PLATE XXXI. 



C^IOMACEI. 



FIG. 



1. Cystopus cubicus. 



2. Cystopus Candidas, 

 {oonidia and oospore.) 



.ECIDIACEI. 



'd. Roestelia cornuta, 



(enlarged.) 

 4. Peridermium pini, 



(natural size, and magnijicd.) 



