292 



A Monograph of the Ervsiphaceae 



Sphaerotheca erigeronlis, 51 

 fugax, 47 



gigantasca, 71 

 huimdi, 45, 47, 48, 51 



var. fuliginea, 49 

 lanestris^ 74 

 lencotricha^ 40 

 Mali, 40 

 mors-uv 'e^ 70 

 Niesslii, 47 

 pannosa^ 65 



phytoptophila^ 76 

 pruinosa, 47 



tomentosa, 71 

 Uncinula, 79 



acerisy 90 



var. Tuiasneiy 93 

 adunca, 81 



var. artemisiae, 196 

 Americana, 99 



ampelopsidis, 99 

 Austraiiana, 118 

 austfaiis, 1 17 

 bicomis, 90 

 Bivonae, 98 

 circinata^ 1 05 



Uncinula clandestinely 97, 98 



Clintoniiy 109 



Columbiana, 82 



confusay 1 15 



Delavayi, ri8 



Jlexziosa, 1 08 



fraxiniy 119 



geniculata, iii 



heliciformis, 81 



intermedia, I07 



luculenta, 81 



Lynchii, 113 



macrospora^ I07 

 necator^ 99 



parvulay lo6 

 polytchaeta, 113, 115 

 prunasiri 95, 96 

 salidsy 81 



var. epilobii, 82 

 var. Miyabei, 88 

 Sengokui, 120 

 spiralis, 99 



var. racemosum. 



subfusca, 99 

 Torreyi, 1 06 

 Tulasnei, 93 

 Wallrothii, 96 



99 



