20 



FUNGOID PESTS OF CULTIVATED PLANTS. 



The common Clematis cluster-cup (Mcidium Clematidis) occurs over 

 the greater part of Europe, on the leaves of C. Vitalba, C. recta, and C. 

 Flammula. 



-f. 



FIG. 4. OVULARIA CLEMATIDIS. 



1. Section of petal with mycelium (a) and conidiophores (6, c, d) ; 2. Conid:'o- 

 phore with conidium ; 3. Conidia x 400 ; 4. Coniclium (a) germinating (6). 



Another cluster-cup (^cidium Englerianum) has been found on 

 Clematis leaves in Abyssinia. 



In India another species (-Mcidintn orbiculare) has been found on 



