Hymenomycetse, Polyporacefe, Poria. 329 



lia. — Perennans, stratosa, unicolor, in Salice cinnamomeo-um- 

 brina, in Corylo et Fago nitide cinnamomea. — Species ]i?ec mihi 

 jam ex Italia, Gallia, Germania, Hungaria et Suecia cognita pro 

 var. resupinata Fomitis igniarii Fr. habui sed omnibus inspectis 

 eam specifice distinctam censeo sc. habitu constanter resupinato, 

 etiamsi ad truncos stantes obvia, colore vividiore, sporis aliquan- 

 tulo majoribus et setulis vix ab hyphis mollioribus diversis, nisi 

 basi ventricosa prseditis. In Fomite igniario Fr. color obscurior, 

 receptaculum numquam basi resupinato-productum, sporse magis 

 depressae et setuUe, tamen rarissimoe, parv«, fulvce uti in Fom. 

 fulvo Scop. (Bresadola, 1. c). 



16. Poria floridana (Murrill) Sacc. et Trott., Fomitoporella floridana 1274 

 Murrill, North Amer. Fl., v. IX, Pt. I (1907) p. 14. — Late ef- 

 fusa, rigida, inseparabilis, 4-7 mm. crassa; margine determinato, 

 angusto, initio ferrugineo, dein nigrescenti, contextu fere incon- 

 spicuo, brunneo; hymenio fere plano, distincte stratoso; tubulis 

 1,5-3 mm. longis in quoque strato, fulvis et intus albido-farctis, 



ore angulari prjcditis, 5-6 in quoque mm., umbrino-griseis, acie 

 tenui, integra v. subinaequali ; sporis globosis, levibus, ferrugineis, 

 numerosis, 3-4 [i. longis; hyphis ferrugineis ; cystidiis nullis. 



Hab. ad truncos dejectos in Florida Americie boreahs (W. W. 

 Oalkins). 



17. Poria Langloislana (Murrill) Sacc. et Trott., Fomitoporella Lan- 1276 

 gloisiana Murr., North Amer. FI., v. IX, Pt. I (1907) p. 13. — 

 Effusa, inseparabilis, subellipsoidea, dein irregularis, rigida, 2-5 mm. 



cr. ; margine tenui, adnato, irregulari, angusto, ferrugineo-fulvo ; 

 contextu tenui, fulvo; hymenio subinsequali, distincte stratoso; 

 tubulis 2-3 mm. long. in quoque strato, fulvis et intus parce al- 

 bido-farctis, ore circulari, regulari, initio ferrugineo, dein fulvo- 

 ferrugineo, lucem refringenti prasditis, 6 in quoque mm., acie 

 mox crassa, integra; sporis subglobosis, levibus, ferrugineis, nu- 

 merosis, 3,5-4,5 \i.. cr. ; hyphis forrugineis ; cystidiis nulHs. 



Hdb. ad truncos dejectos, prope St, Martinsville, Louisiana 

 Amer. bor. (A. B. Langlois). 



18. Poria Johnsoniana (Murrill) Sacc. et Trott., Fomitoporella John- 127G 

 soniana Murrill, North Amer. Fl., v. IX, Pt. I (1907) p. 13. — 

 Effusa, inseparabilis, e suborbiculari irregulari, rigida, 5 mm. cr. 



V. ultra ; margine tenui, ilavo, ambitu anguste sterili, undulato, 

 fere glabro; contextu distincto, 2-3 mm. cr., fulvo, suberoso; hy- 

 menio inoequali, stratoso ; tubulis longitudine variabilibus, 1-4 



