1923] REHDER. THE LIGNEOUS PLANTS OF NORTHERN CHINA 135 



Populus Simonii f. fastigiata Schneider in Sargent, PI. Wilson, in. 22 



(1916). 



Chili: Shi ling, planted, F. N. Meyer, photograph no. 5288, April 13, 

 1907 and no. 5412, January 25, 1908; plants raised from cuttings introduced 

 from that locality are growing in this Arboretum. 



Shantung: Tsinan fu, planted, F. N. Meyer, photograph no. 5335, 

 September 26, 1907, no. 5831, April 8, 1913. 



Populus nigra L. var. italica L>u Koi, narDK. caumz. n. mi ^i#*;. 



Schneider in Sargent, PI. Wilson. III. 36 (1916). 



Populus nigra var. sinensis Carriere in Rev. Hort. 1867, 340— Maximowicz 

 in Bull. Soc. Nat. Moscou, liv. 50 (1879).— Franchet in Mom. Soc. Sci. 

 Nat. Cherbourg, xxiv. 255 (1884).— Burkill in Jour. Linn. Soc. xxvi. 536 

 (1899).— Seemen in Bot. Jahrb. xxix. 275 (1900). 

 ? Populus acuta David, Jour. Trois. Voy. Chin. i. 294 (1875).— Bretschneider, 

 Hist. Eur. Bot. Disc. China, 851 (1898). 

 Chili: Peking, Temple of Heaven grounds, N. H. Cowdry, no. 2153, 

 November 21, 1921; without locality, G. E. Simon (ex Carriere, 1. c). 

 Shantung: near Chifu, cultivated ?, A. A. Fauvel (ex Franchet, 1. a). 

 Shensi: near Pai shi pu, planted, F. N. Meyer, no. 1942, September 18, 

 1914; without locality, P. J. Piasezki (ex Maximowicz, 1. c, Burkill, 1. c, 

 Seemen, 1. c. and Schneider, I. c.).— See also David, 1. c. 



Kansu: P. J. Piasezki (ex Maximowicz, 1. c, Burkill, 1. c. and Schneider. 



1. c). 



Distribution: also cultivated in Europe and western Asia. 



This Poplar has been planted wherever it occurs in China. 



Populus tomentosa Carriere in Rev. Hort. 1867, 340.— Schneider in 

 Sargent, PI. Wilson, ill. 37 (1916).— Bailey, Gent. Herb. i. 16 (1920). 

 —Hers in Jour. N. China Branch R. As. Soc. lui. 113 (1922); Liste Ess. 



Lign. Honan, 22 (1922). 



? Populus coriacea David, Trois. Voy. Chin. I. 294 (1875), nomen. 



Populus alba var. denudata Maximowicz in Bull. Soc. Nat. Moscou, liv. 48 



(1879); non Hartig. 

 Populus alba Franchet in Mem. Sci. Nat. Cherbourg, xxiv. 255 (1884).— 



Burkill in Jour. Linn. Soc. xxvi. 535 (1899).— Seemen in Bot. Jahrb. 



xxxiv. beibl. lxxv. 28 (1904).— Loesener in Beih. Bot. Centralbl. xxxvu. 



abt. ii. 106 (1919).— Non Linnaeus. 

 Populus alba var. tomentosa Wesmael in Bull. Soc. Bot. Belg. xxvi. 6t6 



(1887).— Burkill in Jour. Linn. Soc. xxvi. 535 (1899). 



Chili : near Peking, E. Bretschneider; same locality, J. G. Jack, October 

 7, 1905, N. II. Cowdry, no. 2154, November 15, 1920, and J. Hers, no. 2258, 

 October 18, 1922; Yellow Temple near Peking, C. S. Sargent, September 

 16, 1903.— See also Carriere, 1. c, Maximowicz, 1. c, Burkill, 1. c, and 



Schneider, 1. c. 



Shantung: Tsingtau, 0. Nebel, R. Zimmermann, no. 297 (ex Seemen, 1. c. 



and ex Loesener, 1. c); near Chifu, cultivated (ex Franchet, 1. a). 

 Honan: Kio shan, L. H. Bailey, June 22, 1917.— See also Bailey, 1. c, 



and Hers, 1. c. 



