288 Ilvmenomycetse, Polyporaceae, Fomes. 



sessili ungulato, infra plano, 4 « 6 * 3,5 cm. ; superficie minute to- 

 mentosa, profunde sulcata, anoderma v. leniter incrustata, firma 

 fulva, dein arri oxposita nigrescente in stratis senioribus ; margine 

 fulvo, sterili, rainute, tomentoso. obtuso, undulato ; contextu ob- 

 scure fulvo, firmo, corneo. 3-6 mm. cr. ; tubulis indistincte strato- 

 sis, intus fulvis, 2-4 mm. long. in quoque strato, ore fulvo, sub- 

 circulari, regulari praditis, 4 in quoque mm., acie crassa, integra; 

 sporis ferrugineo-fulvis, numerosis, subglobosis, levibus, 3-4 a. ; 

 hyphis concoloribus, 4 a. cr. ; cystidiis nulHs. 



Hab. in ramis dejectis, Culion Jns. Philip^pin. Amer. centr. 



18. Fomes subextensus (Murrill) Sacc. et Trott., Pyropohjporus sub- 113G 

 exte7isus Murrill, Bull. Torr. Bot. Cl. XXXV (1908) pag. 413. - 

 Pileo lato, lignoso, sessili dimidiato, applanato, subtus leniter con- 

 vexo, 7-8 « 10-12 » 1 cm. ; superficie rugosa, leniter sulcata, gla- 

 bra, leniter incrustata, opaco-brunnea; margine leniter lobato, 

 obtuso, fulvo, sterili; contextu ferrugineo, multizonato, ligneo, 

 fere 1 cm. cr. ; tubulis brevibus, 1-2 mm. long. in quoque strato, 



in stratis senioribus fulvis, in recentioribus griseo-fuscis, ore iiii- 

 nuto, fulvo, eirculari, crasse tunicato pncditis, 7-8 in quoque mm., 

 acie crassa, integra ; hyphis ferrugineis, 3-4 u.. crassis ; cystidiis 

 • ampuUiformibus vel irregularibus, acuminatis, fulvis, copiosis, 

 15-30*8-10. 



Hdb. in ligno emortuo, Camp. Keithley, Mindanao Ins. Philip- 

 pin. Amer. centr. 



19. Fomes tenuissimus (Murr.) Sacc. et Trott., Pi/ropolijporus tenuis- ^13'? 

 simus Murrill, Bull. Torr. Bot. Cl. XXXV (l908)'pag. 413. — 

 Pileo tenui, ligneo, rigido, dimidiato, supra convexo, subtus con- 

 cavo postice decurrenti, 1-1,5 * 4-5 ^ 0,1-0,2 cm. ; superficie rugooa, 



e spongioso-tomentoso subglabra, nec sulcata nec zonata, e fulvo 

 fuliginea, ad marginem magis crassa et spongiosa ibique fulvo 

 colorata, minute tomentosa, subcrassa, undulata; contextu fulvo, 

 tenui, molliter suberoso; tubulis stratificatis, 0,5 mm. vel ultra 

 longis in quoque strato, intus cinereo-fuseis, ore initio albo-farcto, 

 minuto circulari, regulari pra^ditis, G in quoque mm., primum 

 avellaneis, dein obscurioribus, acie crassa, integra; sporis globosis, 

 levibus, hyalinis, copiosis, 3-4 ;j.. ; liyphis melleis, 2-3 |j. cr.; cy- 

 stidiis fulvis, cuspidatis, paucis, 15-20 * 5-7. 



Hah. in ligno omortuo, Davao IMindanao Ins. Philippin. Amer. 

 centr. (E. B. Copeland). 



