Nr. 27. Alnus Formen der europäischen Herbarien und Gärten. 121 
Lappung meist nur schwach, an Schossen auch rundlicher und kräftiger gelappt; 
Blattstiel 1,5— 3 cm lang, rotbraun, kahl; weibliche Blütenstände zur Blütezeit purpur- 
rot; Fruchtstände zu 5—8, bis 2,8:1,8 cm groß, Stiele der Fruchtstände etwa 
0,2—0,3 cm lang; Fruchtschuppen oben schwach eingeschnitten, abgerundet, äußere 
und innere gleich lang; Frucht ziemlich breit und dicklich geflügelt. 
Literatur: A. rubra Bongard, in Memoires Ac. St. Petersbourg II 162 (1833). 
— Hooker, Flor. boreal. Americ. II 158 (1838). — Spach, Revisio Betulac. in Ann. 
sc. natur. ser. II, XV 205 (1841). — Ledebour, Flor. rossic. III 656 (1846— 51). 
— Endlicher, Genera plant. Suppl. IV, II 20 (1847). — Regel, Bemerkung. zu Betula 
u. Alnus in Bull. soc. natur. Moscou XXXVIII 429 (1865). — in DC. Prodrom. 
XVI 2, 186 (1868). — Kothrock, Flora v. Alaska in Ann. Rep. Smithon. Instit. 454 
(1868). — Willkomm, Forst. Flora 280 (1875). — Watson, Geolog. Surv. of Cali- 
fornia II 80 (1840). — Sargent, Report on the forests of N. Americ. 163 (1884). 
— Mechan, Catal. of plants coll. in South Alaska in Proced of Acad. nat. sc. Phi- 
ladelphia 91 (1885). — Macoun, Catal. Canad. plants III 437 (1886). — Mayr, 
Waldung. N. Amer. 285 (1890). — Herder, Plant. Raddean. in Act. hort. Petropolit. 
XII 3, 73 (1892). — Dippel, Handb. d. Laubholzk. II 157, fig. 77 (1892). — 
Koehne, Deutsche Dendrolog. 114 (1893). — Greene, Manual of Botany San Fran- 
cisko Bay. 298 (1894). — £. Kurtz, in Engler, botan. Jahrbüch. XIX 405 (1895). 
— Rehader, in Barby et Miller, Cyclopaed. Americ. Hortic. I 47 (1900). — Callier, 
in Schneider, Ill. Handb. d. Laubholzk. I ı32 fig. 68f—f?. — 72de (1904). — 
HA. Winkler, Betulaceae 124 fig. 27. ©. F. (1904). — Mayr, Fremdl. Wald- u. Park- 
bäume 477 (1906). — Briüton, N. Americ. Trees. 262 fig. 220 (1908). 
A. oregona Nuttal., Sylva Americ. I 28 t.9 (1842). — I 44 (1857). 
Sargent, Silva of North Americ. IX 73 Tab. 454 (1896). — Wildeman, Icon. select, 
hort. Thenens. II ı51 (1900). — Ascherson et Graebner, Synopsis IV 428 (Igıı). 
A.incana var. rubra Regel, Monogr. Betulac. 157 Tab. XVII fig. 3—4 (1861). 
A. rubra Desf. Petzold et Kirchner, Arboret. Muscav. 600 (1864). 
Standorte: Sitcha: leg. ? (Hb. L.—Pt.— Zu. Mü.). — leg. Tiling (Hb. Pt.). — 
leg. Ledebour? (Hb. Pr. U.). — leg. Mertens (Hb. Pt.). — leg. Stewart (Hb. Pt.). — 
leg. Bongard (Hb. Me. Pt... — Nord-Amerika: Vancouver Island: leg. Wood. 
(Hb. Boi.—Kew.). — leg. Lyall (Hb. Pt... — Victoria leg. Macoun. (Hb. Kp.). — 
Renfrew leg. Rosendahl et Brand [134] (Hb. Kp.—Wa.). — Vancouver City leg. 
Fowler (Hb.Chr.). — Saskatchawan: leg. Bürger (Hb. Pt.). — Californien: leg. 
Vasey (Hb.Pt.). — leg. ? (Hb. Wesmael Brü.). — leg. Bolander [6474] (Hb. Boi.). 
— Albion River leg. Murphey [13] (Hb. Wa.). — Duncan Mill leg. Jones [3484] 
(Hb. Brü.—Bdp.). — Mendocino leg. H. E. Brown [862] (Hb. De.— Wa.). — Berkley 
leg. Vasey (Hb. Wa.). — leg. Japson (Hb. Be.—Wa.). — San Francisco leg. Bolander 
(Hb. Fl). — Colonie Rosa leg. Wrangell (Hb. Fi. Pt.). — Cinlity leg. Engelmann et 
Sargent (Hb. Pt... — Wilkinson leg. Engelmann et Sargent (Hb. Pt.). — Twarnest 
leg. Japson (Hb. Be.). — Ilena leg. Japson (Hb. Be.). — Chilliwak- Valley leg. Macoun 
[67995] (Hb. Be.). — Idaho: Valley of Clarks Fork. leg. Leiberg [1669] (Hb. Wa. 
—C.). — on Mts. leg. Henderson (Hb. Wa.—C.). — Oregon: Lower Frazer 
River leg. Lyall (Hb. Boi.—Kew.). — [sine loco] leg. Th. J. Howell (Hb. Brü.—De. 
—Pr. B—Kk.W.U.). — Clokes River leg. Geyer [215] (Hb. De.—Roe. Lp.). 
Washington: Olympia Mts. leg. Eimer [2759] (Hb. De.). — Valley of the Nesqually 
leg. Allen [211] (Hb. Brm.—Mü.—W.U.) — Kultiviert: Berlin: Wildpark leg. 
Bornmüller (Hb. Bor.). — botan. Garten: [als A. maritima] leg. Callier (Hb. C.). — 
Hannov. Münden: botan. Garten: [als A. maritima] [als A. rubra] leg. v. Poser 
(Hb. ©.). — Karlsruhe: botan. Garten [als A. Washingtoniana] leg. Graebner (Hb. 
C.). — Arboret Plantieres: [als A. oregona] leg. Simon Louis (Hb.C.). — Ar- 
boret Spaeth: [als A. oregona] leg. Jensen (Hb. C.). — Tharandt: botan. Garten 
[als A. oregona] leg. Büttner (Hb. C.). — Arboret Weener: [als A. maritima] leg. 
