A. setchuenensis. W. China. 
A. Sieboldianus. Japan. 
A. S. variegatus. 
A. Simonii. C. China. 
A. trifoliatus. E. Himal., China. 
ACER, Aceraceae. Maple. An extensive genus including both 
small and large trees, many of which are notable for the bril¬ 
liancy of their fall coloration. Some have rather showy flowers; 
others are grown for their decorative foliage. Of the less well 
known maples the following are particularly well suited for 
planting as specimen trees: A. carpinifolium, A. circinatum, 
A. cissifolium, A. Miyabei, A. nikoense and A. tataricum [ 2 J, 
3 J, 2 K, 3 K, nursery]. 
A. argutum. Japan. 
A. barbinerve. Manch., Korea. 
A. Buergerianum. Trident M.; China and Japan. 
A. campestre. Hedge M.; Eu., W. Asia. 
A. c. hebecarpum. 
A. cappadocicum. Coliseum M.; Cauc. and W. Asia. 
A. carpinifolium. Hornbeam M.; Japan. 
A. circinatum. Vine M.; B. C. to Calif. 
A. circumlobatum. Japan. 
A. cissifolium. Japan. 
A. Davidi. C. China. 
A. diabolicum purpurascens. Japan. 
A. distylum. Japan. 
A. formosum. Japan. 
A. Ginnala. Amur M.; China, Manch. and Japan. 
A. G. Semenovii. Turkestan. 
A. griseum. Paperbark M.; W. China. 
A. Grosseri Hersii (A. Hersii). C. China. 
A. Heldreichii. Balkan M.; S.E. Eu. 
A. Henryi. China. 
A. leucoderme. Chalk M.; N. C. to Ga. and La. 
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