Trees, Shrubs and Vines 



27. Purple-leaved Birch. (Betula alba, var. atropnrpurea.) 



Essentially like our white birch (" Native Trees," 65), but with 

 purple foliage. 



28. Southern Over-cup Oak. (Quercus lyrata.) 



Leaf: 5-8', simple, alternate, 7-g-lobed (lobes triangular, 

 acute, not serrate), obovate-oblong, glossy above, whitish be- 

 neath, crowded at end of branch ; nut globular, almost enclosed 

 in rough globular cup. Southern and Western States. (PI. I.) 



29. Turkey Oak. (Quercus cerris.) 



Leaf : 4-5', simple, alternate, pinnately lobed, not serrate, 

 long-oblong, broadest in middle, dark green above, hairy when 

 young, short-stemmed ; acorn-cup with long divergent scales. 

 Southern Europe. (PI. I.) 



30. English Oak. (Quercus robur.) 



Leaf ■ 4'-6', simple, alternate, lobed (not as deeply as in our 

 white oak, which it resembles, but not as large, nor whitish be- 

 neath), no teeth or bristles, \ax.pendula with drooping branches. 

 Var. asplenifolia with cut-leaved foliage. (PI. I.) 



31. Ginkgo. (Salisburia adiantifolia.) 



Leaf : 2', on long stem, simple, alternate, fan-shaped, fern- 

 like, deeply notched at apex, lobes again lobed or wavy-edged, 

 base wedge-shaped ; flowering minute as in yew ; tree of peculiar 

 figure, with few large branches. Japan. (PI. III.) 



32. European Holly. (Ilex aquifolium.) 



Much like American species (" Native Trees,'' 49) ; evergreen, 

 leathery, more glossy, and berries brighter red ; flowers about the 

 same ; tree and shrub. Var. macrophyllum, with large leaves. 



33. Oriental Plane. Sycamore. (Flatanus orientalis.) 



Leaf : 3-5', as in our buttonwood (" Native Trees." S8). but 

 more cut and becoming smooth, and fruit-heads larger. 

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