Murrill : Light-Colored Resupinate Polypores 307 



mouths angular, 4-5 to a mm., edges at first entire but soon be- 

 coming notched or lacerate ; spore characters not satisfactorily 

 obtained. 



Type collected on rotting bark and wood of hickory at St. Mar- 

 tinsville, Louisiana, August 3, 1889, A. B. Langlois 1883. What 

 appears to be the same species is in the Underwood herbarium, 

 collected at Ocean Springs, Mississippi, in 1896, on decayed pieces 

 of the wood and bark of some deciduous tree. 



45. Poria lignicola sp. nov. 



Effused for several centimeters, becoming continuous, closely 

 adhering, inseparable, thin ; margin broad, conspicuous, white to 

 pale-isabelline, cottony; context tough, membranous, persistent, 

 pale-isabelline ; hymenium even, glistening, pale-rosy-isabelline ; 

 tubes rigid, regular, angular, less than 1 mm. long, often oblique., 

 thin-walled, 3-4 to a mm., edges almost entire ; spore characters 

 not satisfactorily obtained. 



Type collected on a decorticated hardwood log at Alto Cedro, 

 Cuba, March 19-20, 1905, F. S. Earle & W. A. Murrill 482. 

 Also collected at the same time on a similar host, F. S. Earle & 

 IV. A. Murrill 448. 



46. Poria montana sp. nov. 



Effused for several centimeters, continuous, inseparable, rather 

 thick ; margin very slight, thin, closely appressed, pure-white 

 even in dried specimens ; context white, ordinarily a mere mem- 

 brane, but in cracks or hollows in the decayed substratum becom- 

 ing dense and cottony ; hymenium even, glistening, white to straw- 

 colored ; tubes rigid, fairly regular in shape and size, angular, 

 about 6 to a mm. and reaching 3 mm. in length, edges thin, entire ; 

 spore characters not satisfactorily obtained. 



Type collected on a well-rotted coniferous trunk near New 

 Haven Gap, above Cinchona, Jamaica, 5,600 ft. elevation, Janu- 

 ary 4, 1909, W. A. & Edna L. Murrill 765. 



47. Poria arachnoidea sp. nov. 



Effused for several centimeters, continuous, inseparable, thin; 

 margin broad and very delicate, like a spider's web, white to 

 cream-colored ; context inconspicuous ; hymenium even, white to 



