PYROLACEAE (WINTERGREEN FAMILY) 



3 a Leaves alternate, often clustered near the ends of 



branches. . .ALTER NATE -LEAVED CORNEL. (C. alternifblia.) 

 b Leaves opposite 4 



4 a Flowers in heads subtended by large colored bracts; 



small tree; fruit red 



FLOWERING DOGWOOD. (C. ftorida.) 

 b Flowers in cymes 5 



5 a Leaves broadly oval, abruptly pointed at apex; twigs 



usually warty ROUND-LEAVED CORNEL. (C. circinata.) 



b Leaves ovate to lanceolate; twigs not warty 6 



6 a Leaves lanceolate to ovate-lanceolate; older twigs gray 



PANICLED CORNEL. (C. candidissima.) 

 b Leaves ovate to ovate-lanceolate; twigs purplish or 



reddish 7 



7 a Fruit light blue ; twigs purplish ; cymes many-flowered 



KINNIKINNIK. (C. ambtnum.) 

 b Fruit whitish; twigs reddish; cymes loosely-flowered 



RED-OSIER. (C. stolonifera.) 



2 AUCClBA AUCUBA. (A. japonica*) 



3 NYSSA SOUR GUM. (N. sylvdrica.) 



SERIES 2. GAMOPETAL^ 



i ERICALES. Heath Order, 

 i CLETHRACEAE. White Alder Family. 

 i CLETHRA SWEET PEPPER-BUSH. (C. alni folia.) 



2 PYROLACEAE. Winter green Family. 

 i PY^OLA. 



1 a Flowers in i-sided racemes; style straight 



ONE-SIDED WINTERGREEN. (P. secunda.) 

 b Flowers not in i-sided racemes; style bent 2 



2 a Leaves Vz-i in. long; flowers greenish-white; calyx 



lobes ovate 



GREENISH-FLOWERED WINTERGREEN. (P. chhrdntha.) 

 b Leaves 1-3 in. long 3 



3 a Leaves comparatively thick, shining above; calyx lobes 



oblong to lanceolate 



ROUND-LEAVED WINTERGREEN. (P. rotundifblia.) 

 b Leaves comparatively thin, 'dull above; calyx lobes 



ovate SHIN-LEAF. (P. elliptica.) 



2 MONfeSES ONE-FLOWERED WINTERGREEN. (M. uniflbra.) 



3 CHIMAPHILA. 



i a Leaves spotted with white patches 



SPOTTED WINTERGREEN. (C. maculata.) 

 b Leaves not spotted PRINCE'S PINE. (C. umbellata.) 



