354 HynienomycettB, Polyporacero, Polyporus 



18. Polyporus dichrous Fr. — Syll. YI p. 125 — var. ambigua Sacc. i326 

 et Trotter, I rnnybi (leirAvellinese, Avellino 1920, p. 18. — Pi- 



leo niargineque iiymenii lato oninino albis (nec cinereis ut in P. 

 adusto), poris vero denique nigricantibus (nec fusco-cinnamomeis 

 ut in P. (xduftto). 



Hah. ad lignum putrem prope Avellino, Campania, Italiae austr. 

 (Tkotter). — Inter Pol. dichroo et P. adusto medius. 



19. Polyporus subgilvus Bresadola, Ann. Mycol. 18., 1920, p. 34 (uom. 1327 

 ,iov.). — Syn. Polyp. suhradiatiis Bresadola iu Sydow, Engier Botan. 

 Jabrbiicb. etc. 54., 1916, p. 247, non Lloyd 1915. — Resupinato- 

 retiexus ; pileo plus minusve elongato, 2-3 mm. reflexo, sericeo, 

 striato-ruguloso, fulvello, substantia tenui aureo-fulvella ; tubulis 

 fusco-ferrugineis, 1-2 mra. longis ; poris concoloribus, subrotundis, 



7-8 pro mm. ; sporis byalinis vel rarius substramiueis, subglobosis, 

 4,5-6*^4-4,5; basidiis mox collapsis, 15-18*4-4,5; setulis fulvis, 

 15-24 * 6-8 ; bypbis contextus bymenii 2-3,5 ja, pilei 2-4 [x crassis 

 tenacibus. 



Hah. ad ramos corticatos propeEtappenberg, Nova Guinea, Africa. 

 trop. (Ledermann). — Aspectu externo perquam Polyporo radiato 

 var. noduloso similis, sed differt pileo tenuiore, poris duplo mino- 

 ribus baud argenteo-micantibus et structura tam bymenii quam pi- 

 lei ex bypbis tenacioribus, magis coloratis et fere ex dimidio stric- 

 tioribus. 



20. Polyporus raphanipes Wakefield, BulL Bot. Garden Kew, 1914, 1328 

 p. 157. — Lentus, mesopus ; pileo giabro, alutaceo, 3,5 cm, usque 

 diam. (in sicco), centro umbilicato, brunueo-tincto, marginem versns 

 leviter adpresse fibrilloso, margine ciliato; poris minutis, albidis; 

 stipite rufescente, primo leviter pruinato, medio 1,5 mm. crasso, 

 sursum in pileum expanso, deorsum abrupte incrassato, basi fusi- 

 formi-radicata, parte supera 2,5 cm. usque alta, parte fusiforme . 

 2-2,5 cm, longa, 6-7 mm. crassa; sporis ellipsoideis, byalinis, 5-7 * 3. 



Hah. in provinciis septentrionalibus Nigeriae (J. S. Macfie) uec 

 non in Africa orientali Lusitanica prope Zumbo (A. Cruz). — Af- 

 finis P. Tricholomati Mont. 



21. Polyporus Bathiei Lloyd, Lett. 43 p. 2. — Pileo unilaterali, in ma- 1329 

 joribus 2,5 cm. cr., 4 cm. lato, crusta opaca, rugulosa, giabra, sub- 

 zonata ; stipite laterali 5-8 mm. cr., 7-10 cm. longo, basi longe ra- 

 dicata, stipitem aequali ; contextu parco, demum umbrino ; poris 

 perexiguis, cinnamomeis, ore concolori; sporis giobosis coloratis, 

 levibus, 10-12 |x diam. 



