CORTICIUM. 275 



6. 0. porosum B. & Curt. Resupinate, milk-white, here and Corticium. 

 there porous, margin free, reflexed. 



The pores look as if little dew-drops had settled on the hymenium, which 

 had in consequence contracted or rather retracted. 



On wood. Aboyne. 

 Name porosus, porous. B. & Br. n. 1821. S. Mycol. Scot, n, 886. 



7. C. arachnoideum Berk. Effused, delicately flaxy as is the 

 circumference. Hymenium white, very thin, patchy. 



The mycelium is as delicate as a spider's web. 



On wood, lichens, &c. Frequent. Oct.-Feb. 



Name apaxvy, a spider. From the spider-web mycelium. Berk. Out. p. 

 273. C. Hbk. n. 924. S. Mycol. Scot. n. 877. Fr. Hym. Eur. p. 649. 



8. C. fcetidum B. & Br. Effused, resupinate, arachnoid be- 

 neath, white then ochraceous and smooth. 



Not apparently a resupinate form of Thelephora fastidiosa. 

 On sawdust. Coed Coch. 

 Name -foetidus, foetid. B. &= Br. n. 1824. 



9. C. Iseve Pers. Effused, membranaceous, separating, villous 

 beneath, circumference flaxy (not fibrilloso-radiate). Hymenium 

 even, smooth, somewhat flesh-colour or livid. 



On dead wood, sticks, &c. Very common. Nov.-March. 



Hymenium sometimes pure white. M.J.B. Spores ellipsoid or ovoideo- 

 sphaeroid, subchlorino-hyaline, I2x8-iomk. K. Name Icevis, even. Pers. 

 Disp. p. 30. Fr. Hym. Eur. p. 649. Berk. Out. p. 273. C. Hbk. n. 925. 

 S. Mycol. Scot. n. SjS.Bonord.f. 251. 



10. C. roseum Pers. Rose-colour, effused, adnate, circumference 

 fringed and whitish. Hymenium pruinose, becoming pale, at 

 length rimoso-corrugated, hardened. 



Very pretty, cognate with Hyphelia rosea. 



On dead wood, birch, poplar, &c. Frequent. Oct.-Feb. 



Name rosa, a rose. Rose-coloured. Pers. Disp. p. 31. Fr. Hym. Eur. 

 p. 650. Berk. Out. p. 273. C. Hbk. n. 926. S. Mycol. Scot. n. 879. 



** Mycelium and circumference coloured. 



11. C. velutinum Fr. Flesh-colour, effused, adnate, circum- 

 ference strigose with straight, diverging flbres of the same colour. 



Hymenium thick, fleshy, even, velvety with dense small bristles. 



