STYRACEAE. — PTEROSTYRAX 295 
PTEROSTYRAX Sieb. & Zucc. 
. — Pterostyrax corymbosus Siebold & Zuccarini, Fl. Jap. I. 96, t. 47 
(1835). — De Candolle, Prodr. VIII. 269 (1844). — Miquel in Ann. 
Mus. Lugd.-Bat. III. 101 (1887); Prol. Fl. Jap. 265 (1866-67). — 
Perkins in Engler, Pflanzenr. IV.-241, 100, fig. 17 (1907).— 
Schneider, ZU. Handb. Laubholzk. II. 563, fig. 380 e-i (1911). 
Halesia corymbosa Nicholson, Dict. Gard. II. 109 (1886). — Gürke in Engler & 
Prantl, Nat. Pflanzenfam. IV.-1, 177 (1891). 
Kiangsi: Kuling, thickets, common, alt. 1300 m., July 29, 1907 
(No. 1603; tree 5 m. tall). Also in Japan. 
This species has not been reported before from China. The Kiangsi specimen 
differs from the typical form only in the much reduced teeth of the leaves; the 
leaves are minutely and rather remotely denticulate and the smaller ones nearly 
entire, but similar forms also occur in Japan. 
Pterostyrax hispidus Siebold & Zuccarini in Abh. Akad. Münch. 
IV. 3, 132 (Fl. Jap. Fam. Nat. II. 8) (1846). — Carrière in Rev. Hort. 
1875, 307, fig. 50; 1876, 394, fig. 83, 84. — Koehne, Deutsch. Dendr. 486, 
fig. 80 (1893). — Dippel, Handb. Laubholzk. I. 312, fig. 202 (1889). — 
Perkins in Engler, Pflanzenr. IV. - 241, 102, fig. 18 (1907).— N. E. 
Brown in Bot. Mag. CXXXVI. 8329 (1910). — Schneider, ZW. Handb. 
Laubholzk. II. 484, fig. 308 (1911). 
Pierostyrax micranthum Siebold & Zuccarini in Abh. Akad. Münch. IV. 3, 
s (Fl. Jap. Fam. Nat. II. 8) (1846). — Miers, Contrib. Bot. I. 196 (1851- 
Hania hispida Masters in Gard. Chron. II. 176, fig. 34 (1844). — Nicholson 
in Dict. Gard. II. 110, fig. 166 167 (1886). — Hemsley in Jour Linn. Soc. 
XXVI. 76 (1889). — Gürke in Engler & Prantl, Nat. Pflanzenfam. IV.~ 
1, 176, fig. 91 a-z (1891). — Diels in Bot. Jahrb. XXIX. 529 (1900). — 
Shirasawa, Jil. Ess. For. Jap. Il. t. 65, fig. 1-3 (1900). 
Western Hupeh: north and south of Ichang, woodlands, alt. 
1000-2300 m., May and October 1907 (No. 497, in part; tree 10-16 m. 
tall 1-2 m. girth, flowers white); Hsing-shan Hsien, woodlands, alt. 
1300-2000 m., May 20, 1907 (No. 497, in part); Fang Hsien, wood- 
lands, alt. 1600-2000 m., May 22, 1907 (No. 497, in part); Changyang 
Hsien, woodlands, alt. 1300-2000 m., May 1907 (No. 497, in part) : 
same locality, May 1900 (Veitch Exped. No. 671); without precise 
locality, A. Henry (Nos. 3774, 5595c). Western Szech'uan: 
Chingchi Hsien, mountain-side, alt. 1300 m., September 16, 1908 
(No. 1168, in part; tree 15 m. tall, 1m. girth); Wa-shan, woodlands, 
