2 20 P0LYP0REI. 



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. ?i. 819. S. Mycol. Scot. n. 769. — Sow. t. 326. 



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

 naked, flocculoso-pulverulent, not woven. Pores thin, continuous, 

 unequal, somewhat flexuous, intricate. 



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



On beech. Aboyne. 



Name— -farina, 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— i^") membrane ; kvotis, bladder. From the peculiar nature of the 

 dissepiments. B. &> Br. ?i. 1810 bis. S. Mycol. Scot. ?i. 775. 



#***■■****■* p ores white, superficial, S^c. 



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 — jSAe^apov, eyelid ; cn-6/xa, mouth. From the appearance of the 

 pores. B. Sf Br. u. 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 ajfiiiity. 



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

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



