ERICACEAE. 



253 



Calyx united to ovary 



p Shrubs or 

 trees 



Ovaries 8-io-celled, anthers awnless Gaylussacia. 

 Ovaries 4-5-celled, anthers often awned Vaccinium. 



I Corolla bell-shaped, s-lobed A ndromeda. 

 Corolla not f Flower-buds scaly Aza- 

 I bell-shaped, j lea. 



Calyx 



free- 



No scaly buds Kalmia. 

 corolla urn-shaped A re- 



Trailing 

 shrubs 



5-toothed 



f Fruit a berry, 

 tostaphylos. 



Fruit a f Cal ? x 



drypod-j ria - 



[ Calyx dry Epigcea. 



Evergreen herbs 



f Flowers racemed Pyrola. 



[Flowers corymbed Chimaphila. 

 Fleshy herbs Monotropa. 

 I. Gaylussacia. Calyx 5-toothed. Corolla with a 5-cleft, reflexed 

 limb. Stamens 10. Anthers awnless. Fruit a drupe resembling a 

 berry, with 8-10 seeds. -# 



1. G. FRONDOSA (Dangle berry). Smooth, with terete, slender branches ; 

 leaves oblong-obovate, obtuse, entire, covered with minute, resinous dots ; 

 flowers in loose, bracteate racemes ; corolla ovoid-campanulate, nearly glo- 

 bose, small, of a reddish-white color ; berries large, blue, ripening late, cov- 

 ered when mature with a glaucous bloom, sweet and edible. In low wood- 

 lands, 3-5 feet high. June. 



2. G. RESINOSA (Huckleberry. Whortleberry}, Very branching; leaves 

 oval, or oblong, entire, clammy with resinous dots when young, petiolate ; 

 flowers small, greenish, striped with red, covered with resinous dots, in short, 

 clustered, drooping racemes ; corolla ovoid-conic, contracted at apex ; ber- 

 ries black, destitute of bloom, ripe in July and August. In woods and past- 

 ures, 1-4 feet high. May- June. 



2. Vaccinium. Calyx 5-toothcd. Corolla campanulate, or cylin- 

 drical. Limb 4-5 -cleft, revolute. Stamens 8-10. Anthers often 2- 

 awned. Berry 4-5-celled, many-seeded, sometimes apparently 8-10- 

 celled. ?i 



1. V. MACROCARPON (Cranberry). Evergreen ; stem trailing, with erect 

 branches ; leaves oblong, obtuse, glaucous beneath, with slightly revolute 

 edges ; flowers rather large, on long pedicels ; corolla deeply 4-parted, flesh- 

 colored ; berries on drooping pedicels, globular, bright scarlet, smooth, juicy, 

 of a keen, acid taste, ripe in October. In boggy meadows. June. 



2. V. VACILLANS (Blueberry}. Shrub, with angular, green branches ; 

 leaves oval, or obovate, of a pale, dull green, smooth on both sides, glaucous 

 beneath ; flowers in dense, sessile racemes, on nearly naked branchlets ; 

 corolla yellowish or reddish-white ; berries blue, large and sweet, ripe in July 

 and August. In open woods, 1-2 feet high. May- June. 



