208 



Euphorbia maculata 



"li Uromyces proeminens 175 



Euphorbia marginata 



Microsphaera Euphorbiae 41 



Euphorbia preslii 



Uromyces proeminens 175 



Evonymus at opurpureus 



Marssonia Thomasiana 287 



Microsphaera Alni 38 



Festuca elatior 



Claviceps purpurea 58 



Fragaria v.rginiana 



Mycosphaerella Fragariae 75 



Dendrophona obscurans 190 



Fraxinus americana 



Phyliactinia Corylea 44 



Phyllosticta Jraxinicola 203 



Fraxinus nigra 



Phyliactinia Corylea 44 



Galium concinuum 



Puccinia punctata 152 



Galium triflorum 



Puccinia punctata 152 



Geranium maculatum 



Erysiphe Polygoni 37 



Plasmopara Geranii 18 



Gledltsia triacanthos 



Melasmia hypophylla 188 



Microsphaera Alni 38 



Helianthus annuus 



Erysiphe cichoracearum 34 



Plasmopara Halstedii 17 



•Puccinia Helianthi 133 



Septoria Helianthi 233 



Helianthus decapetalus 



Erysiphe cichoracearum 34 



Helianthus divaricatus 



Puccinia Helianthi 133 



Helianthus doronicoides 



Erysiphe cichoracearum 34 



Helianthus grosseserratus 



Puccinia Heliatilhi : . . . . 133 



Helianthus hirsutus 



Puccinia Helianthi. 133 



Helianthus parviflorus 



Puccinia Helianthi 133 



