Murrill: Polyporaceae of North America 359 



trunks in America by Mougeot and Polystictus cyclodes to collec- 

 tions made in the island of San Jan by Oersted. These are 

 probably not half of the names under which the species has been 

 known. 



The plant is exceedingly common on dead wood of various 

 kinds throughout tropical America, the following list comprising 

 only a few of the numerous collections examined : 



Colombia, Baker; Yucatan, Millspaugh ; Honduras, Wilson, 

 Brown; Mexico, Smith; Jamaica, Earle ; Cuba, Earle, Murrill, 

 Underwood, Britton, Shafer, Hamilton ; Porto Rico, Earle. 



3. Coriolopsis gibberulosa (Lev.) 



Poly poms gibberidosus Lev. Ann. Sci. Nat. Bot. III. 5: 139. 



1846. 

 Polystictus extensus Cooke; Sacc. Sylloge Fung. 6: 244. 1888. 



Described by Leveille from Kegel's collections in Dutch 

 Guiana and by Cooke from specimens named by Berkeley in the 

 Hooker herbarium, collected in British Guiana. Cooke published 

 Berkeley's name in Grevillea 14 : 82. 1886 without a description. 



The species ranges northward in varying forms to Central 

 America and the West Indies. The context is not white, but pale 

 ferruginous. Specimens are at hand from Ecuador, Lagcrheim ; 

 Colombia, Baker; Mexico, Smith, Shimek ; Nicaragua, Smith, 

 Baker 2313 ; Jamaica, Earle 480 ; Cuba, Earle 348, 380, 1103, 

 Underwood & Earle 1496, 1300, Earle & Murrill 30, 83, 119, 

 120, 128, 134, 136, 206, 214, 218, 223, 239, 330, 343,3 68 >3 8 4> 

 394, 400, 418, 432, 645. 



Species inquirendae. 



Poly poms myrrhiuus Kickx, Bull. Acad. Bruxell. 5 : 370. 1838. 



Polystictus cascus Fr. Nov. Symb. 88. 185 1. 



Trametes rigida Berk. & Mont. Ann. Sci. Nat. Bot. III. II : 240. 



1849. {Polystictus rigens Sacc. & Cub. ; Sacc. Sylloge Fung. 



6: 274. 1888.) 



7. TRICHAPTUM Murr. Bull. Torrey Club 31 : 608. 1904 



Type : Trichaptum trichomallum (Berk. & Mont.) Murr. 

 Hymenophore annual, epixylous, sessile, dimidiate : context 



