io ANALYTICAL KEY 



BOG ROSEMARY, ANDROMEDA GLATJCOPHYLLA (p. 102). 

 i. Leaves yellowish-green, brown scurfy beneath. 



LEATHER LEAF, CHAMAEDAPHNE CALYCULATA (p. 102). 

 h. Corolla wheel-shaped; anthers embedded in corolla pouches; leaves 

 dark green. MOUNTAIN LAUREL, EALMIA LATIFOLIA (p. 102). 



f. Stems prostrate. 

 g. Stems distinctly woody; leaves obovate, smooth; flowers not fragrant. 



BEARBERRY, ARCTOSTAPHYLOS UVA-URSI (p. 103). 

 g. Stems but slightly woody; leaves heart-shaped, hairy; flowers fragrant. 



TRAILING ARBUTUS, EPIGAEA REPENS (p. 103). 

 c. Plants with periodically deciduous leaves, which usually are not tough and 



leathery. 



d. Branches and leaves opposite (p. n). 

 e. Leaves compound. 

 f. Flowers drooping, polypetalous; bark striped. 



BLADDER NUT, STAPHYLEA TRIFOLIA (p. 9 O. 

 f. Flowers in pyramidal cymes, sympetalous. 



RED-BERRIED ELDER, SAMBUCUS RACEMOSA (p. 120). 

 e. Leaves simple. 

 f. Corolla wanting; flowers yellow; leaves scurfy. 



SHEPHERDIA CANADENSIS (p. 97)- 

 f. Corolla present. 

 g. Corolla polypetalous. 

 h. Flowers perigynous (Euonymus). 



i. Erect shrub; leaves petioled; corollas dark purple, commonly four- 

 parted. WAAHOO, EUONYMUS ATROPURPUREUS (p. 90). 

 i. Trailing shrub, rooting freely; leaves nearly sessile; corollas greenish- 

 purple, commonly five-parted. 



STRAWBERRY BUSH, EUONYMUS AMERICANUS OBOVATTJS. 

 h. Flowers epigynous (Dogwood). 

 i. Corollas greenish, surrounded by a showy white involucre. 



FLOWERING DOGWOOD, CORNUS FLORIDA (p. 100). 

 i. Corollas white; involucre wanting. 

 j. Branches red-purple; leaves short-pointed; cymes flat. 



RED-OSIER DOGWOOD, CORNUS STOLONIFERA (p. 100). 

 j, Branches grayish brown; leaves taper-pointed; cymes convex. 



PANICLED DOGWOOD, CORNTJS PANICTJLATA (p. 100). 

 g. Corolla sympetalous (Honeysuckle family). 

 h. Corolla wheel-shaped, spreading (Viburnum). 

 i. Leaves palmately veined (three-ribbed), somewhat three-lobed. 



MAPLE-LEAVED VIBURNUM, VIBURNUM ACERIFOLIUM (p. 119). 

 i. Leaves pinnately veined. 



j. Leaves pubescent, heart-shaped, coarsely toothed; petioles very short. 

 ARROW-WOOD, VIBURNUM PUBESCENS (p. 119). 

 j. Leaves smooth, acute at base, finely toothed; petioles prominent. 

 k. Branches obliquely ascending; young leaves and petioles greenish. 



BLACK HAW, VIBURNUM LENTAGO (p. 119). 



k. Branches nearly or quite horizontal; young leaves and petioles 

 reddish. BLACK HAW, VIBURNUM PRUNIFOLIUM (p. 120). 



h. Corolla tubular or bell-shaped. 

 i. Corolla bell-shaped, regular, pink. 



SNOWBERRY, SYMPHORICARPUS RACEMOSUS (p. 118). 

 i. Corolla tubular, more or less irregular, yellow or yellowish. 



