6 



Spirogyra ienuissima (Hass.) Kuetz. 



Lincoln. (3390) 

 Spirogyra varians (Has3. ) Kuetz. 



Lincoln. (3391) 

 Vaucheria aversa Hass. 



Lincoln. (3388) 

 Vaucheria terresiris Lyngb. 



Minden. (3389) 

 Vaucheria tuberosa A. Br. 



Saltillo. (3392) 

 *Peronospor a parasitica (Pers. ) DeBary. 



On Boripa palustris. Bellevue. (3108) 

 Plasmopara halstedii (Parlow) Berlese & DeToui. 



On Silphium perfoliatum, Lincoln. (3178) 

 Batrachospermum gelatinosum (L.) Woods. 



Bellevue. (3393) 

 Chantransia violacea Kuetz. 



Bellevue. (3394) 

 *Sphaerothecapannosa (Wallr.) Lev. 



On Rosa muUiflora (cultivated), Lincoln. (4000) 

 *Erysiphe cichoracearum DO. 



On Helianthus decapetalus, Lincoln. (3168) 

 Nitschkia tristis (Pers.) E. & E. 



On decaying branches, Saltillo. (3249) 

 Fracchiaea heterogenea Sacc. 



On log, Lincoln. (3270) 

 Coronophora annexa (Nits.) Fkl. 



On dead limbs, Saltillo. (3268) 

 Diatrype albo-pruinosa (Schw. ) Cooke. 



On dead oak limbs, Saltillo. (3269) 

 Hypoocylon colliculosum (Schw.) Berk. 



On log, Cedar Bluffs. (3274) 

 Hypoxylon marginatum (Schw.) Berk. 



On dead limbs, Saltillo. (3396) 



