42 SOUTHERN POLYPORES 



coniferous trees, causing a very serious reddish-brown rot of the 

 roots and lower part of the trunk. 



29. COLTRICIELLA Murrill 



Hymenophore small, annual, tough, epixylous; stipe attached 

 to the vertex of the pileus; surface of the pileus anoderm, zonate; 

 context spongy, fibrous, ferruginous; tubes angular, one-layered, 

 dissepiments thin; spores ellipsoid, smooth, ferruginous. 



i. COLTRICIELLA DEPENDENS (Berk. & Curt.) Murrill 



Hymenophore gregarious or cespitose; pileus very small, 

 conic, pendant, vertically attached, 1-2 cm. broad, about I cm. 

 thick; surface cinnamon-colored, soft, elongate-striate, sericeous, 

 subzonate; margin acute, fibrillose; context spongy, very thin, 

 ferruginous-fulvous, 1-2 mm. thick; tubes long, 5-8 mm., fulvous, 

 mouths large, angular, 1-2 to a mm., smaller near the margin, 

 edges thin, toothed, yellowish to fulvous; spores ellipsoid, 

 smooth, ferruginous, 7-8 X 3.5-4^1; stipe central, attached at 

 the vertex, cylindric, gradually enlarging as it approaches the 

 pileus, about I cm. long, 1-3 mm. thick, resembling the pileus 

 in surface and substance. 



Occasional on decorticated pine wood in the Carolinas. Re- 

 ported on Liriodendron in Florida. 



30. COLTRICIA (Micheli) S. F. Gray 



Hymenophore annual, terrestrial or humus-loving, simple, 

 small to medium, usually circular and central-stemmed; surface 

 anoderm, brown, zonate or azonate; context yellowish or brown, 

 coriaceous to spongy; hymenium concolorous, covered with 

 yellowish or whitish powder when young; tubes thin-walled, at 

 length fimbriate; spores smooth, rounded, yellowish-brown; 

 cystidia rarely present. 



Pileus concentrically zonate; context very thin. 



Pileus shining-cinnamon, strigose, striate, thin, flexible, 

 slightly depressed, the margin often fimbriate or pseudo- 

 ciliate. i. C. cinnamomea. 



Pileus dull-rusty-cinnamon to hoary, velvety to glabrous, 

 deeply depressed, the margin thicker and less fim- 

 briate. 



Tubes small, 0.5 mm. or less in diameter. 2. C. perennis. 



Tubes large, i mm. in diameter. 3- C.focicola. 



Pileus usually azonate; context rather thick and spongy. 



