JUGLANDACEAE, — PTEROCARYA 181 
PTEROCARYA Kunth. 
Sect. EuPTEROCARYA Rehder and Wilson, n. sect. 
Gemmae nudae, plerumque plures superpositae; amenta mascula 
e gemmis nudis axillaribus infra apicem ramuli anni praeteriti orientia. 
Pterocarya stenoptera C. De Candolle in Ann. Sci. Nat. sér. 4, 
XVIII. 34 (1862); Prodr. XVI. pt. 2, 140 (1864). — Hance in Jour. 
Bot. XI. 376 (1873). — Maximowiez in Bull. Acad. Sci. St. Péters- 
bourg, sér. 3, XVIII. 64 (1873); (in Mél. Biol. VIII. 639 (1873).— 
Lavallée, Icon. Arb. Segrez. 65, t. 19 (1885). — Skan in Jour. Linn. 
Soc. XXVI. 494 (1899). — Pritzel in Bot. Jahrb. XXIX. 274 (1900). 
— Dunn & Tutcher in Kew Bull. Misc. Inform. add. ser. X. 250 (Fl. 
Kwangtung & Hongk.) (1912). 
rie laevigata Hort. ex Lavallée, Icon. Arb. Segrez. 65 (pro synon.) 
Pter ocarya chinensis Hort. ex Lavallée, 1. c. (pro synon.) (1885). 
ere japonica Hort. apud Dippel, Handb. Laubholzk. II. 329, fig. 151 
Pterocarya stenoptera, a typica Franchet in Jour. de Bot. XII. 317 (1898). — 
Pampanini in Nuov. Giorn. Bot. Ital. n. ser. XVII. 249 (1910). 
Pterocarya stenoptera, 8 kouitchensis Franchet in Jour. de Bot. XII. 318 
(1898). — Léveillé, Fl. Kouy-Tchéou, 203 (1914). 
Kiangsi: Kiukiang, side of streams, alt. 300 m., August 2, 1907 
(No. 1660; tree 10-25 m. tall, girth 1-5 m.). Western Hupeh: 
Ichang, 30-1000 m., April, June and October 1910 (No. 3214); same 
locality, April 1900 (Veitch Exped. No. 117); Changyang Hsien, alt. 
1000 m., December 1907 (No. 788; tree 30 m. tall, girth 6 m.); with- 
out locality, A. Henry (No. 1332); “ On-kia-ki,” April to May, C. 
Silvestri (No. 316). Yunnan: Lunan, river-side, A. Henry (No. 
10573). Chekiang: Ningpo, 1861, R. Oldham. Fokien: Dunn's 
Exped., April to June 1905 (Hongkong Herb. No. 3863). Kwang- 
tung: Canton, cultivated, 1872 (Herb. H. F. Hance, No. 17623). 
This is one of the commonest trees on river-banks and on the stony and sandy 
beds of summer torrents in Hune eripi aom, up to 1000 m. altitude. On the 
iet Hive and its main tributaries it is the iat tree to appear on newly 
. Iti ick. ing ti ttaining t 25-30 m. 
and a girth of lic. hr pa ih iene lune branches and thick, deeply 
sured gray bark. Young plants spring from the roots and frequently form 
thickets on dry stony or sandy river-beds. The wood is soft, brittle and of no value 
except for fuel. In Shanghai, Hankow and other cities it is commonly planted as 
à street tree and by foreigners is called “ Chinese Ash.” Near Ichang, where this 
tree is particularly abundant, it is colloquially known as the Liu-shu. 
