Dicotxls or Exogoioiis Plants. 93 



10. Genus CHI-OG'-E-NES.— Calyx-tube adherent to the ovary, the 

 limb 4-parte(l, persistent; corolla bell-shaped, -1-parted, stamens 8; 

 berry white, globidar; plant trailing, creeping, with scarcely woody 

 stems; leaves small, ovate; margin revolute, the lower surface and 

 the branches beset with rigid, rusty bristles. 



Chi-og'-e-nes his-pid'-u-la (L.) T. & G. (C serpyllifolia Salisb.) — 

 Creeping Snowberry. — Growing in peat-bogs and mossy woods; not 

 common. 



11. Genus ARC-TO-STAPH'-Y-LOS. — Corolla ovate and urn-shaped, 

 with short, revolute, 5-toothed limb; anthers with 2 reflexed awns on 

 the back; trailing shrubs. 



Arc-to-staph'-y-los u'-va-ur'-si (1^.) Spreng. — Bearberry. — Leaves thick 

 and evergreen, obovate or spatulate, entire, smooth ; fruit red. 



12. Genus GAY-LUS-SA'-CI-IA. — Corolla tubular, ovoid or bell, 

 shaped, the 1)order 5-cleft, anther cells tapering upward, opening by a 

 chink at the end ; branching shrubs, commonly sprinkled with resin- 

 ous dots. 



Gay-lus-sa' ci-a du-mo'-sa (Andr.) T. & G. Dwarf Huckleberry. — Some- 

 what hairy and glandular, 1-5 ft. high, bushy; leaves obovate, oblong, 

 mucronate, green both sides; bracts leaf-like, oval; fruit black, insipid. 



Gay-lus-sa'-ci-a fron-do'-sa (L.) T. & G. Blue Tangle; Dangleberry. — 



Smooth, 3-6 ft. high, branches slender and divergent; leaves obovate, 

 oblong, blunt, pale, glaucous betieat/i ; bracts oblong or linear; fruit 

 dark blue with a white bloom. 



Gay-lus sa'-ci-a res-in-o'-sa (Ait.) T. & G. Black Huckleberry.— Much 

 branched, rigid, slightly pubescent when young, 1-3 ft. high ; leaves 

 oval, oblong-ovate or oblong, clothed as well as the flowers with shin- 

 ing resinous globules ; bracts small, reddish and deciduous ; fruit black 

 without bloom. The common Huckleberry. 



13. Genus VAC-CIN'-I-UIW.— Corolla limb 4-5-cleft, revolute; sta- 

 mens 8 or 10, anthers sometimes 'i-awned, the cells separate und pro- 

 longed upwards into a tube ; shrubs, flowers solitary, clustered or 

 racemed. 



