CEYLON POLYPORI. 
119 
Polyporus secernibilis Berk. 
Polypoms secernibilis Berk., Hook. Lond. Jour. 
Bot. (1847), p. 500 ; Polypoms dissitus B. & Br., Fungi 
of Ceylon, 454. 
3410, Haputale, March, 1912 (det. Lloyd as dissitus) ; 
3894, Hakgala, January, 1914 ; 4038, Hakgala, April, 
1914. 
Bresadola and Lloyd consider that P. dissitus is the 
same as P. adustus of temperate climates. Our species 
is at first pure white, watery, and spongy, hyménium 
subtranslucent ; the hyménium becomes black when 
old, and on drying. This species apparently occurs 
only up-country. 
Polyporus introfuscus n. sp. 
P. secernibilis of Lloyd, non Berk., in Herb. Kew. 
3595, Peradeniya, December, 1912 ; 3474, Peradeniya, 
May, 1912. 
Dimidiate, decurrent behind, or pseudostalked, 
fused into large imbricated masses. Individual pile! 
comparatively small, up to 4 cm. long and 3 cm. broad, 
plane, moderately thick (up to 8 mm. behind), pale 
yellow-brown, with darker brown zones : radially 
silky. Context coarsely horizontally fibrous, dark 
brown when moist, pale brown when dry. Lower 
surface pallid, becoming brownish when bruised, 
black-brown when dry. Pores minute ; pore layer up 
to 1’5 mm. deep. Spores white in mass, narrow-oval 
or subcylindric, 5-8 X 3 
Dimidiatis, decurrentibus, vel pseudostipitatis, 
imbricatis ; pileis parvis, ad 4 cm. long., 3 cm. lat., 
planis, crassiusculis, pallide flavo-brunneis, zonatis, 
radiatim sericeis ; contextu horizontaliter fibroso, vivo 
fuscobrunneo, sicco pallide brunneo ; hymenio pallido, 
sicco nigro-brunneo ; poris minutis, ad 1 *5 mm. long. ; 
sporis albis, angusto-ovalibus vel sub-cylindraceis 
5—8 X 3 
Polyporus conch oides Mont. 
3748, Peradeniya, April, 1913 (det. Lloyd). 
