ItÖ AXn IIlRATSl'KA : UrF.DINAI.ES Coi.I.KCTEn IN TilE HaKKODA MOUNTAIN R ANGE 273 



R KSUMK. 



The present short paper was intended to report the rust fungi collected by 

 ourselves in the Hakköda mountain ran;^e on September 26 and 27, 1926. The 

 mountain range is located in Prov. Mutsu, tlie northernmost province of Honshu 

 and the nearest to Hokkiido. In the discussion on the distribution of fungi in 

 northern Japan, this province, especially this mountain range, occupies the posi- 

 tion of great importance from the relation of its location. 



The total number of species we have collected is fifty, in which Uroinyces 

 is represented by 4 sps., PUcolaria 2 sps., Puccinia 19 sps., Phragmidinm i sp., 

 TnpJiraginium i sp., Uropyxis i sp., Mdautpsora 3 -sps., Mclampsoridinin 2 

 sps., Pucciniastrum 2 sps., Thekopsora 5 sps., Uredbiopsis i sp., Croiiartiitni i 

 sp., Coleosporiuni 7 sps. and Aecidiuin i sp. 



Among tliese species, one species, Thekopsora hakkddensis Ixo et Hikatsuka 

 on Leucothoe Grayaiia Maxtm., is new to science, one species, Puccinia Fcrgussoni 

 Berk, et Br. on Viola Selkirkii Pursh, is new to Japan, 5 species, Uromyces 

 Moeliringiae 1x6 et Hiratsuka on Moehringia lateriflora Fenzl., Thekopsora 

 Menaiesiae Hir.\tsuka on Mcnsiesia pentandra Fr., TIi. inyrtdlina Kar.\t. on 

 Vacciniuiii axillare Maxim, and V. Bucrgcri MiQ., Th. Vacciniorum Karst, on 

 Vaccininm Vitis-Idaea L. and Coleosporiwn Eupatorii Artii. on Eupatorium 

 sachalincnse Maxim., are new to Honshu and forty five species are common to 

 Hokkaido and Hon.slu'i. All these specimens are now preserved in the Herba- 

 rium of the Faculty of Agriculture, Hokkaido Imperial University, Sapporo. 



