PLATE VII. 



POLYPOREI. 



FIG. 



1. Merulius lacrymans, 

 {reduced; spores magnified.) 



2. Fistulina hepatica, 



(reduced; tubes and spores magnified.) 



3. Porothelium Friesii, 

 {reduced; spores magnified.) 



4.. Da;dalea quercina, 



{reduced; with section and magnified spores.) 



