486 WILSON EXPEDITION TO CHINA 



Betula alba, subspec. verrucosa, var. resinifera Regel in Bull. Soc. Nat. Mosc. 



XXXVIII. pt. 2, 398 (1865); in De Candolle, Prodr. XVI. pt. 2, 164 (1868), 



exclud. specim. Americanis. — Herder in Act. Hort. Peirop. Xll. 50 (1892). 

 Betula alba, subspec. latifolia, var. Tauschii Regel in Bull. Soc. Nat. Mosc. 



XXXVIII. pt. 2, 399, t. 7, fig. 11-14 (1865); in De Candolle, Prodr. XVI. pt. 



2, 165 (1868). — Herder in Act. Hort. Pctrop. XII. 51 (1892). 

 Betula alba, var. japonica Miquel in Ann. Mus. Lugd.-Bat. II. 136 (1865) ; 



Prol. Fl. Jap. 68 (1866). 

 Betula alba, subspec. verrucosa, var. sterilis Regel in De Candolle, Prodr. XVI. 



pt. 2, 164 (1868), quoad specim. Amurensia. — Herder in Act. Hort. Petrop. 



XII. 50 (1892), quoad specim. Amurensia. 

 Betula alba, var. mandshurica Franchet in Nouv. Arch. Mvs. Paris, ser. 2, VII. 



91 (PL David. 1. 281) (1884). — Burkill in Jour. Linn. Soc. XXVI. 496 



(1899). 

 Betula alba, subspec. verrucosa, var. vidgaris Herder in Act. Hort. Petrop. XII. 



49 (1892). 

 Bettda alba, var. Tauschii Shirai in Tokyo Bot. Mag. VIII. 319 (1894). — Bur- 

 kill in Jour. Linn. Soc. XXVI. 497 (1899). 

 Betula pendula, var. japonica Rehderin Bailey, Cycl. Am. Hort. I. 159 (1900). 

 Betula latifolia Komarov in Act. Hort. Petrop. XXII. 38 {Fl. Mansh. II.) (non 



Tauschi) (1903). 

 Betula pendula, var. japonica, f . microdonta Schneider, III. Handb. Laubholzk. 



I. 113, fig. 62 qs (1904). 

 Betula japonica, var. Tauschii Winkler in Engler, Pflanzenr. IV.-61, 78 



(1904). — Nakai in Jour. Coll. Sci. Tokijo,XXXl. 202 {Fl. Kor. II.) (1911). 

 Betula japonica, var. pluricostata Winkler in Engler, Pflanzenr. IV.-61, 79 



(1904). 

 Betula verrucosa, var. japonica Henry in Elwes & Henry, Trees Gr. Brit. & 



Irel. IV. 967 (1909). 

 Betida pendula, var. Tauschii Rehder in Bailey, Stand. Cycl. Hort. I. 498 (1914). 

 Betula mandshurica Nakai in Tokyo Bot. Mag. XXIX. 42 (pro parte) (1915). 



CHINA. Chili: Central and west Weichang, W. Purdom (No. 103; fruits); 

 west Weichang, 1910, W. Purdom (No. 124; fruits); Hsiao Wu-tai-shan, alt. 1600 

 m., August S, 1913, F. N. Meyer (No. 1163; fruits). 



NORTHEASTERN ASIA. Korea (ex Nakai). 



JAPAN. Kurile Islands: Etorofu, Arimoi, July 9, 1884, K. Miyabe 

 (young fruits). Hokkaido: Chemuro, July 7, 1884, K. Miyabe (fruits); prov. 

 Oshima, Hakodate, 1861, C. Maximowicz (type of var. pluricostata ; fruits); prov. 

 Ishikari, Sapporo, Mt. Moiwa, September 18, 1892, C. S. Sargent (tree 20-27 m. 

 tall, white bark; fruits); Sapporo, July 28, 1885 (from Agric. College; fruits). 

 Hondo: prov. Shinano, on Tsubakura-dake, woods, abundant, alt. 1300-1600 m., 

 September 15, 1914, E. H. Wilson (No. 7456; tree 15-17 m. tall, girth 0.3-0.6 

 m., bark white; fruits, bark); prov. Shimotsuke, Akanumamoare, July 18, 1906 

 (ex Herb. Sakurai; fruits); near Lake Yumoto, September 7, 1892, C. S. Sargent 

 (sterile); prov. Kozuke, Mt. Asama, July 14, 1904, U. Faurie (No. 5782; fruits). 



Betula japonica, var. kamtschatica Winkler in Engler, Pflanzenr. IV.-61, 79 

 (1904). 



1 As I have stated already in my III. Handb. Laubholzk. I. 116 (1904), B. lati- 

 folia Tausch in Flora 1838, 751, is the same as the American B. papyrifera 

 Marshall. 



