92 WILSON EXPEDITION TO CHINA 
Acer trifidum, var. ningpoense Hance in Jour. Bot. XI. 168 (1873). 
Kiangsi: Kiukiang Plain (at one place only), alt. 100 m., August 2, 
1907 (No. 1503). 
Sect. INTEGRIFOLIA Pax! 
Acer oblongum Wallich apud De Candolle, Prodr. I. 593 (1824). 
Western Hupeh: Ichang, around temples, alt. 30-300 m., August 
and October 1907 (No. 257); Fang Hsien, around houses, alt. 600- 
900 m., July 1907 (No. 1929, in part); Chang-yang Hsien, roadsides, 
alt. 300-900 m. (No. 1929, in part). 
Acer oblongum, var. latialatum Pax in Engler, Pflanzenreich, Heft 8 
(IV. 163), 31 (1903). 
Western Hupeh: Hsing-shan Hsien, alt. 300-900 m., May and 
October 1907 (No. 376, in part); Ichang, alt. 30-900 m., May and 
September 1907 (No. 376, in part). 
Acer laevigatum Wallich, Pl. As. Rar. II. 3, t. 104 (1831). 
Western Hupeh: Chang-lo Hsien, alt. 300-900 m., July and 
September 1907 (No. 1924). Western Szech'uan: near Ya-chou, 
alt. 600-900 m., May, June, and September 1908 (No. 979). 
Acer Fargesii Franchet apud Rehder in Sargent, T'rees and Shrubs, 
I. 180 (1905). 
Western Hupeh: Chang-lo Hsien, thickets, alt. 900-1200 m., 
May 1907 (No. 1937). 
Sect. MACRANTHA Pax, emend? 
Acer Davidii Franchet in Nouv. Arch. Mus. Paris, sér. 2, VIII. 212 
(1884). 
! To record an extension of range the following species of this section may be 
mentioned here: 
Acer cordatum Pax in Hooker’s Icon. XIX. text to t. 1897 (1889). 
reiten April to June 1905, S. T. Dunn (Herb. Hongkong Bot. Gard. No. 
2541). 
2 The fact that certain forms of A. laziflorum Pax and A. Mazimowiczii Pax 
are so similar that the separation of these species becomes difficult, has made it ap- 
parent to me, that there are no characters by which to distinguish in the case of some 
of the species the section Indivisa from the section Macrantha. I refer therefore 
all species of the Indivisa Pax to the Macrantha, except A. stachyophyllum Hiern, 
which I have already, in 1905, transferred to the section Arguta, A. distylum Siebold 
& Zuccarini, which with its paniculate inflorescence seems to find its best place in 
