— 31 — 



16. Betuia Ermani, Cham. 



in Linnsea VI, (1831) p. 537. t. 6. fig. D. Ledeb. El. Ross. III. 

 p. 653. Regel in DC. Prodr. XVI. 2. p. 176. Kom. Fl. Mansh. II. 

 p. 49. H. Winkler Betul. p. Q6. Schneid. Illus. Handb. Laubholzk. 



I. (1906) p. [102. fig. 53. f— g 2 . fig. 54. 1— L . Nakai Fl. Kor. 



II. p. 201. 



Frutex v. arbor usque 7 m alta, vulgo a basi ramosus. Cortex 

 trunci griseus v.' griseo-fuscens, chartaceo durumpens. Ramus 

 juvenilis purpureo-castaneus glandulosus pilosus mox glabrescens, 

 lenticellis albis punctatis. Folia petiolis foliis 1-2 plo brevioribus, 

 ovata v. late ovata, basi truncata leviter cordata v. late acuta, rami 

 lateralis inciso-serrata, adulti inEequaliter serrata, infra secus venas 

 pilosa et sparsim reginoso-punctulata. Amenta £ pendula 5-3 cm. 

 Amenta -^- erecta oblonga v. cylindrica. Squamse trifidse margine 

 ciliatse. Samarse alis membranaceis nuce angustioribus. Styli 

 breves. Nux olivacea, 



Hab. Quelpaert et in montibus subalpinis Peninsulse. 



Distr. Nippon, Yeso, Sachalin, Kamtschatica, Amur et Manshuria. 



17. %> „ \i a a ^ / x & 



^aM^=-zM^/Y%W=-M^. Betuia Saitoana /^g?P#;* 



