268 



POLTPOEEI. 



Stem lateral, irregular, pruinose, white, at length brown. Pilei sub- 

 carnose, irregular, confluent in an involute manner, villoso-pulverulent, about 

 3 in. broad, yellow-green. Pores unequal, dirty-white, when torn more or 

 less of a green hue. — Fries. 



751. Polyporus giganteus. Fr. *' Large-branched Polyporus." 



Imbricated, fleshy, tough, somewhat coriaceous ; pilei dimi- 

 diate, very broad, flaccid, somewhat zoned, rivulose, bright- 

 brown, depressed behind ; stem branched, connate from a common 

 tuber ; pores minute, nearly round, pallid, at length, torn. — Fr. 

 Epicr.}-). 448. Eostk. 1. 19. Schceff. t. 267. Bolt.t. 76. Huss, i. t, 

 82. Holms. 1. 13, var. Eng. Fl. v. p. 137. Bisch.f. 3324. Fl. Dan. 

 i. 1793. Fckl.exs.no.lSdl. 



On trunks. Eare. 



[Low. and Mid. Carolina.] 



Forming large tufts, 1-2 feet or more broad, branched in an imbricated 

 manner. Pilei sublateral, flaccid, various in form, the surface granulated 

 with minute brown flocci, rigid, when dry squamoso-fibrillose, at first pale, 

 then brownish-yellow, disc depressed, at length black. Pores minute, dirty 

 brown when bruised, at length torn.— U/ig. Fl. (Fig. 64, redticed.) 



752. Polypoirus sulfureus. Fr. " Sulphury Polyporus." 



C^espitose, of a cheesy consis- 

 tence, soon growing pale, crack- 

 ing ; pileoli very broad, imbrica- 

 ted, undulated, nearly smooth, 

 reddish-yellow ; pores minute, 

 plane, sulphur-coloured, at length 

 torn. — Fr. Epicr. p. 450. Grev. t. 

 113. Bisch.f. 3287. Kl.exs.no. 

 1005. Bostk.t.20. Bull.t.A2d. 

 Sow. 1. 136. IIuss.i.t.4:6. Berk. 

 Outl.t.ie,/. 3. Eng.Fl.Y.p. 138. 

 Letell. t. 626. Price./. 116. Fckl. 

 exs. 1392. 



[United States.] 



Pilei imbricated, forming a large,compact, somewhat branched mass,some- 

 times 2-3 feet broad. Pores minute, often formed of inflexed or incurved 

 portions of the mass. Spores white. Dry specimens are often incrusted 

 with crystals of bin oxalate of potash.— .S??^. Fl. Spores oval, white, mi- 

 nutely papillose, '0003 X '00023 in. (Fig. 65, reduced.) 



Fig. 65. 

 On trunks. Common. 



753. 



Polyporus alligatus. Fr. '• Connected Polyporus." 



Caespitose, fibrous or of a cheesy consistence, rigid, but brittle ; 

 pileoli imbricated, unec[ual, without zones, villous, isabelline or 



