ERICACE/E. 85 



branching, several-flowered. Root-leaves round-heart-shaped ; 

 stem-leaves linear. Calyx-lobes awl-shaped. Shaded cliffs. 



2. C. aparinoi'des, Pursh. (MABSII BELL-FLOWER.) Flowers 

 white or nearly so, about ^ of an inch long. Stem very slender and 

 weak, few-flowered, angled, roughened backwards. Leaves linear- 

 lanceolate. Calyx-lobes triangular. Wet places in high grass. 

 The plant has the habit of a Galium. 



3. C. America'na, L. (TALL BELL-FLOWER.) Flowers light 

 blue, about an inch across, crowded in a leafy spike. Corolla 

 deeply 5-lobed. Style long and curved. Stem 3-6 feet high, 

 simple. Leaves ovate or ovate-lanceolate, taper-pointed, serrate. 

 Moist rich soil. 



a. SPECUL.A/RIA, Heister. VENUS'S LOOKING-GLASS. 

 S. perfolia'ta, A. DC. Flowers purplish-blue, only the latter 

 or upper ones expanding. Stem hairy, 3-20 inches high. Leaves 

 roundish or ovate, clasping. Flowers solitary or 2 or 3 together 

 in the axils. Sterile open ground, chiefly south-westward. 



ORDER LIT. ERICA'CEiE. (HEATH FAMILY.) 



Chiefly shrubs, distinguished by the anthers opening, as a ruh t 

 by a pore, at the top of each cell. Stamens (as in the two preced- 

 ing Orders) free from the corolla, as many or twice as many as its 

 lobes. Leaves simple and usually alternate. Corolla in some 

 cases polypetalous. 



Synopsis of the Genera. 



SUBORDER I. VACCLNTEJE. (WHORTLEBERRY FAMILY.) 



Calyx-tube adherent to the ovary. Fruit a berry crowned with 

 the calyx-teeth. 



1. Gaylussa'cia. Stamens 10, the anthers opening by a pore at the apex. 



Corolla tubular, ovoid, the border 5-cleft. Berry 10-celled, 10-seeded. 

 Flowers white with a red tinge. Leaves covered with resinous dots. 

 Branching shrubs. 



2. Vaccin'ium. Stamens 8 or 10, the anthers prolonged upwards into tubes 



with a pore at each apex. Corolla deeply 4-parted and revolute, or 

 cylindrical with the limb 5-toothed. Berry 4-celled, or more or less 

 completely 10-celled. Flowers white or reddish, solitary or in short 

 racemes. Shrubs. 



