Hymenomycetee, Polyporaceae, Polyporus. 173 



Jateraliter contiuetibus, albis, subpulverulentis; tubulis brevibus, vix 

 1 mni. lon^s; poris primo rotundatis vel oblongis, minutis, dein 

 laceratis; sporis subovoideis vei elJipsoideis, hyaiinis, 3-3 '/, ^ 2 '/^- 

 3 fx., hyalinis. 



Hab. ad lignum iu Columbia (Brennij?g). 



10. Polyporus decurrens Underw. BuJl. Torr. Bot. Cl. 1897, p. 83. 505 

 — Pileo subcirculari. 5 cm. diam , plano v. centro leviter depresso, 

 brunneo v, badio, glabro; poris subalbis, 2 mm. iongis, decurren- 

 tibus, subangulosis, '/^ mni. diam., dissepimentis tenuibus integris; 

 contextu albo, carnoso, compacto, homogeneo, centro circiter 7 mm. 

 crasso; raargine tenui, sicco subinvoluto; stipite basi subbuiboso, 



3 cm. iongo, sursum angustato, apice 1 cm. diara., subalbido. 

 JJab. ad terram, California. 



11. Polyporus Earlei Underw. Bull. Torr. Bot. Cl. 1897, p. 84. — 506 

 Pileo 7-12 cm. diam., cinereo, centrum versus obscuriore; margine 

 tenuissimo, sicco valde incarvo; contextu carnoso, griseolo, sicco 

 tenui; stipite 4-5 cm. iongo, 1-'/, cm. crasso, pileo concolori; poris 

 1-2 mm. longis, cinereo-griseis, in juventute palJidioribus, raar- 

 ginem versus minutis ('/^ mm.); dis.sepimentis tirmis, integris. 



Hab. ad terram in pinetis, Alabama Amer. bor. (Earle). 



12. Polyporus favoloides P. Henn. Engl. Jahrb. XXiir, p. 546. — 507 

 Pileo membranaceo-subcarnoso, suborbiculari, convex<j, centro um- 

 bilicato, infundibuJiformi, levi, glabro, pellucide subtesseJJato (in 

 aJcohoJe), margine piloso, 3'/^ cm. diam.; stipite tereti, brunneo, 

 farcto, piloeo-tomentoso, 3 '/^ cm. longo, 2 mm. crasso, basi iricras- 

 sato, subatro; poris plus minus amplis, oblongis, acutangulis, acie 

 subfimbriato-denticulatis; sporis non conspicuis. 



HdJ). in ligno putrido in Camerunia (Pheltss). 



13. Polyporus flavo-squamosus Underw. BuJI. Torr. Bot. CI. 1897, dos 

 p. 84. — Pileo 15 cm. diam , Havo, viridi-tincto, squamis minutis 

 iloccosis imbricatis flavis tecto; margine subacuto, sicco plus mi- 

 nusve incurvo; contextu albo vel pallide iiavo, carnoso, fivmo, 

 sicco subjignoso; stipite 7-8 cm. Jongo, 4-5 cm. crasso, subapplanabo, 

 irregulariter asperulo, piJeo concoiori; poris 5 mm. iongis, 1 nim. 

 Jatis, irregularibus, angulosis, subdeciu-rentibui!, aJbis, tactu vire- 

 scentibus, siccis iiavis, dissepimentis tenuibus; spuj is ovalibus v. 

 ovoideis, 9 ^ (i, grosse 1-guttuIatis. 



Hah. ad terram, Alabama Amer. bor. (Earle), 



14. Polyporus hlrto-lineotus Pat. Ann. Jard. Buitenz. 1897, I, suppl. 509 

 p. 111. {T.eucopo7'us). — Pileo obovato-subreniformi, applanato, 



