MURRILL : POLYPORACEAE OF NORTII AMERICA 119 



Hung., no. 349 ; Krieger, Fungi Sax., no. 423 ; New York (Flllis) ; 

 New Jersey (Gcissman, Ell. &. Ev. N. A. Fungi no. 1693); 

 Kansas (Bartholomew). 



The usual host of this fungus is the red currant, but it is also 

 found on other species of Ridis and occasionally upon other shrubs 

 growing near by. Specimens from Bartholomew were collected 

 on living stems of Syuiplioricarpos occidcntalis, July 24, 1895 ; and 

 it has also been reported as attacking rose-bushes. 



15. Pyropolyporus Yucatanensis sp. nov. 



A large blackish brown very rimose fungus with tawny tubes 

 and substance. Pileus woody, dimidiate, applanate, thickest be- 

 hind, 7-9 X 9-12 X 2-3 cm.; surface clothed at first with tawny 

 tomentum, becoming very dark brown or black and uniformly 

 tubercular and broken into small areas by numerous shallow con- 

 centric furrows and radial cracks ; margin narrow, acute, velvety, 

 fulvous: context hard, fulvous, 0.5 cm. thick; tubes rather 

 indistinctly stratified, 0.25 cm. long each season, 7 to a mm., 

 fulvous ; mouths circular, punctate, edges thick, obtuse : spores 

 globose or subglobose, smooth, pale yellowish brown, 3. 5-5 /A 

 hyphae ferruginous, cystidia thick at the base, pointed, 17-35 fi. 



Collected in Yucatan by Millspaugh and in Nicaragua by C. 

 L. Smith. 



16. Pyropolyporus senex (Nees & Mont.) 

 Polyponis senex Nees & Mont. Ann. Sci. Nat. II. 5: 70-71. 



1836. 



Fonies senex Cooke, Grevillea, 13 : 118. 1885. 



A number of specimens collected by C. L. Smith in Mexico 

 and Nicaragua are in the New York Botanical Garden herbarium. 

 Dr. Patouillard says they are typical P. senex. They are larger, 

 thicker and more woody than plants from Florida and Louisiana 

 that have been called P. senex. 



17. Pyropolyporus linteus (B. & C.) 

 Polyponis linteus B. &. C. Proc. Am. Acad. Arts & Sci. 4: 



122. i860. 



Fomes linteus Cooke, Grevillea, 14 : 20. 1885. 



The type specimens were collected on dead bark in Nicaragua. 



Plants collected in Nicaragua by C. L. Smith agree with the 



