I 



204 Banker : A preliminary Contribution 



Pileus irregular, lobed ; stem eccentric ; substance in two layers, 

 the outer spongy, tomentose, the inner compact, darker. 



1 6 //. putidum. 

 Plant zonate internally only,* not on the surface of the pileus. 

 Hard, woody texture throughout, at least when dried 



Light colored, yellow, buff, or orange. 20. H. aurantiacum. 

 Gray to smoky ; substance variegated with blue (?). 



32. H. compactum. 



Pileus composed of two layers, the lower hard, compact, continuous with 



stem, the upper consisting of a mass of dense felty tomentum. 

 Plant ferruginous, concolorous ; stem covered with a felty tomentum. 



19. H. spongioses. 

 Pileus variegated, light to dark brown, without tomentum on stem. 



18. H. ferrugineum. 

 Pileus coriaceous, more or less infundibuliform, the surface rugose or 



broken up into a coarse spongy mass. 

 Color brown. 2\. H. s robiculatum. 



Color ash-gray. 28. H. canum. 



Plant azonate. 



Inner substance of pileus and stem blue-black. 



Surface of pileus gray, convex to plane; plant tomentose and bibulous 



when fresh. 



H. 



Surface of pileus buff or cream colored, concave to infundibuliform. 



17. II. suaveolens (?). 



Inner substance of pileus and stem brown to fuscous. 

 Spores white. 



Pileus tough, corky; plant confluent, spreading, forming a crust- 

 like mass. 14. H. ve/le>-etim. 

 Pileus coriaceous, stem slender. 40. H. graveolens. 

 Spores ferruginous or fuscous. 34. H. mirabile (?). 



I. Hydnum atro-viride Morgan, Jour. Cin. Soc. Nat. Hist. 



18: 38.//. /./5. 1895 



Icon.: Morg 



Type Loc: Auburn, Ala 



Atk 



it in Alabama, It is a small plant, " 1-2 cm. wide " and is clearly 

 distinguished by its peculiar dark green color throughout, which 

 is characteristic even of the spores. It is further unique in being, 

 apparently, the only central stemmed form that grows on wood. 



2. Hydnum repandum L. Sp. PL 2 : 1178. 1753 



IcoN.if Bulliard, Herbier de la France. //. 1J2 ! ; Sowerby, 



* This zonation can be observed by making a vertical section through pileus and stem. 



t In this extensive list an attempt has been made to roughly indicate degree of ex- 

 cellence. Those followed by one ! are fair to good, those followed by two !! are unusu- 

 ally excellent and faithful representations, while all others are indifferent or worthless. 



