1923] REHDER, THE LIGNEOUS PLANTS OF NORTHERN CHINA 123 



near Peking, grave yard, J. Hers, no. 1557, January, 1921. — See also 

 Meyer, 1. c. (1915), and Limpricht, 1. c. 



Shansi: Wutai shan, Temple of "Tchai ling tse," F. N. Meyer, no. 257 

 (22672, type), February 25, 1908; Wutai shan, alt. 3000 m., W. Purdom, 

 no. 144, 1910; Ta lau tse, F. A 7 . Meyer, no. 275 (S. P. I. no. 22679), March 1, 

 1908 (Herb. U. S. Dept. Agric); Wuchai tsien, Ta nan kow, Tchuang Kieh, 

 Hers nos. 2032, 2041, September 7, 1922.— See also Meyer, 1. c. (1909), 

 Rehder & Wilson, 1. c. 28. 



Kansu: Tao chau ting, W. Purdom, no. 790, 1911; Choni, W. Purdom, 

 no. 813, 1911; near Liang dja pa, alt. 2000 m., F. N. Meyer, October 14, 

 1914; Ku len tze, F. N. Meyer, November 25, 1914; Tow River, W. Purdom, 

 no. 790, 1911.— See also Rehder & Wilson, 1. c. 28, 29. 



This and the preceding species seem to be the only Spruces which occur 

 in northeastern China; P. Meyeri has not yet been found outside of this 

 area, while P. Wilsonii extends into northern Hupeh. Additional material 

 received after the publication of the account of these species in Plantae 

 Wilsonianae has shown that both species are very variable, but that it is 

 not possible to distinguish a third species and that the specimens enumer- 

 ated under P. Schrenkiana should be referred partly to P. Meyeri and 

 partly to P. Wilsonii. These two species are quite distinct; in P. Wilsonii 

 the branchlets are slenderer, always glabrous, with very short scarcely 

 raised petioles, and very pale, becoming light gray or whitish the second 

 year, when the bark begins to peel off in small thin flakes; the leaves are 

 rather short and slender and usually straight, the cones are pale yellowish 

 or grayish brown, dull and 4-8 cm. long; in P. Meyeri the branchlets are 

 stouter, more or less pubescent, with distinct spreading petioles 1-2 mm. 

 long, and with cinnamon-brown to dull orange-yellow firm and close 

 bark changing later to gray; the leaves are stout, usually curved and 

 obtusish, the cones are brown and lustrous and 6-10 cm. long with firm 

 and stiff scales. The leaves of most of the specimens enumerated here 

 under P. Wilsonii have stouter and more obtuse leaves than the type 



and it is possible that P. Mastersii Mayr which was based on Shansi 

 material represents a northern form of P. Wilsonii with more obtuse and 

 stouter leaves. 



To one of these two species probably belongs the Picea spec, found by 

 Nebel at Tsingtau near Huitshuen (see Bot. Jahrb. xxxiv. beibl. lxxv. 

 16 [1904] and Beih. Bot. Centralbl. xxxvn. abt. n. 84 [1919]). Nebel also 

 states that dry branches of this Spruce are brought from the Laushan 

 for fuel. As Professor Loesener writes me no specimens of this Shantung 

 Spruce have been sent to the Berlin Botanical Museum. 



Picea purpurea Masters in Jour. Linn. Soc. xxxvn. 418 (1906). — Rehder 

 & Wilson in PI. Wilson, n. 29 (1914). 



Kansu: Tao chau ting, W. Purdom, no. 815, 1911. — See also Rehder & 

 Wilson, 1. c. 



Distribution: also western Szechuan. 



