PLANTS OF IOWA 51 



578. C. menispermi, Ells. & Hoi. 



On leaves of Menispermia canadensis. 



579. C. tabacina, E. & E. 

 On Rudbeckia triloba. 



580. C. rasaecola, Pass. 

 Leaf -spot on roses. 



581. C. violae, Sacc. 

 Leaf -spot on violets. 



582. C. persica, Sacc. 

 White blight of peach. 



583. C. apii, Frs. 



Carrot and celery rust. 



584. C. omenta, Sacc. 

 Leaf-blight of beans. 



Macrosporium. 



585. M. solani, E. & M. 



Leaf-blight of potato and egg-plant. 



TUBERCULARIACE^ FAMILY. 

 PUSARIUM. 



586. F. culmorum, W. G. Smith. 

 On wheat. 



587. F. solani. 

 On tomatoes. 



Penicillium, Link. 



588. P. glaucum. 



On decaying fruit. 



LOW BASIDIOMYCETES. 



USTILAGINE.2: FAMILY. SMUTS. 



Ustilago, Pers. 



589. V. bistortarum, (DC.) Koern. 

 On Polygonum incarnatum. Ell. 



590. V. candollei, Tul. 



On Polygonum sagittatum, L. 



