98 Hymenomycetse, Polyporaceae, Boletus. 



Hafo. ad terram, Siam Asiae merid. 



11. Boletus chrysenteron Fr. Syll. VI. p. 14. — var. albocarneus 380 

 Pect Rep. of the State bot. 1900, p. 185, tab. 7G, fig. 21-25. 

 Pileo carnoso, superne convexo, sicco, subglabro, rufescenti 2,5- 

 6,5 cm. lato; carne alba, soepe in superficie rubro tincta; tubulis 

 longiusculis, adnatis, stipitem versus subdepressis, griseo-luteis, 

 acie subrotundis, levibus; stipite sequali, firmo, subglabro, pileo 

 concolori, intus albo 2,5-5 cm. longo, 4-8 mm. crasso. 



llab. ad terram, Amer. lor. Edulis. — Var. deformatus Peck 

 in Rep. of the State botanist 1901, p. 966: pileo tenui 2,5-4 cm. 

 lato, irregulari, rubro vel brunneo-rubro ; stipite brevi, ssepe irre- 

 gulari, ventricoso, latitudine ct crassitudine sequali. — In terra uda, 

 Bolton, Amer. l>or. 



L2. Boletus granulatus L. — Syll. VI. p. 5. — var. albidipes Peck 

 Rep. of tlie State bot. 1900, pag. 108. — A typo differt, carne 

 pilei albida, sed in proximitate tubulorum luteola; stipite intus et 

 in mte albo. 



Hab. in pinetis. AVestport, Amer. bor. 



13. Boletus Betula Beardslee ap. Lloyd Mycol. Not. 1902, n. 10, Se- 

 ptemb. p. 97, cum icone. — Pileo firmo hemisphaerico-convexo, 

 rufo-tomentoso vel squamuloso, ssepe rimoso, rubro vel navido- 

 rubro; carne firma, iiavida; tubulis adnatis circa stipitem plerum- 

 que depressis, sordide flavis vel tlavido-viridibus; poris latiuscu- 

 lis; stipite longo aequali vel sursum attenuato, reticulato-asperat<>. 



Hab. in silvis, in planitie Asheville frequens, Amer. bor. — 

 Pileus 5-7 cm. latus, stipes 10-25 cm. long., 7-15 mm. crassus. 



14. Boletus Zenkeri P. Henn. in Engl. Bot. Jahrb. 190L p. 44. — 

 Syll. XVI, p. 1115 (nomen). — Pileo carnoso, convexo-plano, 

 pruinoso, atro-castaneo, levi, glabro, 2-3 cm. diam.; stipite cylin- 

 draceo, farcto, atropurpureo v. atro-brunneo, striatulo v. subsqua- 

 muloso 3-5 em. longo, 4-6 mm. cr , superne subattenuato ; tubulis 

 adnatis subdecurrentibus, 2-5 mm. long., poris rotundato-angula- 

 tis ca. 1-1.5 mm. amplis. acie integris, luteis; basidiis clavati 

 intus brunneo-granulosis, 24-28 w 12 L5; sporis ellipsoideis v. ovoi- 

 deo-subfusoideis, utrinque obtusis, castaneis v. atro-brunneis, 1- 

 gutbulatis, levibus, 12-15 s -13. 



Ilnb. iu silvis. Kamerun, Afr. 



15. Boletus umbrosus Atkinson in Journ. of Mycol. 1902, p. 112 

 — Pileo convexo dein expanso 5-9 cm. lato, carnoso, subtomen- 

 toso, deiu areolato ut in B. subtomentoso, brunneo dein isabellino; 



