IOWA ACADEMY OF SCIENCE 
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42. Septoria! viridi-tingens Curt. 
On Allium tricoccum Ait. 
43. Septoria nolitangere Gerard. 
On Impatiens aurea Muhl. 
44. Septoria polygonorum Desm. 
Polygonum incarnatum Ell., P. pennsylvanicum L. 
45. Septoria scrophulariae Peek. 
On Serophularia marylandica L. 
MELAN CONIACE A|p 
46. Colletotrichum lindemuthianum (Sacc. & Magn.) Scribn. 
On Phascolus vulgaris L., P. lunatus, L. 
Sometimes quite destructive to some varieties of lima bean. 
47. Gloeosporium ampelopliagum Sacc. 
On Vitis labrusca L. 
48. Gloeosporium venetum Speg. 
On Rubus nigrobaccus Bailey, R. occidentalis L. 
R. strigosus Michx., R. neglectus Peck. Destructive to the 
black raspberry but not to the others. 
49. Marsonia juglandis (Lib.) Sacc. 
On Juglans cinerea L. 
50. Cylindrosporium padi Karst, 
On Prunus americana Marsh, P. avium L., P. cerasus L., P. 
mahaleb L. 
MUCEDINAE. 
51. Oo'spora scabies Thaxter. 
On Solanum tuberosum L. 
52. Ovularia obliqua (Cooke) Oud. 
On Rumex sp. 
53. Cercosporella chionea (Ell. & Kellerm) Sacc. 
On Oercis Canadensis L. 
54. Piricularia grisea (Cooke) Sacc. 
On Syntherisma sanguinalis (L.) Dulac. 
55. Piricularia parasitica E. & E. 
On Phyllachora, on Elymus canadensis. 
DEM A TIE AE. 
56. Cladosporium carpophilum Thum. 
On Amygclalus persica L. 
