MONOECIA. PoLYAND. 293 



prope Jferden f atque trans jRhenum, prope Alfen, 

 Hheinberg, aliisquc locis saepc in svlvis occurrit sponta- 

 nca, certe ibi non plantula. E Britannia quoque 

 haud c.YuIat. 



412. B E T U L A. L. P. 2105. W. i696. 



1155. B. all^a. L. P. i. w. 1. 



lJ* 4,5. In S}lvaticis vulgarls. — In adulta rami 

 fere scniper arcuato-penduli , juniores tuberculalo- 

 scabri ; folia subtrianjjularia. 



1156. B. gliitinosn. fraliroth. 



tJ. 4,5. In ncmoribus sabulosis et lutosis fere 

 ubiquc. — Internicdia inter praecedentem et sequen- 

 tcm, ab utraquc distincta: raujis junioribus nequc tu- 

 berculato-scabris nctjuc pubcscentibus , sed nitidis, 

 subviscosis , in arbore adulta plcrumque vcrticaliter 

 atquc longissime ])endulis ; foliis longius pctiolatis, 

 sacpe minoribus, basi productis, rhomboideis, junio- 

 ribus non ni^osis ; paulo scrius dcnique, ac prior, Ilorct. 



1157. B. i)nbcscens. Ehrhart. P. 2. W. 2. 



^. 5,6. In sjlvaticis, praccipue sabulosis et tur- 

 fosis frcqucns. — Rami juniorcs pubescentes, fere 

 scmper crccti ; folia ovata, basi rolundata. 



413. CARPIISUS. P. P.2IO6. W. 1697. 



1158. C. Betiilus. L. P. I. W. i. 



^. 4,5. In s^Ivis ct dumctis ubiquc, praccipue 

 vcro solum argillaceum cl lulosum cligcns. — (Iltiiubuchc). 



414. C(3RYLUS. L. P. 2102. W. i699. 



1159. C. Avcllaiia. L. P. 1. \N. 1. 



