TROPICAL POLYPORES 9 



Found a few times on dead trunks in Cuba, as well as in 

 Venezuela. 



5. CORIOLUS TEPEITENSIS Murrill 



Pileus mostly resupinate, subcircular to irregular, the margin 

 detached from the substratum and slightly elevated at times, the 

 reflexed portion, which is usually present, narrow, conchate, thin, 

 flexible, reaching 6 mm. in length and 1-2 cm. in width; surface 

 irregularly and narrowly sulcate-zonate, subglabrous, uneven, 

 varying from pallid to ochraceous or pale-avellaneous ; context 

 thin, whitish, punky; tubes white within, 1-2 mm. long, mouths 

 very regular, 5-6 to a mm., stramineous, subcircular, corky, 

 glistening, edges entire, at first thick, becoming thinner with age. 



Collected three times on dead fallen branches in the Tepeite 

 Valley, near Cuernavaca, Mexico. 



6. CORIOLUS PALLIDOFULVELLUS Murrill 



Pileus imbricate, decurrent, dimidiate, conchate, thin, flexible, 

 1-1.5 X 2-3 X 0.1-0.2 cm.; surface isabelline to pale-fulvous, 

 slightly virgate with striate fibers, finely tomentose, azonate; 

 margin thin, subentire, incurved when dry; context punky- 

 fibrous, tough, pallid, less than I mm. thick; tubes very short, 

 less than I mm., mouths angular, irregular, flaccid, 2-4 to a 

 mm., edges thin, dentate to lacerate, white to fulvous. 



Occasional on dead wood in Cuba. 



7. CORIOLUS XUCHILENSIS Murrill 



Pileus semiresupinate, imbricate, inconspicuous, the reflexed 

 portion conchate, rather thin, 3-5 X 7-10 X 0.1-0.2 mm.; sur- 

 face azonate, silky or pubescent, very pale fulvous fading to pallid 

 on drying, margin undulate, acute, inflexed and slightly discolored 

 on drying; context soft-fibrous, thick behind, very thin in front, 

 pallid ; tubes about I mm. long, dull-whitish within and without, 

 mouths angular, somewhat irregular, 3-5 to a mm., edges thin, 

 entire, glistening. 



Collected once on a dead trunk in a coffee plantation at 

 Xuchiles, near Cordoba, Mexico. 



8. CORIOLUS DELECTANS Murrill 



Pileus confluent-effused, subimbricate, broadly reflexed and 

 expanded, dimidiate to reniform, applanate or convex above, 

 concave below, very thin, soft, tough, very flexible, 2-4 X 3- 



