574 VACCINIACEAE. (Vor. II. 
About 20 genera and 300 species of wide distribution, many South American species epiphytic. 
Ovary 1o-celled; fruit a berry-like drupe with ro nutlets. 1. Gaylussacia. 
Ovary 4-5-celled; fruit a many-seeded berry. 
Corolla campanulate, cylindric, subglobose or urceolate. 
Erect shrubs; ovary entirely inferior; berries normally not white. 2. Vaccinium. 
Low trailing shrub; ovary half inferior; berry snow-white. 3. Chiogenes. 
Corolla deeply 4-cleft or 4-divided, the lobes reflexed. 4. Oxycoccus. 
1. GAYLUSSACIA H.B.K. Nov. Gen. 3: 275. pl. 257. 1818. 
[ApNaARIA Raf. Fl. Ludov. 56. 1817 ?] 
Branching shrubs, with alternate entire or serrate leaves, and small white or pink flow- 
ers in lateral bracted racemes. Pedicels mostly 2-bracteolate. Calyx-tube short, obconic, or 
turbinate, the limb 5-lobed or 5-toothed, persistent. Corolla urn-shaped, or tubular-campanu- 
late, the tube terete or 5-angled, the limb 5-lobed, the lobes erect or recurved. Stamens Io, 
equal, usually included; filaments short and distinct; anther-sacs tapering upward into tubes, 
awnless, opening by terminal pores or chinks. Fruit a berry-like drupe with 10 seed-like 
nutlets, each containing a single seed. [Named for the celebrated chemist, Gay-Lussac. ] 
About 40 American species, Besides the following, another occurs in the southern Alleghanies. 
Leaves pale and glaucous beneath, resinous; fruit blue with a bloom. 1. G. frondosa. 
Leaves green both sides, resinous; fruit black. 
Bracts small, deciduous, mostly shorter than the pedicels. 2. G. resinosa. 
Bracts oval, large, persistent, longer than the pedicels. 3. G. dumosa. 
Leaves thick, evergreen, serrate, not resinous; bracts scale-like. 4. G. brachycera. 
1. Gaylussacia frondosa (L.) T. & G. 
Blue Tangle. Tangleberry. Dangle- 
berry. (Fig. 2779.) 
Vaccinium frondosum I,. Sp. Pl. 351. 1753- 
G. frondosa 'T. & G.; Torr. Fl. N. ¥. 1:449. 1843. 
An erect shrub, 2°-4° high, with numerous spread- 
ing or ascending slender gray branches. Leaves 
oval to obovate, obtuse or retuse, entire, 114/-214’ 
long when mature, entire, usually thin, the lower 
surface glabrous or pubescent, pale or glaucous, and 
sprinkled with resinous globules, the upper surface 
green, usually glabrous; petioles about 1/’ long; 
flowers few, greenish pink in loose racemes; bracts 
linear-oblong, shorter than the filiform mostly 2- 
bracteolate pedicels, deciduous; corolla globose- 
campanulate, 114’ long; filaments glabrous, shorter 
than the anthers; fruit globose, dark blue with a 
glaucous bloom, about 4’’ in diameter, sweet. 
In moist woods, New Hampshire to Florida, Ohio, and 
Louisiana. May-June. Fruit ripe July-Aug. 
2. Gaylussacia resinosa (Ait.) T. & G. 
Black or High-bush Huckleberry. 
(Fig. 2780. ) 
Vaccinium resinosum Ait. Hort. Kew. 2:12. 1789. 
G. resinosa T. & G.; Torr. Fl. N. Y. 1: 449. 1843. 
A shrub, 1°-3° high, with ascending or erect 
- stiff grayish branches, the young shoots commonly 
pubescent. Leaves oval or oblong, rarely ob- 
ovate, obtuse or acutish, entire, very resinous 
when young, mucronulate, glabrous or very 
nearly so and green on both sides, firm, 1/-2’ long; 
petioles about 1/” long; flowers few, pink or red, 
in short one-sided racemes; bracts small, decidu- 
ous, shorter than or equalling the usually 2-bracte- 
olate pedicels; corolla ovoid-conic, 5-angled, be- 
coming campanulate-cylindric, 2-24’ long; fila- 
ments ciliate; fruit black without bloom (rarely 
white), about 3’’ in diameter, sweet but seedy. 
In woods and thickets, preferring sandy soil, New- 
foundland to Georgia, Manitoba, Wisconsin and Ken- 
tucky. May-June. Fruit ripe July—Aug. 
