ACERACEAE. ACER 91 



Acer flabellatum Rehder in Sargent, Trees and Shrubs, I. 161, t. 81 

 (1905). 



Western Hupeh: Sheng-tung-chin, Fang Hsien, woods, alt. 

 2100 m., May 19, 1907 (No. 683, flowers); Chang-yang Hsien, alt. 

 1200-1800 m., June and October 1907 (Nos. 1891, 1912); Hsing-shan 

 Hsien, woods, alt. 1800 m., May 19 and June 4, 1907 (Nos. 1902, 

 1911); Patung Hsien, woods, alt. 1500 m., July 1907 (No. 1910). 

 Western Szech'uan: Wa-ssu country, Wen-chuan Hsien, woods, 

 alt. 1800-2100 m., July and September 1908 (No. 1006), alt. 2700 m., 

 October 1910 (No. 4101); Nin-tou-shan, west of Kuan Hsien, thickets, 

 alt. 2100 m., June 20, 1908 (No. 1908). 



Acer caudatum Wallich, PL As. Ear. II. 4, 28, t. 132 (1831). 

 The typical form does not occur in China. 



Acer caudatum, var. multiserratum (Maximowicz) Rehder in Sar- 

 gent, Trees and Shrubs, I. 163 (1905). 



Western Hupeh: Fang Hsien, woods and thickets, common, alt. 

 2300-2700 m., June and September 1907 (Nos. 309, 1928). Western 

 Szech'uan: Mupin, woods, alt. 2100-2700 m., June and July 1908 

 (Nos. i no, in part, 1930); southeast of Tachien-lu, woods, alt. 2100- 

 2700 m., June and October 1908 (Nos. ino, 4335); Wa-shan, woods, 

 alt. 2100-2700 m., June and October 1908 (No. 1161); southeast of 

 Sungpan, woodlands, alt. 2400-2700 m., August 1910 (No. 4510); 

 Pan-lan-shan, west of Kuan Hsien, woods, alt. 2700-2900 m., October 

 1910 (No. 4143). 



Most of the Szech'uan specimens approach var. Prattii Rehder in the more or 

 less pubescent petioles and branchlets. 



Acer caudatum, var. Prattii Rehder in Sargent, Trees and Shrubs , I. 

 164 (1905). 



Western Szech'uan: Mupin, woods, alt. 2700 m., October 1910 

 (No. 4211); Wa-ssu country, Wen-chuan Hsien, alt. 2400 m., Novem- 

 ber 1910 (No. 4103). 



Acer tataricum Linnaeus, Spec. II. 1054 (1753). 

 Western Hupeh: Ichang, roadside thickets, alt. 300 m., May 3, 

 1907 (No. 1933). Chekiang: Ningpo, I. Macgregor. 



Acer trifidum Hooker and Arnott, Bot. Voy. Beechey, 174 (not 

 Thunberg) (1841). 

 Chekiang: Ningpo, /. Macgregor. 



