The My cologic Flora of Miami Valley, Ohio. 171 



d. ydhncis/i . 



72. P. viTEi.UNUS, Schw. Widely effused, loosely adnate, thick, 

 uneven, soft and fleshv. \itcllinc, with a byssine margin. Pores very 

 large, elevated, iinc<iiiai, thin, angular. 



On \erv rotten \vot)d. A soft and fleshy fungus of unequal thickness 

 and large unc(|ual pores. The (olor is \ery elegant and persists e\en in 

 drying: the egg-yellow pervades the whole mass. The long pores vary 

 from round to angular and even sinuous. Strings of yellow mycelium 

 penetrate the rotten wood beneath. 



73. P. XANTnoi.oMA, Schw. Widely effused, closely adnate, even, 

 smooth, dr\ : the border rather l)road, velvety, yellowish. Pores minute, 

 unequal, subrotund, obtuse, i)ale yellowish. 



Common in woods. Effused often to the extent of many inches or 

 even several feet on the underside of sticks or smaller branches lying- 

 somewhat u]) from the ground and keeping it dry. The border is some- 

 times "elegantly luteous" and therefore of a deeper yellow than the ])ores 

 but this is not always the case. The pores at first are pale, maturing into 

 a rich cream-color; they are mosdy roundish but vary to oblong and sub- 

 sinuous; the dissepiments are thick and obtuse; they average .16 mm, in 

 diameter. 



74. !'. iioMi'.vciNus, Vr. Kffused, silky-membranaceous, loosely 

 adherent, sordid yellowish, with a cobwebby-velvety border. Pores 

 ample, angulate. 



On an old rotten log of Sugar Maple; rare. A very distinct and 

 singular species. It first a])])ears as subrotund byssine spots, soon forming 

 in the center a |)orose hymenium, these then become confluent into a soft 

 rather thick membrane. The pores originate as little jiits sunk in llie 

 mycehum out of which the\' are w hojh' develoi)e(l, bt'ing at first subrotund, 

 then growing liniier llie\ bi-iome angular and sometimes fiexuous. The 

 dried siJccimens have taken on a brownish hue and the dissepiments are 

 very thin, dentate and lacerate. J\ siihiiitlosiis, Peck, seems not uuk h 

 different fioui the primordial state of this s|)ecies. 



f. (iiicreoiis. 



75. P. ciNKKKirs. Schw. Widel) effiised. adnate, firm; the border 

 narrow, thin white fimbriate. Pores small, unequal, subrotund, obtuse, 

 cinereous. 



In woods on the lower side of old logs; connnon. The whole of a 

 uulforu) ashen hue except the minute whitish fringe of llu' border. The 



