176 Hymenomycetae, Polyporacea;, Polyporus. 



Hah. acl ram os M e 1 i a e A z e d a r a c h , Alabama Ani er. bor. 



24. Poyporus Suberis Pat. Cat. rais. pl. ceJl. Timisie 1897, p. 48. — oio 

 Pileo albido, dimidiato, sabimbricato, carnoso-rfpongioso, compacto, 

 pulvinato, grosse rugoso-hispido, margine tenui, acuto, in-flexo ; 

 carne albida, compacta, nec fibmsa, nec zonata; poris in vivo aibis, 



in sicco rufis, mediis, mollibus, angulatis, laceratis irpiciformibusque; 

 dissepimentis tenuibus ; sporis hyalinis, globosis v. subglobosis, 

 6-7 « 5 p.. 



Hab. m ligno Quercus Suberis in Tunisia. — Pileus 15-20 

 cm. latus, 8-10 cm. longus; tubuli 10-15 mni. iongi. Affinis P. 

 horeali Fr. et P. sj)wmeo Pr. 



25. Polyporus subluteus EU. et Ev. Americ. Natur. 1897, p. 339. — 52o 

 Effusus; pileo albo, breviter tomentoso, azoiiato, subimbricato, mar- 

 gine obtuso, contextu molli et flexibili, margine superiore plus 

 minusve reflexo ; poris subcolliculosis. in;.'Bqualib\i.s, rotundis v. sub- 

 sinuosis, '/^-V, ^"^- diam., '/,-1 cm longis, sicius subluteis, intus 

 albis, margine subdentato, dissepiment-is tenuibus, came alba non 

 fibrosa; sporis oblongis, paululuni angUKtatis. albis, 4-6 v 1 '/,-2. 



Hah. in truncis vetustis Fagi in (JHnadii (Dearness). 



26. Polyporus resinosus (Scbrad.) Fr. — Syll. VI, pag. 137. — 521 

 Var. incurvus Peck, 49 Rep. Stat. B(jt. N. York. 1896, p. 31. 



— Margine pilei incurvo; poris ingeqnalibus, angnlosis, bravibus. 

 Hab. ad truncos, Maine Amer. bor. 



27. Polyporus perplexus Peck, 49 Rep. Stat. Bot. N. York 1896, 522 

 p. 19. — Pileo suberoso-carnoso, fibroso, sessili, vulgo irabricato 

 interdumque coniluente, irreguiari, piloso-tomentoso v. setoso-hi- 

 spido, ferrugineo, margine subacuto sterili. intus luteo-ferrugineo 

 zonatoque; poris 5-7 mm. iongis, inaequaiibus, angulosis, dissepi- 

 mentis aetate brunneolo-ferrugmeis; sporis ferrugineis, late ellipticis, 

 6-8 « 5. 



Hah. ad truncos Fagi, New York Amer. bor. — Pileus 5-1 Oy^ 

 cm. latus. E vicinia Polypori arcularii, P. hispidi etc, sed cum 

 nullo horum apte conjmigendu.s. 



28. Poiyporus Burtii Pock, Bull. Torr. Bot. Cl. 1897, p. 146, — Pileo 523 

 dimidiato, 2 '/,-5 cm. lato, tenaci, sessili v. effuso-reflexo, minute 

 tomentoso, fumoso-albido v. palJido, carne 2-5 mm. crassa, pallida; 

 poris 1-2 mm. longis, inaequalibus, angulosis, marginem attingen- 

 tibus, fumoso-nigris. dissepi^nentis tenuibus. 



Hab. ad truncos Betulae iuteae in America boreali (Burt). 

 P. adustd proximus. 



