STYKACEAE. — PTEROSTYEAX 295 



PTEROSTYRAX Sieb. & Zucc. 



Pterostyrax corjmibosus Siebold & Zuccarini, Fl. Jap. I. 96, t. 47 

 (1835). — De Candolle, Prodr. VIII. 269 (1844). — Miquel in Ann. 

 Mils. Lugd.-Bat. III. 101 (1887); Prol. FL Jap. 265 (1866-67).— 

 Perkins in Engler, Pflanzenr. IV. - 241, 100, fig. 17 (1907).— 

 Schneider, III. Handb. Laubholzk. II. 563, fig. 380 e-i (1911). 



Halesia corymbosa Nicholson, Did. Gard. II. 109 (1886). — Giirke 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 Ahh. Akad. Miinch. 

 IV. 3, 132 {Fl. Jap. Fam. Nat. II. 8) (1846). — Carriere 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, III. Handb. 

 Laubholzk. II. 484, fig. 308 (1911). 



Pterostyrax micranthum Siebold & Zuccarini in Abh. Akad. Munch. IV. 3, 

 132 {Fl. Jap. Fam. Nat. II. 8) (1846). — Miers, Contrib. Bot. I. 196 (1851- 

 61). 



Halesia hispida Masters in Gard. Chron. II. 176, fig. 34(1844). — Nicholson 

 in Diet. Gard. II. 110, fig. 166 167 (1886). — Hemsley in Jour Linn. Sac. 

 XXVI.'76 (1889). — Giirke in Engler & Prantl, Nat. Pflanzenfam. IV.- 

 1, 176, fig. 91 a-z (1891). — Diels in Bot. Jahrb. XXIX. 529 (1900).— 

 Shirasawa, III. Ess. For. Jap. II. 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 

 locahty, A. Henry (Nos. 3774, 5595c). Western Szech'uan: 

 Chingchi Hsien, mountain-side, alt. 1300 m., September 16, 1908 

 (No. 1 168, in part; tree 15 m. tall, 1 m. girth); Wa-shan, woodlands, 



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