176 Journal of the Mitchell Society [March 



''Hymenophore terrestrial, mesopodous, small, 3-5 cm. liigii, ash- 

 gray to smoky; pileus plane to convex, 2-3 cm. wide, 2-3 mm. thick; 

 surface even, subpubescent, ash-gray to smoky-olivaceous-brown when 

 dried ; margin thin, fertile, minutely serrate ; substance fleshy-spongy 

 when fresh, somewhat tough, flexible, compact, subwaxy toward sur- 

 face, soft fibrous within, olivaceous when dried; stem slender, sub- 

 central, inclined or curved, attenuate upward, subpubescent at base 

 to glabrous shining toward the cap, 2-4 cm. long, 3-10 mm. wide; 

 teeth short, slender, terete, tapering, acute, uneven, not decurrent, 

 pale to dirty-white, somewhat crowded, 2-5 mm. long or less, 0.2-0.4 

 mm. wide, 9-12 to a square mm; spores dark, coarsely and densely 

 tuberculate, ovoid, T-Om x 9-lliw wide; basidia clavate to oblong, nar- 

 rowing abruptly at the base, 7-10^ wide by 25-30^ long; sterigmata 

 delicate, conical, incurved, 3-4/>i long; hyphae of trama colored, dis- 

 solving out freely in KOH, becoming hyaline, slender, smooth, thin- 

 walled, collapsing when dried, recovering slightly in KOH, forming 

 an intricate tangle but slightly separable in KOH, septate without 

 clamp-connections, segments extremely long, somewhat irregular, 

 more or less constricted at the septa, 4-6/* wide ; hyphae of the teeth 

 very slender, parallel, 3-4/* wide ; taste bitterish." 



Genus Manina. 



Plants without cap and stem, solid and tuberculate or intricately 

 branched ; teeth long, hanging from most of the body ; texture fleshy 

 and soft ; growing on wood. 



Key to the Species. 



Solid and nearly simple M. cordiformis (1) 



Repeatedly branched M. flagellum (2) 



1. Manina cordiformis Scop. Satyr's beard Hydnum. 

 Hydnum ennaceiim Bull. 



Plates 8 and 27. 



This is our largest species of the family and it is rather common 

 on rotting places in living deciduous trees in fall, mostly on oak, rarely 

 on beech. It is also occasional on dead trees. It does not branch in 



