ORDER 73. ERICACEAE. 481 



SUBORDER I. VACCINE JE. THE BLUEBERRY TRIBE. 



1. GAYLUSSA'CIA, H. B. K. HUCKLEBERRY. (In honor of the 

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

 urceolate or campanulate, 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, mucronnte, thick No. 2 



not mucronate, thin Nos. 3, 4 



1 G. buxifolia. Box HUCKLEBERRY. Very smooth ; Ivs. oval and mate, finely 

 crenaie-dentate, thick and firm ; rac. dense, axillary and terminal subsessile, the 

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

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

 tis) and E. Tenn. A handsome little evergreen, If high, with leaves (7 9" by 

 4 5") like those of the Box, and white rls. delicately tinged with red. May. 

 (V. buxifolium Salisb. V. brachycerum MX.) 



2 G. dumosa Torr. & Gr. Branchlets, Ivs. and pedicels sprinkled with minute 

 bristles and resinous dots; Ivs. 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 and thickets, Uxbridge, Mass. (Robbing), S. to Fla. A small shrub, If 

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

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

 sum Andr.) 



/?. HIRTELLA. Plant more or less hairy. 



3 G. reainosa Torr. & Gr. BLACK HUCKLEBERRY. Branches cinereous-brown, 

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

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

 length, subcampanulato, 5-angled ; berries black. This common shrub of woods 

 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 style. 

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



P. BREVIFOLIA. Corolla very short, when open as broad as long. Quincy, Fla. 



4 G. frondosa Torr. & Gr. BLCE DANGLES. HIGH BLUEBERRY. Lvs. oblong- 

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

 bracteate near the middle ; cor. ovoid-campanulate, 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, blue and 

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

 frondosum Willd.) 



2. VACCIN'IUM, L. BLUEBERRY. Calyx adherent, 5-toothed; co- 

 rolla urceolate, campanulate or cylindric, limb 4 to 5-cleft, reflexed ; 

 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 Ivs. 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.) 



