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give a description of il beloNV. Whether Ihe specimens found by 

 liuLow on PopuluH tremula at Lund and mentioned under the name 

 of lijerkdudera lactca in Bot. Not. 1889 p. 142 belong here can not 

 now be decided, as Ibose specimens are not saved and the tree on 

 which the grew is cut down. The short description given by 

 BCi.ow seems to suggest identity. — The foUowing description 

 refers to the specimens found on Populus. 



Polyporus albo=sordescens nov. nomen. 

 Apus, anodermeus, libroso-carnosus, contextu albo. Pileus crassus, 

 subunguUeformis (basis non attenuata) subtus planoconvexus (mar- 



Fig. 1. Polyporus albo-sordescens. 



