— 186 — 



Populus Subgn. Leuce Duby apud Lauche, Deutsch. Dendrol. p. 313 

 (1880), pro parte. 



Populus Subgn. Leuce sect. Albidce Dode in Mem. Soc. Hist. nat. 

 Autun XVIII, p.p. 18 & 19 (1905)— Ascherson & Gr^ebner, Syn. IV, 

 p. 16 (1908). 



Populus sect. Leuce Subsect. Albidce Schneider in Sargent, PI. Wils. 

 Ill, p. 29 (1916), pro parte. 



Gemma? pubescentes haud viscosaa. Rami juveniles pubescentes. 

 Petioli teretes. Stamina 4-8. 



There is no indigenous species belonging to this section in Korea. 

 The white poplar Populus alba Linnaeus, Sp. PI. ed. 1, p. 1034, 

 no. 1 (1753) often seen in the north-western part of Korea was early 

 introduced from Manchuria. 



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