KEY TO TREES AND SHRUBS IN AUTUMN 



120 a Tree with branches horizontal or drooping, usually con- 



spicuously massed toward the top; fruit a black 



drupe ; tree growing in low ground Nyssa. p 194 



b Trees or shrubs not completely as in a 121 



121 a Leaves comparatively thick, dark green, usually remain- 



ing on nearly throughout the winter 122 



b Leaves comparatively thin, falling off in autumn 129 



122 a Leaves with yellow resin dots beneath Myrica. p 141 



b Leaves not with yellow resin dots beneath 123 



123 a Leaves linear or oblong with the margins rolled under, 



whitish beneath Andromeda, p 195 



b Leaves not completely as in a 124 



i2-i a Shrubs 2 ft. or less high; leaves less than 3 in. long .... 125 



b Shrubs 3 ft. or more high; leaves 3 in. or more long. . 127 



125 a Leaves whitish on under side Kalmia glauca. p 195 



b Leaves light green on under side 126 



126 a Leaves ovate; cultivated shrub Azalea indica. p 195 



b Leaves oblong; wild shrub Kalmia angustifolia. p 195 



127 a Leaves rounded at the base. Rhododendron catawbiense. p 195 

 b Leaves tapering at the base 128 



128 a Leaves oblong or obi anceol ^^.Rhododendron maximum, p 195 

 b Leaves oval to elliptic Kalmia latifolia. p 795 



129 a Leaves with yellowish resin dots beneath . Gaylussacia. p 196 

 b Leaves not with yellow resin dots beneath 130 



130 a Twigs aromatic, spicy to the taste 131 



b Twigs not aromatic or spicy 132 



131 a Leaves rather ovate; lateral buds rounded, often 2 



together Benzoin, p 154. 



b Leaves oval, some leaves usually lobed; lateral buds 



oval Sassafras, p 154 



132 a Fruit of bluish drupes in cymes; leaves prominently 



veined beneath Cornus alter nifolia. p 194 



b Fruit wanting or not completely as in a 133 



133 a Fruit somewhat fluffy, in large particles, very conspic- 



uous on the tree . Cotinus. p 181 



b Fruit wanting or not completely as in a 134 



134 a Winter buds not with thin scales; cultivated shrub 



Butneria. p 154 

 b Winter buds with thin overlapping scales 135 



135 a Fruit an acorn; leaves comparatively thick 



Quercus phellos. p 143 

 b Fruit wanting or not an acorn 136 



136 a Fruit of yellow, red, or black drupes, present on the 



plant 137 



b Fruit wanting or not completely as in a 141 



137 a Fruit not in clusters on the stem Ilicioides. p 181 



b Fruit in clusters on the stem 138 



73 



