574 



VACCINIACEAE. 



[VOL. II. 



About ao genera and 300 species of wide distribution, many South American species epiphytic. 



Ovary lo-celled; fruit a berry-like drupe with 10 nutlets. I. 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. a. Vaccinium. 



Low trailing shrub; ovary half inferior; berry snow-white. 3. Chiogenes. 



Corolla deeply 4-cleft or 4-divided, the lobes reflexed. 4. Oxycoccus. 



i. GAYLUSSACIA H.B.K. Nov. Gen. 3: 275. pi. 257. 1818. 

 [ADNARIA 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 s-angled, the limb s-lobed, the lobes erect or recurved. Stamens 10, 

 equal, usually included; filaments short and distinct; anther-sacs tapering upward into tubes, 

 awn less, 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. i. G.frondosa. 



Leaves green both sides, resinous; fruit black. 



Bracts small, deciduous, mostly shorter than the pedicels. a. G. rtsinosa. 



Bracts oval, large, persistent, longer than the pedicels. 3. G. dumosa. 



Leaves thick, evergreen, serrate, not resinous; bracts scale-like. 4. G. brachycera. 



i. Gaylussacia fronddsa (L,.) T. & G. 



Blue Tangle. Tangleberry. Dangle- 



berry. (Fig. 2779.) 



: nium /rondosum L. Sp. PI. 351. 1753. 

 G. froitdosa T. & G. ; Ton i : 19. 1843. 



An erect shrub, a-4 high, with numerous spread- 

 ing or ascending slender gray branches. Leaves 

 oval to obovate, obtuse or retuse, entire, iji'-a^' 

 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 i" long; 

 flowers few, greenish pink in loose racemes; bracts 

 linear-oblong, shorter than the filiform mostly 2- 

 bracteolate pedicels, deciduous; corolla globose- 

 catnpanulate, i#" 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. 



a. Gaylussacia resindsa (Ait. ) T. & G. 



Black or High-bush Huckleberry. 



(Fig. 2780.) 



Vaccinium rest nos urn Ait Hort. Kew. 3: la. 1789. 

 G. rcsinosa T. & G.; Torr. Fl. N. Y. x: 449. 1843. 



A shrub, i-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, i'-2' long; 

 petioles about i" 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"-2)4" long; fila- 

 ments ciliate; fruit black without bloom (rarely 

 white), about 3" in diameter, sweet but seedy. 



In woods and thickets, preferrine sandy soil, New- 

 foundland to Georgia, Manitoba, Wisconsin and Ken- 

 tucky. May-June. Fruit ripe July-Aug. 



