304 Polyporese, Poria. 



Ilab. iri truncis liiiris Juglaudis nigrae et Platani iii Carolina 

 Amer. bor. — Fissuris ligni immersa, inargine involuto ita ut pi- 

 leum fere efficiat; pori prirao cinerei, deinum subspadicei, nitentes. 

 Sec. Fries forte ad P. spissam pertinet. 



59. Poria spissa Schwein. in Fr. Elench. I, p. 111. — Durissima, 5003 

 imraersa, difrormis, cinereo-spadicea, margine brevissimo iuflexo; 

 poris obliquis minutissimis. 



Hab. in truncis duris Carolinse, Pensilvanise (Michene,r), New 

 England (Spragub). — Fom. obliquo affinis, sed huic margo oinniao 

 genuinus; pori irapalpabiles stratosi, lineolis nigris distincti, undo 

 vere perennis, neque ad speciem uliam cognitam referenda. Descri- 

 ptio P.juglandi7icB omniiio convenit, est enim fissuris ligni iraraersa 

 compressa, margine sterili involuta; pori primo obtutu cinerei, 

 deinum spadiceo-iiitentes. 



60. Poria rufa (Schrad.) Fr. Epicr. p. 484, Hym. Eur. p. 573, Bol. 5094 

 Schrad. Spic. p. 172, Pol. hwmatodes Rostk. 4, t. 62. — Effusa, 

 coriacea, tenuis, adnata, levis, glabra, determinata, sanguineo-rufa; 

 poris minimis, tenuibus, acutis. 



Hab. ad rainos et truncos prostratos in Europa. — Ex liostko- 

 wio sporaj nigrae ((i'?») et junior margine byssino cincta. [Alius fun- 

 gus e Fomentariorura ordine sub hoc nomine describitur in Rabenh. 

 Crypt. p. 418]. 



f) Poris purpureis v. violaceis. 



61. Poria alro-vinosa Cooke Grev. X, p. lol. — Effusa, indeterminata, r.99.j 

 atro-vinosa, margine pulverulento-tomentoso ; poris minutissirais, 

 rotundis, longis, integris, requalibus, 100 u. diain., hymenio mox 

 fisso. 



Hab. ad truncos Clarence Iviver Australiae (Willcox). 



62. Poria nigro-purpurea Schwein. Syn. Carol. n. 925, p. 99. — Co- 5-^6 

 riacea, effusa, 45 cm. lata, durissima, margine inflexo, sterili, al- 

 bescente; poris minutis, flexuosis, atrff-purpurascentibus. 



Hab. in truncis Quercus, in Carol. iuf. Amer. foeder. — Formam 

 resupinatam, in Ulmis ad Bethlehem, New York legit Cl. Peck. 

 lii plerisque ex eius speciininibus iiymeniura multo pallidius quam 

 vulgo in liac specie occurrit. Pori membranae tenui sed tenaci ela- 

 sticae a pilei substantia secernibili insidentes. Forsan ad P. cfmor- 

 pham referenda. 



63. Poria inconstans Karst. Symk Myc. Fenn. XVIIl, p. 81. — Ef- 5997 

 fusa, pertenuis, separabilis, mollis, nuda, siccitate ambitu tenuiter 



