508 WILSON EXPEDITION TO CHINA 



Alnus midtinervis Callier apud Schneider, III. Handh. Lauhhohk. I. 123, fig. 



660, 67 d-d2 (1904). 

 Alnus muUinerviSj var. typica Callier, 1. c. (1904). 

 Alnus muUinerviSy var. nikkoensis Callier, 1. c. (1904). 



JAPAN. Hokkaido : near ISIohidsi, C Maximowicz (tj'pe of var. muUinerviSj 

 ex Regel). Hondo: prov. Mutsu, Mt. Hakkoda, woodlands, thickets, lower 

 slopes of mountains, July 6, 1914, E, H. Wilson (No. 7114; bush 1.5-3 m. tall, 

 fruits); same prov., near Aomori, common up to 900 m., October 2, 1892, C. 5. 

 Sargent (tree 7 m. tall; fruits); same locality, April 1902, U. Faurie (No. 5068; 

 flowers); prov. Echigo, Deyu, August 1, 1886, J. Matsumura (fruits); prov. 

 Shinano (Senano), 1864, C Maximowicz (flowers and fruits); same prov., Mt. 

 Tokagushi, August 7, 1907 (ex Herb. Sakurai; fruits); "Nippon media," 1866, 

 Tschonoski (flowers). For further specimens see Matsumura, I. c. 



A distinct species, well marked by its many-nerved leaves and by its nodding 

 clusters of small fruits. 



