DIOSCOREACEAE. 
Determined by ALFRED REHDER. 
DIOSCOREA L. 
Dioscorea acerifolia Uline apud Diels in Bot. Jahrb. XXIX. 261 
(nomen nudum) (1900). — Prain & Burkill in Jour. As. Soc. Bengal, 
LXXIII. pt. 2, Suppl. 7 (1904); in Prain, Contrib. Ind. Bot. 419 (1906). 
Dioscorea quinqueloba C. H. Wright in Jour. Linn. Soc. XXXVI. 92 (1903), 
synon. exclud. — Pampanini in Nuov. Giorn. Bot. Ital. n. ser. XVII. 243 
(1910); XVIII. 110 (1911). 
Western Hupeh: north of Ichang, thickets, common, alt. 1200- 
1500 m., July 1907 (No. 2923; climber 3-5 m.) ; without precise local- 
ity, A. Henry (Nos. 150, 5870, 58705, 7358). 
Dioscorea zingiberensis C. H. Wright in Jour. Linn. Soc. XXXVI. 
93 (1903). — Pampanini in Nuov. Giorn. Bot. Ital. n. ser. XVII. 243 
(1910); XVIII. 165 (1911). 
Western Hupeh: north and south of Ichang, thickets, alt. 1200- 
1500 m., July 1907 (No. 2921; climber 2-3 m., rootstock — 
without precise locality, A. Henry (No. 1621). 
Dioscorea japonica Thunberg, Fl. Jap. 151 (1784). — Miquel in 
Ann. Bot. Lugd.-Bat. III. 159 (1867), exclud. synon.; Prol. Fl. Jap. 
323 (1867), exclud. synon. — Franchet & Savatier, Enum. Fl. Jap. 
II. 47 (1879). — Makino, IU. Fl. Jap. I. t. 22 (1890). — Diels in Bot. 
Jahrb. XXIX. 261 (1900). — C. H. Wright in Jour. Linn. Soc. Bot. 
XXXVI. 92 (1903). 
Western Hupeh: Patung Hsien, thickets, alt. 900 m., July 1907 
(No. 2922; climber, 3 m.; staminate flowers). 
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