillary), the bracts deciduous. Pedicels 5 

 to 10" in length. Fls. reddish- white, succeeded by large, globous, bluo and 

 sweet berries covered with a glaucous bloom when mature. May, Jn. (V. 

 frondosum Willd.) 



2. VACCIN'IUM, L. Blueberry. Calyx adbercnt, 5-toothed ; co- 

 rolla urceolate, campanulatc or cylindric, limb 4 to 5-cleft, refiexed ; 

 stamens twice as many as the lobes of the corolla, generally included ; 

 anthers with 2 awns on the back, or awnless, the 2 cells prolonged into 

 a tube opening at apex ; berry invested with the calyx 4 or 5 (falsely 

 8 to 10) -celled, cells many-seeded. — Shrubs or undershrubs with scat- 

 tered lvs. Fls. solitary or racemous, white or reddish, small, Fr. gene- 

 rally eatable. A false partition often divides the cells, each partly into 

 2, (Fig. 350.) 



V b ; 31 



