Poria POLYPORACE.E 357 



Sub. a film. T. short. Po. round or wrinkled as in 



Merulius. 



Effused, determinate. Stumps, trunks, poles, fir; frequent. Aug.-May. 

 4 in. Allied to Merulius. Must not be confounded with 1604, in which 

 tne pores are deeper and torn and the margin reflexed. 



1611. P. purpurea Cooke (from its purple colour) a c. 



Plane, purple-lilac ; marg. barren, paler. Sub. a film. T. short, 



Po. minute. Myc. mucedinous, flocculose, white. 

 Stumps, willow, beech. 3! in. The violet colour disappears in drying. 



1612. P. inearnata Cooke (incarnatus, flesh-colour) a c. 

 Piano-undulate, coriaceous, marginate or immarginate, dark flesh- 

 colour or orange, becoming dark purple-brown-crimson or 

 purple-blackish; marg. broad, white or ochreous, sometimes 

 vinous-clouded, sometimes shortly reflexed as a narrow P. 

 Sub. a film. Po. short, unequal. 



Effused. Fir ; rare. June-Nov. 6 in. Sometimes with barren patches. 

 Must not be confounded with 1604. 



1613. P. rufa Cooke (from its reddish colour ; rufus, red) a c. 

 Piano-undulate, umber, vinous-umber, blood-red-rufous or deep 



reddish ; marg. barren, byssoid when young, greyish. Sub. a 

 film. Po. short. 

 Effused. Trunks, sticks, branches, etc., broom, beech, bird -cherry. 3^ in. 



1614. P. rhodella Cooke (from its rose-colour ; Gr. rhodon, a rose) a. 

 Plane, soft, white, flesh-colour, vermilion-salmon or Indian-red- 

 salmon ; marg. determinate, salmon. Sub. a film. Po. short, 

 minute, not torn. 



Effused. Trunks, fir, beech. Aug. 4! in. Thinner than 1613. 



1615. P. mieans Ehrb. (from its glittering pores ; mico> to glitter) a c. 

 Plane, often with rain-drop-like barren depressions on surface, 



whitish-flesh or biscuit-colour; marg. flaxy, byssoid, white. 

 Sub. a membrane. T. short. Po. minute, irregular, angular. 



Effused, orbicular, confluent. Dead wood, rotten trunks, ash. Nov. 

 3 in. Fugacious. 



1616. P. nitida Pers. (from its shining pores ; nit'idus, shining) a c. 

 Plane, bright yellow to pale sienna-yellow ; marg; villoso- 



determinate. Sub. a membrane. T. short. Po. round, 

 minute. 

 Effused, subadnate. Dead wood ; rare. Mar. 3^ in. 



1617. P. Lsestadii Cooke (after C. P. L^stadius) a b. 

 Piano-tubercular, brittle, separable, bright lemon-yellow, whitish- 

 sulphur or ivory-salmon when dry ; marg. not barren, edge 

 minutely and narrowly fibrillose. Sub. thin, white. T. short, 

 of different depths. Po. very minute, sinuous. 



Effused, sometimes stratose as if perennial. Deal boards, sometimes in green- 

 houses. Aug. 3^ in. 



