128 TABULAR ARRANGEMENT 



Order II. POLYPOREI. Tube-bearing Fungi. 



Hymenium, or spore-bearing surface, lining the cavities 

 of tubes or pores, which, are sometimes broken up into 

 plates. 



Genera, 



BOLETUS, Fr. Tubes separable from one another ; hymen- 

 ophorum distinct from hymenium. 



31 Brit. sp. 



STROBILOMYCES, Berk. Spores globose, or broadly elliptic 

 and rough. 



1 Brit. sp. 

 POLYPORUS, Fr. Pores not easily separable. 



78 Brit. sp. 



TRAMETES, Fr. Pores concrete with the pileus. 



4 Brit, sp. 

 D^DALEA, Pers. Corky ; pores labyrinthiform. 



4 Brit. sp. 

 MERULIUS, Fr. Waxy, with sinuous toothed folds. 



10 Brit. sp. 



POROTHELIUM, Fr. Covered with papillse, ultimately 

 opening. 



1 Brit. sp. 



FISTULINA, Bull. Hymenium inferior ; papillaa forming 

 distinct tubes. 



1 Brit. sp. 



Order III. HYDNEI. Spine-bearing Fungi. 

 Fructifying surface spread over spines or teeth. 



Genera. 



HYDNUM, L. Spines awl-shaped, distinct. 



23 Brit. sp. 



SISTOTREMA, Pers. Gill-like teeth, irregularly distributed, 

 bearing the hymenium. 



1 Brit. sp. 



