SHRUBS, 25 



92. Leaves crowded at ends of the twigs. Enkianthus. 

 Leaves scattered. 93. 



93. Leaves very veiny. Vaccinium. 

 Leaves not very veiny. 95, 



94. Leaves acute at both ends. Styrax. 

 Leaves rounded at both ends. Andrachne. 



95. Bundle-trace one. 96. 



Bundle-traces 3 : fruit hard, star-shaped. Exochorda. 



96. Twigs fluted : fruit dry. Securinega. 

 Twigs not fluted : fruit berry-like. Nemopanthus. 



Toothed. 



97. With minute but conspicuous resin-glands. Myrica. 

 Leaves at most microscopically glandular. 98. 



98. Leaves palmately nerved or triple-nerved. 99. 

 Leaves pinnately veined. 102. 



99. Pith chambered : fully lignified. Celtis. 

 Pith continuous : often dying back in winter. 100. 



loo. Leaves small (scarcely 5 cm. long). Spiraea. 



Leaves distinctly larger. 101. 

 TOI. Leaves elliptical-ovate, finely toothed. Ceanothus. 



Leaves rounded, coarsely toothed. Vitis. 



102. Buds evidently stalked, or developing the first year 



or producing clusters of flowers. 112. 

 Buds not stalked. 107. 



103. Leaves 2-ranked. 104. 



Leaves more than 2-ranked. 105. 



104. Leaves entire below, crenate above. Fothergilla. 

 Leaves crenate throughout. Hamamelis. 

 Leaves sharply serrate. Stachyurus. 



105. Bundle-trace i : usually branching the first year. 106. 

 Bundle-traces 3 : buds distinctly stalked. Alnus. 



106. Flowers on glabrate leafy shoots. Styrax. 

 Flowers in woolly racemes. Clethra. 



107. Pith rather large, star-shaped. 108. 

 Pith small if grooved. 109. 



