108 THE FUNGI WHICH CAUSE PLANT DISEASE 



With the exception of the one species given below these are not 



parasitic on higher plants. 



Completoria complens Lohde is parasitic upon fern prothallia.^^" 

 Vegetative body compact, of oval or curved branches in a single 



host cell, extending to other cells by slender tubes. Resting spores 



10 to 20, formed in the host cell. Propagation by non-motile 



conidia, 15-25 ii, in diameter. 



