148 Hymenomycetse, Polyporace«, Polyporuf!. 



ex cellulis erectis sequilongis unistratosis cpmposita tecto, inferne 

 subplano, in sicco brunneo; tubulis brevibus, 1 mm. longis, dissepi- 

 mentis tenuibus integris ; poris subangalosis minutissimis ; cystidiis 

 numerosis, cylindraceis, levibus v. rugosis, nitentibus, crasse ' tuni- 

 catis; contextu pallido, rigido, com.pacto, radiante, canaliculis te- 

 nuibus brunneis radiantibus percurso. 

 Hab. ad truncos in ins, Java. 



17. Polyporus albo-luteus Ell. et Ev. BuU. Torr. Bot. Cl. 1898, p. 513, •« 

 Fomes alho-hiteus Eli. et Ev. Syll. XIV, pag. 181. — Effusus, 

 connatus, circiter 1 cm., rarius 3-4 cm. crassas, 5-6 cm. latus. 

 immarginatus , extus intusque aurantiacus, contestu spongioso 

 molli, in juventut^ valde succosus et hygrophanus ; poris maturis 

 uno latere productis et Irpicis dentes simulantibus; sporis oblon- 

 gis, hyalinis, 8-12 *^ 3. 



Hah. in truncis cariosis Abietis subalpinge, Colorado Amer. 

 bor. (Ceandall). — P. leucospongke Cooke et Harkn. affinis. 



18. Polyporus albellus Masseo, Bull. Miscell. Inform. Roy, Gard. Ai. 

 Kew, pag. 171 (1899). — Pileo dimidiato, semiorbiculari v. reni- 

 formi, tenui, applanato, glabro, margine expanso interdum lobato, 

 albido, 4-5 cm. diam.; poris amplis, oblongis v. angulatis, strami- 

 neo-albis, postice decurrentibus ; stipite laterali, brevi, subeequali, 

 concolore, 1 cm. longo. 



Hab. ad ligTium emortuum, Selangor (Rtdlky). — P. Gunnii 

 Berk. affinis. 



19. Polyporus alblcops Peck, Bull. Torr. Bot. Cl. 1900, pag. 19. — 4S 

 Pileo tenaci, plano v. centro leniter depresso, glabro, sicco, opaco, 

 intus extusque albo; stipite centrali v. subcentrali, subaequali, gla- 

 bro, Bolido, pallido; poris brevibus, ca. 1 mm. longis, minutis, 

 subrotandis decurrentibus, albis, dissepimentis tenuibus et acie 

 dentatis. 



Hab. ad lignum putriduni humo infossum sub Juglandis arbo- 

 ribus, New Hampshire Amer. bor, — Pileus 2'/j-5 cm. latus; sti- 

 pes 2'/2-4 cm. longus, 6-8 mm. crassus. 



20. Polyporus tucumanensis Speg. Fg. Arg. novi v. crit,, pag. 162 48 

 (1899;. — Solitarius v. saepius 3-5-Goespitosus, in vivo carnosulus, 



in sicco lentus atque rigidus; pileis orbicularibus, 1-4 cm. diam., 

 sgepo excentricis, primo convexis, dein applanato-convexis atque 

 umbilicatis, in vivo sordide albis v. ochroleucis, levibus, margino 

 acuto integro recto vix obscuriore glabro, in sicco ochraceis am- 

 bitu obscurioribus et margine involuti-s, concentrice irregulariter- 



