1923] REHDER, THE LIGNEOUS PLANTS OF NORTHERN CHINA 149 



BETULACEAE 



Ostryopsis Davidiana Decaisne in Bull. Soc. Bot. France, xx. 155 

 (1873).— Hance in Jour. Bot. xm. 137 (1875).— Maximowicz in Mel. 

 Biol. xi. 316 (1881); in Bull. Acad. Sci. St. Petersb. xxvu. 535 (1882). 

 Palibin in Act. Hort. Petrop. xiv. 140 (1895). — Burkill in Jour. Linn. 

 Soc. XXVI. 502 (1899).— Winkler in Engler, Pflanzenr. iv-61, 20, fig. 5 

 (1904).— Schneider in Sargent, PI. Wilson, n. 423 (1916).— Meyer in U. S. 

 Dept. Agric. Bur. PI. Indust. Invent. Seeds PL Imp. xxxvu. 58, no. 

 36731 (1916).— Hers in Jour. N. China Branch R. As. Soc. liii. 112 (1922) ; 



Liste Ess. Lign. Honan, 20 (1922). 



Corylus Davidiana Baillon, Hist. PI. vi. 224, fig. 174 (1877).— Franchet in 

 Nouv. Arch. Mus. Paris, ser. 2, vn. 88 (PL David, i. 278) (1884). 



Chili: Weichang, alt. 4500 ft., W. Purdom, no. 3 (1909); Calceen wong, 

 W. Purdom, no. 69, 1910; Kalgan, N. H. Cowdry, no. 1379, June 2, 1921; 

 Po hua shan, J. Hers, no. 1450, July 1, 1921; Hsiao wu tai shan, F. N. 

 Meyer, no. 1125, August 8, 1913; N. H. Cowdry, no. 1660, July 13, 1921; 

 Hsiao wu tai shan, Tieh ling, alt. 1300 m. J. Hers, no. 2143, October 7, 

 1922. — See also Decaisne, 1. c, Hance, 1. c, Maximowicz, 1. c, Francbet, 

 L c, Palibin, 1. c, Burkill, 1. a, Winkler, 1. c, Schneider, 1. c, and Meyer, 

 1. c. 



Honan: Hwei hsien, Shansi border, «/. Hers, no. 703, June 19, 1919. 

 See also Hers, 1. c. 



Shansi: Wu chai hsien, Ta nan kow, 2000-3000 m., Tchuang Kieh, 

 Hers no. 2006, September 7, 1922. 



Shensi: Yenan fu district, W. Purdom, no. 384, 1910. — See also Winkler, 

 1. c. 



Kansu: Near Lau tschen, valley of Hoangho, P. J. Piasezki (ex Maxim- 

 owicz, 1. c, and Burkill, L c). 



Distribution: also northwestern Szechuan. 



Carpinus cordata Blume, Mus. Bot. Lugd.-Bat. i. 309 (1850). — Burkill 

 in Jour. Linn. Soc. xxvi. 501 (1899). — Diels in Bot. Jahrb. xxix. 279 

 (1900).— Schneider in Sargent, PL Wilson, n. 435 (1916).— Limpricht, 



Bot. Reis. Hochgeb. Chin. Ost-Tib. 354 (1922). 



Carpinus cordata var. sinensis Hers in Jour. N. China Branch R. As. Soc. 

 liii. 107 (1922) ; Liste Ess. Lign. Honan, 6 (1922) ; non var. chinensis Franchet. 



Chili: Jehol, W. Limpricht (ex Limpricht, 1. c.) 



Honan: Sung hsien, Sih tze miao, J. Hers, no. 567, May 26, 1919; 

 Sung hsien, San kuan miao, J. Hers, no. 553, May 24, 1919; Tsi yuan 

 hsien, Tien tan shan, «/. Hers, no. 1788, Sept. 21, 1919; Lao kiun shan, 

 alt. 1500-2000 m., J. Hers, no. 1174, Sept. 21, 1919; Lu shih, Hiung eul 

 shan, alt. 1400 m., J. Hers, no. 907, October 10, 1919. See also Hers, 1. c. 



Shensi: Kin tu san, G. Giraldi, July 14, 1897; Kuan yen tang, F. N. 

 Meyer, no. 1921, Sept. 15, 1914; Lung chow, Sien fo shan, alt. 1000 m., 

 J. Hers, no. 2322, July 2, 1922. — See also Burkill, 1. c, Diels, L c, and 

 Schneider, 1. c. 



