274 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Genus Schizoneura Hartig. 



Panicum capillare. 



proliferum, 

 glabrum. 

 Plum, cultivated. 

 Polygonum aviculare. 

 Setaria glauca. 



viridis, on roots, 

 italica, on roots. 

 Spartina cynosuroides. 

 crataegi Oestl. 



Crataegus coccinea. 

 punctata, 

 tomentosa. 

 lanigera Hausm. 

 Pyrus mali. 



coronaria. 

 pinicola Thos. 

 Pinus strobus. 



ponderosa var, scopulorum. 

 querci Fitch. 



Quercus macrocarpa. 

 undulata. 

 rileyi Thos. 



Ulmus americana. 



Genus Sipha Passerini. 

 rubifolii Thos. 



Blackberry, cultivated. 

 Genus Siphocoryne Passerini. 

 archangelicse Oestl. 



Archangelica atropupurea. 

 salicis Monell. 



Salix babylonica. 

 lucida. 

 nigra, 

 xanthi Oestl. 



Xanthium-canadense. 



Note. — The Host lists contained herein are compilations including per- 

 sonal field observations. Many synonyms are known to be included in these 

 lists, but it is almost impossible to verify all these at this period of my in- 

 vestigation. 



