SOUTHERN POLYPORES 13 



very firm, 5-10 mm. thick; tubes slender, white to ochraceous 

 within, equaling the thickness of the context, mouths regular, 

 angular, 3-4 to a mm., firm, white to yellowish and finally 

 avellaneous, edges thin, entire to slightly dentate; spores globose, 

 5* 



Found a few times on dead wood in Florida. 



3. TYROMYCES SMALLII Murrill 



Pileus compressed-ungulate, with a large umbo, broadly 

 sessile, dimidiate, fleshy-tough, difficult to dry, 5-7 X 6-10 

 X 2-5 cm.; surface very smooth, glabrous, azonate, white 

 to cremeous, changing to sordid-bay or blackish on drying; 

 context fleshy-tough, zonate, watery, moist and flexible even in 

 dried specimens, dull-white to sordid-avellaneous, tinged with 

 flesh-color, 0.5-2.5 cm. thick; tubes 5-8 mm. long, 3 to a mm., 

 rather large and irregular at times from the splitting of the dis- 

 sepiments, partially collapsed, somewhat fragile, dark-bay 

 throughout in dried specimens, edges thin, lacerate, fimbriate. 



Found a few times on pine trunks in Florida and Louisiana. 



4. TYROMYCES SPRAGUEI (Berk. & Curt.) Murrill 



Pileus subimbricate, dimidiate or flabelliform, broadly sessile 

 or attenuate behind, convex, fleshy-tough and watery to rigid 

 and fragile when dry, 4-7 X 5-10 X 1-2 cm.; surface at first 

 milk-white, finely tomentose to glabrous, slightly tuberculose, 

 azonate, sodden, containing depressions filled with exuded water, 

 becoming discolored and roughened and often decaying, espe- 

 cially in damp weather, with a strong and disagreeable odor; 

 margin undulate or slightly lobed, acute, usually discolored, 

 sometimes smoky-black, inflexed when dry ; context white, zonate, 

 cheesy when fresh, rigid and somewhat fragile when dry; tubes 

 small, white to yellowish within, 3-8 mm. long, mouths some- 

 what uneven, angular, 3-4 to a mm., edges white to yellowish, 

 thin, entire; spores ellipsoid, 6 X 4 /*. 



Occasional on dead stumps and trunks of chestnut and oak 

 in North Carolina and Alabama. 



5. TYROMYCES CERIFLUUS (Berk. & Curt.) Murrill 



Pileus dimidiate, narrowly attached, laterally confluent, 

 fleshy-tough to rigid, thin, 1.5-2.5 X 2-5 X 0.2-0.4 cm.; surface 

 white to ochraceous, latericeous and polished in spots, radiate- 

 rugose, sulcate, resinous-guttate, floccose-tomentose ; margin 

 thin, inflexed, undulate, easily bruised; context very thin, white, 



