CORRECTIONS AND ADDITIONS TO VOLUME I 427 



Pax have been separated from Acer as a distinct genus under the name of Crula 

 (in Am. Midland Nat. II. 140 [1911]). A. R. 



Acer griseum (p. 97). Add the following number: 



Western Hupeh: north of Ichang, margin of woods, alt. 1500-2000 m., 

 1907 (No. 719; trees 8-16 m. tall; plants only). 



Acer (p. 98). At the end of the genus insert: 



Acer spec. 



Western Hupeh: north and south of Ichang, woods, alt. 1500-2000 m., 

 1907 (No. 684; tree 10 m., girth 0.6 m., cymes large; seeds only). 



Acer spec. 



Western Szech'uan: west and near Wen-ch'uan Hsien, alt. 2600-2800 m., 

 1910 (No. 4109; tree 8-12 m. tall, girth 1-1.6 m.). 



Vitaceae 

 Ampelopsis aconitifolia (p. 100). Insert the following variety: 

 Ampelopsis aconitifolia, var. palmiloba Rehder in Mitt. Deutsch. Dendr. Ges. 

 XXI. 190 (1912); in Bailey, Stand. Cycl. Hort. I. 278 (1914). 



Ampelopsis palmiloba Carriere in Rev. Hort. 1867, 451, fig. 40. 

 Ampelopsis tripartita, Carriere, 1. c. 1868, 39. 



Ampelopsis aconitifolia, var. typica Koehne, Deutsch. Dendr. 400 (1893). 

 Vitis aconitifolia J. H. Veitch in Jour. Roy. Hort. Soc. XXVIII. 392, fig. 87 



(non Hance) (1904). 

 Ampelopsis rubricaulis Schneider, III. Handb. Lauhholzk. II. 321, fig. 213 h-h' 



(non Carriere) (1909). 



Western Szech'uan: Mao-chou, valley of Min River, common on cliffs, alt. 

 2300 m., August 1910 (No. 4024). 



This variety was first known only from cultivated plants. The original descrip- 

 tion is based on plants introduced by David from China, probably from the neigh- 

 borhood of Peking, and it is possible that the plant is distributed from the 

 moimtains west of Peking through Mongolia to northwestern Szech'uan. 



Ampelopsis (p. 101). After A. megalophylla insert: 



Ampelopsis Watsoniana Wilson in Jour. Roy. Hort. Soc. XLII. (1916). 

 Vitis leeoides J. H. Veitch in Jour. Roy. Hort. Soc. XXVIII. 395, fig. 95, 96 (non 

 Maximowicz) (1904); Hortus Veitch. 384 (1906). 



Western Hupeh: without precise locality, 1900 (Veitch Exped. Seed No. 

 629). 



This species is easily distinguished from AmpelopsUi leeoides Planchon by its 

 always simply pinnate leaves. 



Parthenocissus Thomsonii (p. 101). Add the following numbers: 

 Western Szech'uan Wen-ch'uan Hsien, on rocks, alt. 2300-2S00 m., 

 September 1910 (No. 4189; 3-4 m., fruit black). Yunnan: Mcngtsze, ravines, 

 alt. 2600-2700 m., A. Henry (Nos. 10754, 10754"; large climber, yellow 

 flowers). 



Parthenocissus himalayana (p. 101). Add the following numbers: 

 Eastern Szech'uan : Nanch'uan, " Ma tzu ai," August 1891, .4. von Rosthom 

 (No. 409). Western Szech'uan : Ta-p'ao-shan, northeast of Tachien-lu, climb- 



