358 POLYPORACE/E Porta 



i618. P. bombyeina Cooke (from the silky membranous subiculum ; 



bombyx, silk) a b c. 



Sub. very thin, translucent ; marg. byssoid. Po. large, angular, 



sinuous ; marg. arachnoid-velvety, pale buff or white. 



Effused. Rotten wood ; rare. Sept. 3 in. The grain of the wood some- 

 times shows through the extremely thin substance. 



1619. P. aneirina Cooke (from the margin not being woolly as in 



1618 ; Gr. an, not, cirineos, woolly) a c. 

 S?ib. thin, coriaceous, somewhat flaxy ; marg. byssoid. Po. shallow, 

 large, waxy, fulvous, tawny, warm biscuit-colour or bright orange- 

 yellow ; marg. flaxy, becoming waxy, white. Myc. buff-white. 



Effused. Dead wood, branches, poplar, pine under the bark ; rare. Oct. 

 4 in. Contracting and becoming torn in drying. 



1620. P. ramentaeea Cooke (from one of its habitats, chips, r amenta) 



a b. 



Sub. thin, tomentose, white. Po. somewhat large, hexagonal, 



honey-colour ; marg. almost obsolete, irregular, warm-ivory. 



Somewhat orbicular. Dead branches, fir. Sept. 1^ x I in. Cartilaginous 

 and horny when dry. Barren patches occur on the hymenium. 



1621. P. eineta Cooke (from the encircling, erect strigose fibres ; 



cingo, to encircle) a. White to ivory. 



Sub. membranous, sometimes barren, and with lacunae ; marg. 



byssoid. Po. extremely minute. 



Old deal boards, rotten planks ; rare. 3! in. Patches of vertical striga 

 become confluent and form a subiculum. 



1621a. P. fuseoearnea Cooke (from the brownish flesh-colour ; 

 fuscus, dark brown, caro, flesh). 

 Sub. thin ; marg. definite. T. T l g to y 3 ^ in. long. Po. minute, 



fawn-colour when fresh or vinous-brown, graduated paler. 

 Rotten wood, putrid trunks. 3^ x 3 in. 



1622. P. armeniaea W. G. Sm., Po/yporus ar?neniacus Berk, (from 



its apricot-colour ; armeniacum^ apricot) a b. 



Sub. membranous to £ in. or more thick ; marg. thin, well 



defined, minutely downy or byssoid. Po. shallow, to \ in. 



deep, rounded, somewhat irregular, minute, white, then bright 



buff, or glancing with the light, ochreous on side view, bright 



foxy-brown on full view. 



Broadly effused, suborbicular, confluent. Bark, pine. Nov. -April. 

 3J x \\ in. Sometimes a rugged, free pileus is formed. Cooke refers 

 this to 1566, but the spores are different in shape and size. 



1623. P. Rennyi Cooke (after James Renny) a b. 



Sub. thin to somewhat thick, pulvinate, at first somewhat frothy, 



then dry and pulverulent ; marg. byssoid. Po. minute, few, 



irregular in depth, here and there elongated, white, becoming 



lemon or pale buff. Myc. gelatinous, partly byssoid. 



Odour pungent. On the ground, rotten wood, running over Marchantia, fir. 

 Nov. 2^x| in. Pores sometimes absent or subiculum with large barren 

 patches. 



