502 ~ WILSON" EXPEDITION TO CHINA 



A. nitida.—'Regel in Bull Soc. Nat. Mosc. XXXVIII. pt. 2, 421 (1865), 

 excl. A. nitida. — Prantl in Engler & Prantl, Nat. PJlanzenfam. III. abt. 

 1, 45 (1SS7), excl. A. nitida. — Callier apud Schneider, III. Handb. Lavh^ 

 holzk. 11. 889 (1912), excl. A. nitida, 

 Alniis, sect. Alnaster Regel in Nouv. Mem. Soc. Nat. Mosc. Xlll. 133 {Monog. 

 Betulac. 75) (pro parte) (1861), quoad A. najpalensem. 



1 refer to this group only A. nepalensis D. Don because it differs from A. 

 nitida Endhcher and also from the other species placed under sect. Gymnothyrsics 

 by its numerous handsome paniculate clusters of male catkins and by its seeds, 

 which have the same kind of wings as the species in the subgen. Alnaster and the 

 Bubgen. Cremastogyne, Besides it differs from A. nitida D. Don in its paniculate 

 female catkins and in the papillose under side of the leaves. 



12. Alnus nepalensis D. Don, Prodr. Fl. Nepal 58 (1825). — Endlicher, Gen. 

 Suppl. IV. pt. 2, 20 (1847). — Regel in Bull Soc. Nat Mosc. XXXVIli. pt. 2, 

 421 (1865); in De Candolle, Prodr. XVI. pt. 2, 181 (1868). — Brandis, Forest Fl 

 BHL Ind. 460 (1874); Ind. Trees, 623 (1906). — Kurz, Forest Fl S. Ind. II. 476 

 (1877). — Hooker f., Fl BHL Ind. V. 600 (1888). — Sargent, Silva N. Am. IX. 70, 

 inadnot. (1896).— Mouillefert, Traite Arb. & Arbriss. II. 1133 (1897).— Franchet 

 in Jour, de Bot XIII. 208 (1899). — Burkill in Jour. Linn. Soc. XXVI. 500 

 (1899).-~Collett, Fl Siml 473 (1902). — Gamble, Man. Ind. Timb. 670 (1902).— 

 Winkler in Engler, Pflanzenr. IV.-61, 108, fig. 25 (1904). — Callier apud Schneider, 

 III Handb. Laubholzk. II. 889, fig. 555 g, 556 d-f (1912). — Diels in Not BoL 

 Card. Edinburgh, VII. 41 (PI Chin, Forrest.) (1912). 



Betula Boshia Hamilton ex D. Don, Prodr. Fl Nepal 58 (pro synon.) (1825). 

 Betula leptostachya Wallich Herb. 1824 ex Wallich, Cat No. 2799 (1828). 

 Alnus napalensis Wallich, PI As, Bar. II. 27, t. 131 (1831). — Kegel in Nouv* 

 Mem. Soc. Nat Mosc. XIII. pt. 2, 141, t. 13, fig. 40-43, t. 16, fig- 4-6 (1861). 

 Clethropsis nepalensis Spach in Ann. Sci. Nat. s^r. 2, XV. 202 (1841). 



CHINA. Yunnan: Mengtsze, south of Red River, alt. 1200-1500 m., 

 forming woods, A. Henry (No. 9223, in part; trees 5-10 m. tall; fruits); same 

 locality, on mountains, forming woods, alt. 1500-1800 m., A. Henry (No. 9--^ 

 in part; trees 3-7 m. tall). For further specimens see Burkill, 1. c, and Fran- 

 chet, 1. c. 



INDIA. Kumaon : "common at alt. 4-8000 ft.," Strachey & Winterhottom 

 (flowers and fruits). Gurhwal: Gaurikund via Trijugi Narain and Maser-tfii 

 to Bilung, September 24 to October 3, 1855, Schlagintweit (No. 9372; nowersj, 

 without special locality, alt. 1000 ft., 1886, H. Mayr (tree; fruits); Nepal: aa 

 Narainhetty," December, F. Hamilton (sub nom. Betula Boshia; type, ex D.Don), 

 without special locaUty, "in montibus," 1824, N. Wallich (No. 2799, sub nona. 

 Betula leptostachya). Sikkim: " regio temp. 5-8000 ped.," /. D. Hooker iyomg 

 flowers and fruits); Darjeeling, Ryang, alt. 1500 ft., November 12, 1870, C. ^^ 

 Clarke (No. 13693; flowers); Yoksun, alt. 3500 ft., October 9, 1875, C. B. UarKe 

 (Nos. 25151^ 25151^; flowers); Lingcham, alt. 5000 ft., October 22, 1875, C.^. 

 Clarke (No. 25479; sterile); Mongpo, alt. 5000 ft., October 10, 1884, C. ^-^^[^ 

 (No. 36465^; flowers); " Sikkim superior," May 1885, Pantling (No. 46331 t^ru. 

 Clarke; fruits). Eastern Bengal: without locahty (No. 4490 Herb, y™'^ 

 fruits and flowers). Assam: without locality, 1891 Dr. King's collector (Howe 

 and fruits). . • - 



This species is abundant in southwestern Yunnan in dry woods, ^^^^J? ry 

 pure stands; it also occurs as an undergrowth in Pine woods. *^* "-' 



