220 POLYPOREI. 



Polyporus. It occurs in innumerable more or less imperfect stages of development. 

 Var. Mycelium simply membranaceous. 



On dead wood. Rare. April. 



Name after Vaillant. Fr. Hym. Eur. p. 579. Berk. Out. p. 252. C. 

 Hbk. n. 819. S. Mycol. Scot. n. 769. Sow. t. 326. 



119. P. farinellus Fr. White, widely effused, thin, mycelium 

 T\2ks& t flocculoso-pul'verulenti not woven. Pores thin, continuous, 

 unequal, somewhat flexuous, intricate. 



Fugacious to the touch. Of the consistence of Thelaphora sambuci. 



On beech. Aboyne. 



Name /tfr/Vzrt, meal. From its pulverulent nature. Fr. Hym. Eur. p. 

 579. B. & Br. n. 1292. S. Mycol. Scot. n. 770. 



120. P. hymenocystis B. & Br. Snow-white, arachnoid beneath 

 and at the margin. Pores large ; the scarious dissepiments col- 

 lapsing, at length pallid. 



A very curious species. 



On dead wood. Glamis, 1875. 



Name MV, membrane ; KVOTIS, bladder. From the peculiar nature of the 

 dissepiments. B. & Br. n. 1810 bis. S. Mycol. Scot. n. 775. 



# Pores white, superficial, 



121. P. blepharistoma B. & Br. Wholly resupinate, snow- 

 white, mycelium arachnoid, somewhat mealy. Pores small, dis- 

 sepiments thin, margin ciliato-dentate. 



Very thin and delicate ; the ciliato-dentate margin of the pores very elegant. 



On dead wood. Glamis, 1874. Nov. 



Name j3Ae$apoi/, eyelid ; orojua, mouth. From the appearance of the 

 pores. B. & Br. n. 1434. S. Mycol. Scot. n. 771. 



122. P. reticulatus Fr. --White, orbicular, thin, fugacious, 

 radiating like flax at the floccose margin. Pores distant, cup- 

 shaped. 



On rotten wood. Glamis, 1874. Forres. April-Sept. 



Extremely delicate and beautiful. Name rete, a net. From the net- 

 work of pores. Fr. Hym. Eur. p. 580. Icon. t. 190. /. 3. B. & Br. n. 1810. 

 S. Mycol. Scot. n. 772. Pers. Syn. p. 584. 



Species of uncertain affinity. 



123. P. bathyporus Rostk. " Effused, white, the thin circum- 

 ference flaxy. Pores rather large, cyathiform, toothed." 



