12 FAMILY KEY 



II. Leaves rounded at both ends; stipules present; petals united at base; fruit 

 a drupe. Viburnum in CAPRIFOLIACEAE (p. 212) 



EE. Leaves pinnately veined, with only i large vein from the base. 

 J. Plants parasitic on trees; leaves entire, often scalelike. 



LORANTHACEAE (p. 78) 



JJ. Plants not parasitic; leaves entire or not entire, usually not scalelike. 

 K. Leaves densely scurfy at least beneath. ELEAGNACEAE (p. 156) 



KK. Leaves not scurfy. 



L. Plants hoary, 3-6 dm. high, erect; bark ashy-gray, shreddy; leaves 2.5 

 cm. or less long, entire, obtuse or retuse, spatulate to obovate. 



Ramona in MENTHACEAE (p. 194) 



LL. Plants not hoary, often taller or vinelike; bark not as above; leaves various. 

 M. Leaves scalelike, 2-4 mm. long; plants 3 dm. or less high, erect or 

 ascending. Cassiope in ERICACEAE (p. 171) 



MM. Leaves not scalelike, mostly longer; plants various. 

 N. Small creeping vine with mint odor. 



Micromeria in MENTHACEAE (p. 194) 

 NN. Either not a vine or one without mint odor. 



O. Vines, twining or merely creeping. CAPRIFOLIACEAE (p. 212) 



OO. Not vines, erect or decumbent. 

 P. Petals united; leaves entire or coarsely lobed. 



Q. Plants of peat bogs; leaf margin re volute; ovary superior; fruit dry. 



Kalmia in ERICACEAE (p. 171) 

 OQ- Not plants of peat bogs; leaf margin plane. 



R. Ovary inferior; stamens all anther-bearing, as many as the corolla 

 lobes; either fruit berry-like or plant creeping. 



CAPRIFOLIACEAE (p. 212) 



RR. Ovary superior; anther-bearing stamens i fewer than the corolla 

 lobes, antherless stamen i; fruit dry; plant not creeping. 



SCROPHULARIACEAE (p. 198) 



PP. Petals distinct; leaves entire or serrulate or spinose-toothed. 

 S. Twigs conspicuously 4-angled. 

 T. Leaves entire, evergreen, obtuse or acutish. 



Garry a in CORN ACE AE (p. 168) 

 TT. Leaves serrulate, deciduous, acuminate. 



Euonymus in CELASTRACEAE (p. 147) 

 SS. Twigs not 4-angled. 

 U. Leaves 3 cm. or more long, entire; stipules minute. 



CORN ACE AE (p. 1 68) 



UU. Leaves 3 cm. or less long, serrulate at least above the middle or 

 spine-toothed or rarely quite entire; stipules either none, or large and 

 warty. 



V. .Leaves serrulate above the middle, without conspicuous divergent 

 parallel veins; flower parts in 4*5; ovary 2-celled. 



Pachistima in CELASTRACEAE (p. 147) 



W. Leaves either entire or spine-toothed near the apex, with nu- 

 merous conspicuous straight parallel veins diverging from the mid- 

 vein; flower parts in s's; ovary 3-celled. 



Ceanothus in RHAMNACEAE (p. 149) 



