in^ AMENTACEJE i 



Ohs: Numerus staniinum , prgesentla perlgonii in ' 

 fluribus masculis , ac fruclus struclura dislinguunt , 

 geuus hoc a praecedeuti , cui ceterum habitu similli- 

 mum. Constat autem 12. circiter stirpibus , inter \ 

 quas 4* europsese. ] 



^ i. A. glutinosa = W. sp: IV. 334» = Spr: syst: I 

 III. 848. = Gsertu: fr: II. p. 5^. t. 90. f. 2. Dubam: i 

 arb: I. t. i5. BcLula ALnus L. sp: iSg^. Vern: Verna \ 

 roussa {Eur. passim , Asia, Afr. et Amer: bor: Pe- 

 dem-. in sylvis sub-humidis atque ad fossas aquarum j 

 vulgatissima All: n. 1974- sub Belula Alno. Copio- 

 sissima in locis bumidis secus torrentes atque flumina ■ 

 Re fl: segus: p. 79. et fl: tor: II. p. la^- Biroli fl: j 

 acon: II. p. 118. Sardin: juxta rivulos Moris st: sard: ' 

 I, p. 4^0' -^rbor mediocris ramosissima ramis erectis, 

 folia ampla sub-rotundo-cuneata inajquabler serrata 

 gUitinosa glabra axillis venarura: subtus villosiusculis , 

 amenla masc: elongata pendula foemin: brevia erecta, 

 fructus de anuo in annum persistens. Undique culta I 

 prajsertim ad praforum fossas, cilo crescit. Variat fo- | 

 liis emarginatis (^Bctula emarginata Ehr: arb: n. 9.), 1 

 vel sub-rotundis incisis (B. incisa W. arb: 440' ^^^ 1 

 oblougis pinnatifidis (B. laciniata W. 1, c), vel de- i 

 mum oblougis obtuse sinuatis (B. quercifolia W. 1. c). 



* 2. A. incana = W. sp: IV. 335. = Spr: sysl: ' 

 III. 848. = Lundmark in act: holm: 1790. t. 5..pro ' 

 var: y pinnata sec: W. 1. c Betula Alnus var: B L. 

 sp. 1394. B. incana L. suppl: 4 '7* Vern: J^crna 

 hianca (^Borussia, Austria , Suecia, Russia, Gallia , \ 

 Japon: , Anier: bor: Pedeni: locis- humidis et subal- 

 pinis frigidis rarior tamen quam prior BellArd: app: ; 



