8 P. A. Karsten. L^LVI 



Inonotus siilphureopiilTeriileiitus n. sp. 



Pileus snberosus, dimidiatus, fulvoferrugineus, praecipue 

 marginem obtusum versus sulphureo-pulverulentus, strato in- 

 terno superior© ferrugineo fulvo, inferiorp sulphureo, 3—5 cm 

 latus. Pori breves (circiter 1 mm), minuti, difformes lacenqve, 

 primitus cinerascentes, sulphureoirrorati. 



In territorio Baicalensi, Listvinitschnoje, m. Aug. 1902 

 (O. A. F. Lönnbpbm). 



Fornes Cajanderi n. sp. 



Pileus sessilis, dimidiatus, intus floccosus, fomentarius, 

 ferrugineus, circiter 15 cm latus, 1 cm crassus. Pori minimi, 

 rotundi, nudi, haud stratosi, rubiginoso-ferruginei. 



Ad Laricem dahuricam in insula fluvii Sibiriae orienta- 

 lis Lena, Agrafena, m Aug. 1901 (A. K. Cajander). 



PJiysisporiis microspoms n. sp. 



Adnatus, orbiculatus, crassiusculus, pallescens, subiculo 

 tenui. Pori rotundati, minatissimi, aeqvales, dissepimentis 

 tenuissimis. 



Supra lignum semiputridum prope Mustiala semel a no- 

 bis lectus. 



Pliysisporus locellatiis n. sp. 



Effusus, innatus, tennis, pallescens, siccus obscurior, in- 

 tus locellis exiguis, plus minusve elongatis. Pori exigui, ro- 

 tundi vel varii, inaeqvales, tenuissimi, laceri fimbriatiqve. 



Supre lignum semiputridum in regione Baicalensi, Listvi- 

 nitschnoje, m. Aug. 1902 (O. A. F. Lönnbohm). 



Poria Loeiinbolimii n. sp. 



Effusa, marginata, adnata vel subinnata, pertenuis. Pori 

 minuti, obtusi, rotundi, ferrugineofulvi, dein pruina densa pal- 



