262 



Mycologia 



Septoria Oenotherae West. 



On leaves of Lavauxia flava A. Nels. (14439) and Oenothera 

 Hookeri T. & G. (14580). 



Septoria smilacina E. & M. 

 On leaves of Vagnera stellata (L.) Greene (14264). 



Rhabdospora gauracea sp. nov. 



Pycnidia caulicolous, gregarious, immersed, then erumpent, de- 

 pressed-globose, opening by a round or oblong pore, brown or 

 black, 75-100 /x in diam. ; spores- filiform, straight or curved, 

 nucleolate, hyaline, 30-40 X 2.5-3 V» 



On old stems of Gaura induta Woot. & Standi. (14766). This 

 may be the stem form of Septoria gaurina E. & K. Potebnia 

 states (Ann. Mycol. 8 : 65 et seq.) " es ist zweifellos das einige 

 Rhabdospora-Arten mit den entsprechenden Septoria-Arten iden- 

 tisch sind." 



Phloeospora Oxytropidis Ell. & Gall. 

 On 0 xytro pis Lamb ertii Pursh (13802). 



Order : MELANCONIALES 



Family: Melanconiaceae 



Gloeosporium Potentillae (Desm.) Ouds. 



On Argentina anserina (L.) Rydb. ff (13562) and Argentina 

 argentea Rydb. (14076). The teratology of this fungus is con- 

 sidered by Dr. Ernst Voges (Zeit. f. Pflanzenkr. 21 : 269. 191 1). 



Order: MONILIALES 



Family: Dematiaceae 



Cladosporium herbarum (Pers.) Lk. 



On stems of Lygodesmia juncea (Pursh) Don. (14725), on 

 Agropyron Smithii Rydb. (14301), on old stems of Cheirinia sp. 

 (14187), on Lactuca pulchella (Pursh) DC. (145 16), on Sitanion 



