388 



Its colour is quite as by Polyp, versicolor, but the sporophori are 

 thicker and more durable; oft found in great number attacking the 

 trunks of living trees. October— January. 



Popuhs deltoides. S. Klampenborg, Ciiarlottenlund. Populus alba &. tremula. 

 F. Broholm; S. Tisvilde. Quercus robur. J. Hald!; S. Jaegersborg (Prytz). 

 Fagus silvatica. J. Voergaard Storskov. Sorbus fennica. S. Landbohejskolens 

 Alle. Fraxinus excelsior. J. Krabbesholm Skov!. 



1871. Polyporus versicolor Fries S. M. I '«^ R 02 a '", Boletus 

 vers. L., Schum. no 1961, Fl. D. tab. 1554, O. F. Muller 1767 2". Poly- 

 stictus vers. Sacc, Syll. VI ^°^, Boletus plicatus Schum. no 1963, Hyd- 

 num tomentosum Oeder Fl. D. tab. 534 fig. 3, Fleerfarvet Rerhat (Vi- 

 borg 93=«^ Schade 11 '^'), Spraglet Poresvamp (Sev. P. 95^0, Broget 

 Poresvamp (R69=^), Lit: Bayliss 08. 



Sporidiis oblongis, curvulis, hyalinis, basi oblique stipitatis, 6—8 (^ 

 X 2-3 1^ (Raunkiaer). 



Very common, Octob. — Dec, on stumps of Populus, Betula, Fagus, Acer, 

 Fraxinus. 



1872. Polyporus abietinus Fries S. M. P", R 02 a'^^ Syn: Poly- 

 stictus ab. Sacc, Syll. VI ''^^, Boletus incarnatus Schum. no 1971, Fl. 

 D. tab. 1298, Violetsporet Poresvamp (R 04 a "). 



In respect of colour, size, locality etc. it is quite like Sistotrema 

 fuscoviolaceus, and Quelet (88 ^'^) has indeed united both; I find, 

 however, quite regularly a difference between the shape and size of 

 the pores. 



On stems and branches of Picea excelsa, Pinus silvestris &. montana, Oc- 

 tober—May. 



1873. Polyporus Wynnei Berk. &. Br., Syn: Polystictus Wynnei 

 Sacc, Syll. VI ■"''. 



J. Rold Skov ("/9 96). 



1874. Polyporus obliquus Fries S. M. I '^», Fries 64 '''^ v. Hohnel 

 07, Syn: Fomes obhq. Sacc, Syll. VI=°^ not Polyp, obliq. Schroeter 89. 



A very noxious parasite, destroying the last-formed wood of each 

 year, hence the annual rings of wood become free from each other. Rare. 

 Fagus silvatica. F. Glorup (Lyman Aug. 97) ; S. Dyrehaven 1 . 



1875. Polyporus subspadiceus Fries S. M. I ''°, Syn : Poria subsp. 

 Sacc, Syll. VI ^". 



Populus tremula, J. Krabbesholm Skov!. Fagus silvatica. S. Dronninggaard 

 (O. R.), Dyrehaven (Sept. 92 Raunkiaer). 



1876. Polyporus ferruginosus Fries S. M. I "', R 02 a '", Syn: 

 Poria ferr. Fries, Syll. VI '". 



