[?Adnaria Raf. Fl. Ludov. 56. 1817]

[Decamerium Nutt. Trans. Am. Phil. Soc. II. 8: 259. 1843.]

Branching shrubs, with alternate entire or serrate leaves, and small white or pink flowers in lateral bra'cted 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 10, 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 Alleghenies. Type species: Gaylussacia buxifolia H.B.K.

Leaves pale and glaucous beneath, resinous; fruit blue with a bloom.


G. frondosa.

Leaves green both sides, resinous; fruit black, or sometimes blue.

Bracts small, deciduous, mostly shorter than the pedicels.


G. baccata.

Bracts oval, large, persistent, longer than the pedicels.


G. dumosa.

Leaves thick, evergreen, serrate, not resinous; bracts scale-like.


G. brdchycera.

1. Gaylussacia Frondosa (L.) T. & G. Blue Tangle. Tangleberry. Dangleberry. Huckleberry

Fig. 3252

Vaccinium frondosum L. Sp. PI. 351. 1753.

G. frondosa T. & G.; Torr. Fl. N. Y. 1: 449. 1843.

An erect shrub, 2°-4° high, with numerous spreading or ascending slender gray branches. Leaves oval to obovate, obtuse or retuse, entire, \\'-2\' long when mature, 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, nodding, greenish pink in loose racemes; bracts linear-oblong, shorter than the filiform mostly 2-bracteolate pedicels, deciduous; corolla globose-campanulate, \\" 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 Virginia, Alabama, Ohio and Louisiana. Blue whortleberry. May-June. Fruit ripe July-Aug.

Gaylussacia ursina CM. A. Curtis) T. & G.. with acuminate leaves green on both sides and black fruit, native of the southern Alleghanies, is erroneously recorded from Kentucky.

1 Gaylussacia Frondosa L T G Blue Tangle Tangleber 15941 Gaylussacia Frondosa L T G Blue Tangle Tangleber 1595