— 39 — 



23. I :/ k <0 h it K & 

 (» JR fc IB 191) 



WfM^i%M7b^.)£%.^M*, mm'&V-m^lh^EM^* mas 



?, MfS--=TO£;?T^±t :>, *fI-fPf[|]^fiT-I|11175Srimi 

 7KW.J WtMMs Alnus incana / Hff h a/f^^tf-? 'J , Alnus incana /> 



ai^/h= -^g^y, $&* jflvht ? 



H^C-^^caf-^r-^iU^cO&Jl-S^^ Alnus tinctoria, Sarg. /IMj 

 r^^/I; *KUft* i- ** 9 Mi s &■» f * * J.* * V — a=g$&fc 



*s, Hik »u liic-^rs^o 



23. Alnus sibirica. Fischer. 



ex Turcz. Cat. Baic-Dah. (1838) n. 1063. Kom. Fl. Mansh. II. 

 p. 57. Call, in Schneid. Handb. I. p. 133. 



A. incana var. sibirica, Spach in Ann. Sc. Nat. 2 ser. XV. (1841) 

 p. 207. Ledeb, Fl. Ross. III. p. 656, Regel in DC. Prodr. XVI. 2. 

 p. 189. Nakai Fl. Kor. II. p. 204. 



A. incana var. glauca, Herder in Act. Hort. Petrop. XII. p. 77. 

 Palib. Consp. Fl. Kor. II. p. 48. 



Arbor usque 6-7 m. ramosa. Folia distincte petiolata, petiolis 1.5— 

 5.5 cm longis glabris v. pilosis v. rufo-puberulis, laminis orbicularibus 

 5-17 cm longis 4-17 cm latis sublobulato-incisis et argute dentatis, 

 supra viridibus infra pallidioribus et glaucinis, apice acutis basi 

 subcordatis v. rotundatis v. in foliis minimis acutis, secus venas 

 glabris v. rufo-puberulis. Inflorescentia £ racemosa v. 1-2, pendula 

 magna. Spica fructifera oblonga 2-2.5 cm longa 1.2-1.4 cm lata. 

 Nux compressa anguste alata. 



