172 ELEMENTS OF BOTANY. 



calyx tube adherent to the ovary, 4-5-lobed ; corolla globose, 

 tubular or campanulate, 4-5-lobed; stamens twice as many 

 as the lobes of the corolla, filaments usually short, flattened ; 

 ovary 2-10-celled, style slender, stigma simple or minutely 

 lobed; fruit a globose berry, 2-10-celled, cells 1-several- 

 seeded. [Rare on lime soils.] 



I. GAYLUSSACIA. 



Low branching shrubs, mostly resinous-dotted ; leaves ser- 

 rate or entire; flowers small, white or pink, in lateral, bracted 

 racemes, nodding ; pedicels usually 2-bracteolate ; calyx tube 

 short, obconic, the lobes persistent ; corolla ovoid to bell- 

 shaped, 5-lobed, the lobes erect or recurved ; stamens equal, 

 usually included, anthers awnless ; fruit a 10-seeded berry. 



1. G. FRONDOSA (L.) T. & G. Tangleberry. An erect shrub 

 1-3 ft. high ; branches spreading, slender, gray, slightly pubescent ; 

 leaves entire, oblong or obovate, obtuse, thin, smooth and green above, 

 paler, pubescent, and with resinous dots beneath; petioles short; 

 racemes few-flowered ; corolla small, greenisli-pink, short-bell-shaped ; 

 bracts small, oblong, shorter than the pedicels ; berry depressed- 

 globose, dark blue, glaucous, sweet, about ^ in. in diameter. April- 

 May. On low ground. 



2. G. DUMOSA (Andr.) T. & G. Dwarf Huckleberry. A 

 branching shrub, 1-2 ft. high ; branches pubescent above, usually 

 leafless below ; leaves thick and firm, oblong-obovate, obtuse, sessile 

 or nearly so, serrulate, soon smooth and shining above, pubescent or 

 hirsute below ; racemes short, few-flowered ; bracts ovate, leaf-like, 

 usually longer than the hirsute pedicels ; corolla white, bell-shaped, 

 angled; berry black, ^-^ in. in diameter, insipid. April-May. Low, 

 sandy pine barrens and swamps. 



II. VACCINIUM. 



Shrubs or small trees ; leaves entire or serrulate, often 

 coriaceous and evergreen; flowers terminal or lateral, clus- 

 tered or solitary, nodding ; pedicels 2-bracteolate ; calyx tube 

 globose or hemispherical, 4-5-lobed, persistent ; corolla urn- 

 shaped, cylindrical or campanulate, 4-5-lobed ; stamens twice 

 as many as the lobes of the corolla, anthers awned or awn- 



