TROPICAL POLYPORES 



Hymenium white or yellowish. 2. C. subpavonius. 



Hymenium fuscous. 3. C. sector. 



Pileus not marked with glabrous zones, but 

 nearly uniform in color and rarely shin- 

 ing. 



Hymenophore semiresupinate, narrowly re- 

 flexed. 



Reflexed portion of pileus 0-5 mm.'broad. 4. C. depauperatus. 

 Reflexed portion of pileus 1-2 cm. broad. 5. C. tepeitensis. 

 Hymenophore normally pileate, sometimes 



decurrent. 

 Surface entirely devoid of zones or 



concentric furrows. 



Pileus 2-3 cm. broad. 6. C. pallidofulvellus. 



Pileus 7-10 cm. broad. 7. C. xuchilensis. 



Surface somewhat zonate or concen- 

 trically furrowed. 



Tubes i mm. or less long. 8. C. delectans. 



Tubes 3-4 mm. long. 9. C. concavus. 



Pileus entirely glabrous at maturity. 



Surface marked with numerous brown and 



tawny zones. 10. C. armenicolor. 



Surface white to isabelline or pale-avellaneous, 



sometimes with darker spots or lines. 

 Hymenium lilac-colored, often faded in her- 

 barium specimens. n. C. br achy pus. 

 Hymenium white or yellowish, sometimes 



discolored. 



Margin of pileus entire or lobed, not be- 

 coming fimbriate or lacerate at 

 maturity. 

 Pileus extremely thin, less than I 



mm., very flexible. 12. C. haedinus. 



Pileus not as above. 



Surface and tubes milk-white 

 throughout, even in dried 



specimens. 13. C. substipitatus. 



Surface and tubes not as above. 

 Surface white to pale-cinere- 

 ous; tubes 7-8 to a mm. 14. C. hondurensis. 

 Surface stramineous to ochro- 



leucous. 



Pileus 1-2 mm. thick; 

 tubes less than i mm. 

 long. 15. C. pertenuis. 



Pileus 2-5 mm. thick; 

 tubes more than i mm. 

 long. 1 6. C. ochrotinctellus. 



