PLANTS OF IOWA 31 



316. PL. papyracea, Ell. & Hal. 

 Under side of an old log. 



317. II. schwenitzii, Fr. 

 On bark and wood. 



Epichloj, Fr. 



317c. E. typhina, Pres. 

 On timothy. 

 "Nectria, Fr. 



318. N. cinnabarina, (Tode.) 



On dead limbs of deciduous trees. 



319. N. coccinea, (Pers.) 



On bark of deciduous trees. 



SARDARIE^S FAMILY 



Sordaria, Ces. & De Not. 



320. S. fimicola, (Rob.) 

 On horse dung. 



Podospora, Cesati. 



321. P. coprophila, (Fries.) 

 On cow dung, common. 



322. P. curvula, var. aloides, Winter. 

 On cow dung. 



THIGHOSPH^RIE^E FAMILY. 



Venturia, Ces. & De Not. 



323. V. orbkula, (Schw.) 



On fallen leaves of oaks. 

 Lasiosph^eria, Ces. & De Not. 



324. L. hirsuta, (Fr.) 

 On rotten wood. 



Acanthostigma, De Not. 



325. A. Occident ale, (E. & E.) 



On Cirs-ium altissimum and Artemisia ludovkiana. 



MELANOMME^E FAMILY. 



Rosellinia, Ces. & De Not. 



326. R. pxdveracea, (Ehr.) 



Common dead wood of deciduous trees. 



