MuRRiLL : Some Described Species of Poria 235 



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

 terior fibrous bark of chestnut. Well preserved at Philadelphia. 

 Compare P. limit at a. 



lo. Poria Sassafras (Schw.) Sacc. Syll. 

 Fung. 6: 294. 1888 



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



" P. substantia molliuscula, bibula ; subiculo vix in margine 

 conspicuo; tubis in centro satis elongatis, crassiusculis. Poris 

 minutis, regulariter rotundis. Longitudinaliter in ligno ac cortice 

 effusus (colore pallide lutescente) ad 1-2 uncias." 



Type from Bethlehem, Pennsylvania, by Schweinitz, on much 

 decayed sassafras wood. Seen at Philadelphia. Said to be 

 frequent. 



II. Poria Alabamae (Berk. & Cooke) Sacc. Syll. 

 Fung. 6: 323. 1888 

 Polyporus Alabamae Berk. & Cooke; Berk. & Curt. Grevillea 6: 

 130. 1878.' 



"Effusus, determinatus, lobatus, albus, exsiccate ochraceus, 

 marginque albo floccoso ; poris minoribus, subrotundis. 



" The distinct, barren, floccose margin is broad when young, 

 but diminishes with age ; it is nevertheless always distinguishable 

 as a paler marginal zone." 



Described from specimens collected at Gainesville, Florida, by 

 Ravenel on branches of Myrica cerifera. See Rav. Fungi Am. 

 Exsic. 110. Well preserved at Kew. Collected in abundance in 

 Florida by Calkins and also in Mississippi by Tracy. The spores 

 have been described as elongate-ellipsoid, smooth, thin-walled, 

 hyaline, ii X 4-5 Z^- 



12. PoRiA Cincinnati Berk. ; Cooke, Grevillea 

 15:27. 1886 



"Effusa, ochraceo-pallida, tenuis, subtomentosa, margine ex- 

 tremo elevato, poris magnis, concavis, inaequalibus, rotundato- 

 angulatis, dissepimentis brevibus, obtusis, hinc illic suppressis.'* 



Type from Cincinnati, Ohio, by Lea, on bark. Characterized 

 by large and unusually shallow tubes. Specimens at Kew were 

 at first called P. tenuis Schw., which is quite a different plant. 



