Hymenomycetse, Polyporacese, Polyporus. S"?! 



rlenudato, pallide vel luride fulvo, 5-10 cm. lato, contextu fibroso- 

 radiante, duro, fulvo-ferrugineo, interdum zonato ; tubulis e luride 

 ilavis subconcoloribus, 1-3 cm. longis, nunquam stratosis; poris 

 mediocribus, rotundatis vel oblongis, demum laceris; tubulis con- 

 coloribus, '/,-1 mm. latis; sporis ochraceis, ellipticis, 7-9*4-5; 

 hypliis contextus pororum 3-6 [i. crassis. 



Hah. ad truncos prascipue Quercus et Populi in Silva ni- 

 gra (Dr. Ppeiffer). — Species lisec e grege Pohjpori hispidi, cu- 

 ticularis etc, prope quos in systemate locanda; a Fomite fulvo 

 Scop. vero prorsus diversa. 



61. Polyporus polychromus Copeland, Ann. Mycol., II (1904) p. 507). 1079 

 — Solitarius vel superimpositus; pileo lateraliter fixo, reniformi 



4 cm. longo, 6 cm. lato, suberoso, extus azono, pulvinato ; pelli- 

 cula tenui, secedente, ad marginem citrinum obtusum deficiente; 

 contextu apud stratum tubuliferum saturate fusco, sursum usque 

 ad stratulum subcuticularem ilavo-pallescenti, obscure concentrice- 

 zonato ; poris irregularibus, ina3qualibus, apad basim minutis, ad 

 8 mm. altis, intus cinereo-fuscis, ore viridulo-albis; sporis 10 » 7, 

 obovatis, subfuscis. 



Hah. ad truncos emortuos Quercus lobatre, prope Staa- 

 ford Univers. Californiae, 



62. Polyporus Eichelbaumli P. Henn inEngl. Jahrb. XXXVIIl (1905) loso 

 p. 109. — Pileo subcarnoso-Iento, deinde subcoriaceo, concliifor- 

 mi-flabellato, sessili v. breviter discoideo-stipitato, convexo, ad mar- 

 ginem venoso-striatulo, rufo-brunneo, dein p. p. gilvescente, 5-12 



cm. lato, 4-6 cm. longo, 2,5-3 mm. crasso, margine tcnui, sicco, 

 involuto, contextu pallide alutaceo, hymenio subferrugineo ; tubu- 

 lis 1-1,5 mm. longis, poris minutis rotundatis, obtusis; sporis sub- 

 globosis V. ovoideis, 4-5 * 3-4, hyalino-flavidulis. 



Hah. ad truncos, Amani Usambara Africaj. — Polijp. vihecino 

 Fr. affinis , sed forsan ad gen. Pohjstictus potius adscribenda 

 species. 



63. Polyporus amarus Hedgcock, Mycologia II (1910) p. 155. — losi 

 Pileo primum carnoso spongioso, dein vetustate indurato et sub 

 lapideo, ungulato, ssepe spurie stipitato, majusculo, 5-11 « 10-20« 

 6-12 cm., initio superficie pubescente demum rimoso, juniore fulvo 

 dein castaneo stepe brunneo-tincto, margine obtuso, s;upius satu- 

 ratius limbato, nonnunquam leviter sulcato, contextu ex flavo-cre- 

 meo subcastaneo extus frequenter obscuriore; sapore amaro, s^e- 

 pius basi resinoso, Pohjpori officinalis ad instar, 4-8 cm. cr. ; tubu- 



