Hypoxylon sUgmateum Cooke. 



On oak, Lincoln. (3271) 

 Nummiilaria repanda [Fr.) Nits. 



On oak, Saltillo. (3275). 

 Nummularia bulliardii Tul. 



On dead limbs, Saltillo. (3397) 

 Chnetommm bostrichodes Zopf. 



On rotting cloth, Lincoln. (3398) 

 Trichosphaeria socia Sacc. 



On dead limbs-, Saltillo. (3240) 

 Didymosphaeria accedens Sacc. 



On dead twigs, Saltillo. (3252) 

 Amphisphaeria pseudo-umhrina Sacc. 



On Osirya ostrya, Cedar BluflEs. (3239) 

 Valsaria wsiiiva (Cesati) De Not. 



On Gleditsia triacanthos, Saltillo. (3242) 

 Valsaria foedans (Karst.) Sacc. 



On decaying twigs, Saltillo. (3394) 

 Melanomma cupularis Clements, n.sp. 



Peritbecia generally forming a thin crust, sometimes scat- 

 tered, superficial, globose, varying to disciform, finally 

 cupulate, slightly roughened, black, small, ' 250-300 fi; 

 ostiolum inconspicuous; asci lacking; spores oblong, 

 straight, or curved; ends obtuse, tri-septate; end cells truu- 

 cate-globose, hyaline; interior cells oblong fuscous, uui- 

 guttate, 25-28x5-6 /^. On stump, Saltillo. (3255) 

 Pleospora saccardiaria Roam. 



On Fraxinus viridis, Saltillo. (3243) 

 Cucurbitaria kelseyi E. & E. 



On dead branches. Cedar Bluffs. (3254) 

 Ophiobolus fulgidus (C. & P. ) Sacc. 



On dead sunflower stalks, Saltillo. (3251) 

 Gloniopsis australis (Duby) Sacc. 



On oak, Saltillo (3272) 



