Hymonomycetfe, Polyporacete, Polyporus. 103 



brilloso avellaneo-isabellino, margine tenuissimo, juniori inlicxo, 

 maturo irregulariter uuclulato; eontextu carnoso-molli, 1-7 mm. 

 cr., pure lacteo, etiam in sicco; tubulis initio foveolaribus, maturis 

 brevibus et minutis, vix 1 mm. alt , 3-4 in quoque mm., usque 

 ad partem atratam stipitis decurrentibus, albis, siccis flavidis, ore 

 polygonio, regulari, demum-subirregulari, acie tenui tandem den- 

 ticulata v. fimbriata ; sporis ovoideo-ellipsoideis, levibus, hyali- 

 nis, non copiosis, 5-7 »3-4; stipite brevi, crasso, contrali, deor- 

 sum tenuato, nigro-fuligineo 4 cm. long., 2,5 cm. cr., contextu 

 lacteo, carnoso-firmo, extus minute tomentoso, sicco rugoso-reti- 

 culato. 



Hab. ad terram, London Canada (Dearness) et New York 

 (Overacker). Subsimilis P. radicato. 



5. Polyporus Whiteae (Murr.) Sacc. et D. Sacc. Scutiger Whitece Mur- :« IS 

 rill, Bull. Torr. Cl. 1903, p. 432. — Pileo subcirculari, convexo, 

 centro depresso, 8-10 cm. lat., 0,5-1 cm. cr., pruinoso velutino, 

 ex isabellino fulvo, margine acuto, initio inflexo, maturitate inse- 

 qualiter undulato; contextu carnoso, sicco roseo, propo tubulos 

 atro-rubro ; tubulis 10-30 mm. long., 3 in quoque mm., valde de- 

 currentibus, albis, tactis vetustisque roseis ore subcirculari, aci<' 

 tenui, fimbriata; sporis ovoideis, hyalinis, lovibus, copiosis, 5 »3,5; 

 stipite brevi, solito excentrico, basi dilatato, 3 cm. long., 2-4 cm. 

 cr. concolore. 



Hab. inter muscos ad ripas, Bor Harbor Maine Amer. bor. 

 (Miss V. White). - C.espitosus, pileo flavido-brunneo, tubis albis 

 dein roseis dignoscendus. Affinis P. ovino. 



0. Polyporus Puiggarianus P. Henn. F. St. Paul. III, p. 200 (Hedw. 3 " 

 1904). — Pileo carnoso-spongioso, mesopode, infundibuliformi, 

 omnino ferrugineo, superne subproliferante tuberculato-lobato, ru- 

 goso, volutino, ca. 10 cm. lato, 7 cm. longo, 2-3 cm. crasso; sii- 

 pite centrali, farcto subcylindraceo, compresso, ferrugineo prui- 

 noso, deinde nitenti, fragili, corticato, 4-5 cm. lougo, 1—1 V cm. 

 crasso; tubulis sinuoso-adnatis, 5-8 cm. longis, poris rofcundato- 

 vel oblongo-angulatis, laceratis, ferrugineis; sporis subglobosis v. 

 ovoideis, 10-14 \i. verrucosis, ferruginois; carne spongiosa. ferru- 

 ginea usque ad 2 cm. crassa. 



Hab. ad terram (radices?) St. Paulo Brasili.c (Puiqgari . 

 Affinis P. sistotremoidi et P. tuouliformi, sed sporis brunneis ver- 

 rucosis otc. distinctus. 



7. Polyporus marmellosensis P. Henn. F. Amaz. I, p. L78 Hedw, ioo 



