POKIA. 207 



IV. Pores yellow, ochraceous, or honey-colour. 



Poria Laestadii. Fr. & Berk. 



SulDstance thin, white, very brittle, separable ; hymenium 

 tuberculose here and there ; pores short, bright citron- 

 yellow, circular or rather elongated and sinuous, very 

 minute ; spores 5 x 2-5 fx,. 



Polyporus Laestadii, Pries & Berk., Ann. Nat. Hist., n. 2026. 



On the underside of a deal board in a hot-house. Colour 

 bright persistent yellow ; forming confluent patches many 

 inches in length; substance from 1-2 lines thick, compact, 

 white, surface irregular, nodulose, the lumps varying in size 

 from a pin's head to that of a pea and larger ; pores exceed- 

 ingly short, sometimes circular, 4—5 in the space of 1 mm. 

 or elongated and curved. Judging from the specimens, the 

 fungus appears to be perennial, a new stratum of pores 

 developing each year, the latest stratum bright primrose- 

 yellow. 



Poria nitida. A. & S. 



Effused, subadnate, determinate, margin villous, yeUow 

 or almost golden ; pores short, minute, round, equal, shining. 



Polyporus nitidus, Alb. & Sohw., Lus., p. 268 ; Stev., Brit. 

 Fu^g., p. 214. 



On rotten wood. Eeoognised by its bright yellow colour. 

 Crust-like, adnata. 



Poria bombycina. Fr. 



Effused, silky-membranaceous, loosely attached to the 

 matiix, dirty yellow, margin velvety; pores large, angular 

 and sinuous ; spores elliptic-oblong, 6-7 X 4 /*. 



Polyporus bombycinus. Fries, Elench. i. p. 117 ; Stev., Brit. 

 Fung., p. 214. 



On rotten wood, &c. Pores at first appearing as roundish 

 depressions in the loosely silky substance of the fungus, 

 then becoming angular and sinuous, when regular about 

 ^ mm. across. 



Poria ramentacea. B. & Br. 

 Somewhat orbicular ; subiculum white, tomentose, margin 

 obsolete; pores honey-colour, large, somewhat hexagonal, 

 dissepiments thin, rather rigid, entii'e ; spores 6 X 3 /*. 



