NOTAE MYCOLOGICAE, SER. XXIX 



Micromycetes Dakotenses et Utahenses a Doct. J. F. 

 Brenckle Lecti et Communicati 



P. A. Saccardo 



A. Teleomycetae 



i. Rosellinia amphisphaerioides Sacc. et Speg., Syll. I: 262, 



F. Ital. fig. 588 



Hab. in ramis putrescentibus Ribis floridani, Kulm, N. D., 

 Oct., 1916 (1205). 



Asci 100 X 7-8, stip. 20-26 fjb longis ; sporidia i-sticha 17-21 X 

 7-8, fuliginea, senio longitrosum rimosa lit in Anthostomate 

 taeniosporo. Esse potest forma, a loco sub cortice relaxato, 

 deminuta et deformata, R. mastoidcae Sacc. 



2. Rosellinia subsimilis Sacc, sp. nov. 



Peritheciis gregariis, subglobosis, miinutis, nigris, glabris, 100- 

 180^ diam. brevissime papillaris; ascis filif ormi-paraphysatis, cy- 

 lindricis, subsessilibus, 89-90 X 5.5—6, 8-sporis ; sporidiis oblique 

 monostichis e cylindraceo ellipsoideo-oblongis, saepius leviter iri- 

 aequilateris, utrinque rotundatis, 12-14 X 5-6, fuligineis. 



Hab. in ramis decorticates emortuis Crataegi sp. Whitestone 

 Gully, 1 N. D., Nov., 1916 (1188). Affinis R. rimincolac differt 

 sporidiis angustioribus subcylindraceis, etc. 



3. Melanopsamma pomiformis (Pers.) Sacc, Syll. I: 575 

 Hab. in ramis putrescentibus Corni stoloniferae. Whitestone 



Gully, 1 N. D., Nov., 1916 (1185). Specimina immatura et non 



omnino certa. 



4. Didymella eupyrene Sacc, Syll. I: 554 



Hab. in caulibus putrescentibus Urticae gracilis, Ft. Douglas, 

 Utah, Majo, 1918 (53). 



1 Whitestone Gully extends from and lies east of the U. S. Monument of 

 " Whitestone Battlefield " in Dickey County. 



199 



