234 



Mycologia 



6. PoRiA INTERNA (Schw.) Sacc. Syll. Fung. 6 : 293. 1888 



Polyporus internus Schw. Trans. Amer. Phil. Soc. 4: 159. 1832. 



" P. longitudinaHter penetrans in cavitatibus trunci putridi 

 varie flexuosus ad 3-4 uncias, primo moUusculus, crassus margine 

 demum inflexo. Tubis saepe obhquis longioribus. Poris flexuosis 

 minutis. Color totus albus, nisi statu sicco subpallescit." 



Type from Bethlehem, Pennsylvania, by Schweinitz, on the in- 

 terior of trunks. Said to be frequent. Still to be seen at Kew. 



7. PoRiA XANTHOLOMA (Schw.) Sacc. Syll. 

 Fung. 6: 324. 1888 



Polyporus xantholoma Schw. Trans. Amer. Phil. Soc. 4 : 158. 1832. 



P. effiguratim effusus, tenuissimus, margine membranaceo 

 fimbriato, latiusculo, sterili, eleganter luteo. Poris superficialibus, 

 parietibus crassiusculis, subsinuosis, minutis, pallidis. Plagas 1-2 

 unciales irregulares efformat, ligni inaequabilitatem forma 

 sequens." 



Type from Salem, North Carolina, by Schweinitz, on decayed 

 wood. Several things are referred to this species at Kew, all of 

 which may be different from the type at Philadelphia. 



8. PoRiA LiMiTATA (Berk. & Curt.) Sacc. Syll. 

 Fung. 6 : 324. 1888 



Polyporus limitatus Berk. & Curt. ; Berk. Grevillea i : 54. 1872. 



" Totus resupinatus rigidus allidus ; margine nigrescente rimoso ; 

 poris angulatis. No. 2686. Car. Inf. Entirely resupinate, the 

 margin thin, barren, and cracked. Pores %o ii^ch wide. 



Described from specimens collected on dead trunks in South 

 Carolina. The tubes seem rather primordial and inclined to be 

 rigid. Compare P. tenuis. 



9. PoRiA TENUIS (Schw.) Sacc. Syll. Fung. 6 : 331. 1888 



Polyporus tenuis Schw. Trans. Amer. Phil. Soc. 4: 159. 1832. 



" P. longe longitudinaHter effusus, membranam sistens tenuem 

 subdetrahendam albo-pallentem aequabilem margine substerili 

 albidiori. Poris majusculis subflexuosis, parum excavatis pal- 

 lidis" 



