358 MuRRiLL : Polyporaceae of North America 



The type of this species at Kew is very old and partially de- 

 stroyed by insects, so that little can be known of the plant until 

 new collections are made in the type locality. 



6. Coriolopsis gen. nov. 



Type: Poly poms occidcntalisYA. Linnaea 8 : 486, 1S33. 



Hymenophore thin, flexible or rigid, annual, epixylous, sessile, 

 dimidiate, often largely resupinate ; surface light-brown, zonate, 

 anoderm, hairy, margin thin : context thin, coriaceous to woody, 

 pale ferruginous, sometimes almost white ; hymenium concolorous, 

 tubes small, regular, thin-walled, entire : spores smooth, hyaline. 



Synopsis of tlie ^ortti American species. 



1, Pores conspicuous. 



Pores inconspicuous, pileus papery, thin, very flexible. 



2. Pores yellowish-brownj pileus usually rather thick and firm. 



2. 



I, C crocata. 



2. C, occidentalism 



3. Pores white or pallid, pileus thin, often narrowly reflexed or entirely resupinate. 



3. C. gibberulosa. 



I. Coriolopsis crocata (Fr.) 



Polyporus crocahis Fr. Epicr. 477. 1836-38. 



Polyporus hyrsimis Mont. PI. Cell. Cuba 391. //, 7j. /I J. 1842. 



Polystictns crocatus Fr. Nov. Symb. 91. 185 i. 



Described originally from plants collected on trunks in Mexico 

 by Liebmann. Confused with C, occidentalis by many, but plainly 

 distinct. The species has until recently been but sparingly col- 

 lected in tropical America, as the following specimens at hand will 

 indicate. 



Colombia, Baker ; Nicaragua, Wright 2j*/, Smith; Mexico, 

 Smith ; Cuba, Wright jod'L; Underwood & Earle 1580, Earle & 



Mnrrill 121, 125, 237, 351^ jyg^ ^pp, 644, 



Polyp 

 Polyp 

 Polysi 



2. Coriolopsis occidentalis (Kl.) 



'entalis Kl. Linnaea 8 : 486. 1833. 



123. 1848 



1851- 



This species was first described from plants in Hooker's her- 

 barium, collected on trunks in the island of St. Vincent by Guild- 

 ing. Polyporus lenis was assigned to specimens collected on 



