1924| 



NORTHERN CHINA, II 159 



J. Hers, nos. 1478 and 1560, July 14 and July 16, 1921; F. N. Meyer, no. 

 1322, August 23, 1913; Hsiao Wu tai shan, Shui shih tao, alt. 1500 m., J. 

 Hers, no. 2150, October 8, 1922; Tung ling, B. E. Read, no. 103 (Herb. 

 N. E. Cowdry, no. 2203); without precise locality, Pere Chanel, no. 58, 

 1919. — See also Rehder, 1. c, Maximowicz, 1. c, Franchet, 1. c, Hemsley, 

 1. c, and Palibin, 1. c. 



Kansu: Min chow, W. Purdom, no. 1020, 1910; Choni district, W. 

 Purdom, no. 1131, 1910. 



The original description of this species was based on cultivated plants 

 raised from seed distributed by Dr. Bretschneider about 1880. 



Hydrangea Bretschneideri var. glabrescens Rehder in Mitt. Deutsch. 

 Dendr. Ges. xxi. 186 (1912).— Limpricht Bot. Reis. Hochgeb. Chin. 

 Ost.-Tib. 402 (1922), as forma. 



Hydrangea serrata Koehne, Deutsche Dendr. 189 (1893). — Non De Candolle. 

 Hydrangea xanthoneura var. glabrescens Rehder in Bailey, Cycl. Am. Hort. 

 ii. 784 (1900). 



Chili: Weichang, W. Purdom, no. 76, 1910; Hsiao Wu tai shan, J. 

 Hers, no. 1484, July 14, 1921; without precise locality, W. Purdom, no. 

 978, 1910; Plre Chanel, no. 26, 1918.— See also Limpricht, 1. c. 



Shansi: Wu tai shan, alt. 1600 m„ J. Hers, no. 2632, July 29, 1923; 

 Wu chai hsien, Ta nan kow, alt. 2000-3000 m., Tchuang Kieh, Hers no. 

 2031, September 7, 1922. 



Shensi: Tsing ling shan (ex Limpricht, 1. c). 



This, like the type of the species, was originally described from culti- 

 vated plants raised from seed sent by Dr. Bretschneider. It should perhaps 

 be considered a form, as proposed by Limpricht, rather than a variety. 



Hydrangea xanthoneura Diels var. Wilsonii Rehder in Sargent, PI. 



Wilson, i. 27 (1913). 



Honan: Tsi yuan hsien, Tien tan shan, J. Hers, nos. 1752, 1761, Sep- 

 tember 21, 1921. 



Shensi: Kin qua san, G. Oiraldi, July 10, 1897; Kian san, G. Giraldi, 



August 4, 1897; without precise locality, G. Giraldi, 1897; Tai pei shan, 

 W. Purdom. no. 976. 1910. 



Distribution: also Hupeh, Szechuan, Yunnan. 



Mitt 



Dendr. Ges. xxi. 186 (1912). 



Hydrangea Giraldii Diels in Bot. Jahrb. xxix. 373 (1900). 

 Hydrangea Bretschneideri var. setehuenensis Rehder in Sargent, '. 

 i. 28 (1913). 



Hydrangea Bretschneideri var. Giraldii Rehder, 1. c. 39 (1913). 



Shensi: various localities, G. Giraldi (ex Diels, 1. c). 

 Distribution: also Hupeh, Szechuan. 



Wilson 



Giraldi 



of which I have seen no specimen except a photograph of one of the types 

 from H. xanthoneura var. setehuenensis; the fact that the leaves of the 



