KEY TO TREES AND SHRUBS IN AUTUMN 



155 a Shrub Mz-3 ft. high; twigs and buds not hairy 



Vaccinium vacillans, p 196 

 b Shrub 2-5 ft, high; twigs and buds usually hairy 



Polycodtum. p 196 



156 u Leaves not noticeably clustered at the ends of the 



branches 157 



b Leaves noticeably clustered at the ends of the branches 159 



157 a Shrub or small tree cultivated in parks Styrax. p 198 



b Shrubs not cultivated in parks 158 



158 a Shrub usually 3 ft. or more high, the bark shredded 



Vaccinium corymbosum. p 196 

 b Shrub 2-2 ft. high Paccinium canadense. p 196 



159 a Leaves 1-2 in. long Rhodora. p 195 



b Leaves 2-4 in. long 160 



1 60 a Capsule not hairy; common species in open woods 



Azalea nudiflora. p 195 

 b Capsule hairy 161 



161 a Shrub growing in swampy places; capsule about Vz 



in. long Azalea viscosa. p 195 



b Shrub growing in dry woods; capsule about % in. 



long Azalea lutea. p 195 



162 a Climbing or trailing woody vines 163 



b Erect trees or shrubs -. 169 



163 a Plant 2-6 in. high, creeping, aromatic. .. .Gaultheria. P 195 

 b Plants more than i ft. high, usually climbing 164 



164 a Plants twining, without tendrils or aerial rootlets .... 165 

 b Plants with tendrils or aerial rootlets 167 



165 a Leaves more or less lobed Passiflora. p 188 



b Leaves toothed, not lobed 166 



166 a Wild shrub; fruit a capsule, red on the inside 



Celastrus. p 182 

 b Cultivated shrub; fruit fleshy, berry-like. . .Actinidia. p 185 



167 a Plant climbing by aerial rootlets; leaves usually ever- 



green Hedera. p 191 



b Plants with tendrils 168 



168 a Tendrils with terminal adhering expansions 



Parthenocissus tricuspidata. p 184 

 b Tendrils not as in a, usually coiled Vitis. p 184 



169 a Leaves fan-shaped, the apex usually deeply notched; 



cultivated tree Ginkgo. p 107 



b Leaves not completely as in a 170 



170 a Leaves with lobed or deeply indented margins, the lobes 



% in. or more long 171 



b Leaves with toothed margins, the teeth ^4 in. or less 



long 181 



75 



