620 MERULIUS 



3. MERULIACEAE. 



Hymenium spread over veins, anastomosing pores, or quite smooth ; 

 edge of veins or pores fertile. 



Merulius Fr. 

 (Merus, pure.) 



Receptacle gelatinous, coriaceous gelatinous, waxy, membrana- 

 ceous, or floccose, resupinate, or effuso-reflexed. Hymenium at first 

 smooth, becoming reticulated with irregular, obtuse folds or pores, at 

 length gyrose or obsoletely toothed, and fertile on the edge. Spores 

 white, or coloured, elliptical, ovoid, pip-shaped, globose, subglobose, 

 elliptic-oblong, cylindrical, or sausage-shaped, smooth. Cystidia 

 present, or absent. Growing on wood, rarely on the ground. 



* Spores white. 

 fP. effuso-reflexed, margin determinate. 



2091. M. confluens Schwein. Confiuens, becoming confluent. 

 R. 2-5-10 cm., vinous biscuit, colour, resupinate, longitudinally 



effused, becoming confluent, somewhat fleshy; margin biscuit colour, 

 free, inflexed, subtomentose. Folds becoming pinkish cinnamon to 

 pecan brown when dry, very small, uneven, reticulate. Flesh coria- 

 ceous, thin. Spores "hyaline, even, cylindric, flattened on one side, 

 4-5-5 x 2-5/Lt. Subhymenial hyphae incrusted " Burt. Alder branches. 

 Aug. Rare. 



2092. M. tremellosus (Schrad.) Fr. Hussey, Illus. Brit. Myc. i, t. 10. 



Tremellosus, trembling. 



R. 2-5-15 cm., white, translucent, resupinate, then free and re- 

 flexed, often connate and imbricate, tomentose; margin often pinkish, 

 dentato-radiate. Folds ruddy, pinkish, or pale, porous, twisted, 

 toothed. Flesh gelatinous, cartilaginous when dry. Spores white, 

 sausage-shaped, curved, 4-5 x lp. Cystidia "even or incrusted, 

 sparse, 3-5-4-5/u, in diam., emerging 15-25 /A above the basidia" 

 Burt. Stumps, and dead branches of birch, beech, and oak. Aug. 

 Feb. Not uncommon, (v.v.) 



2093. M. aurantiacus Klotzsch. Aurantiacus, golden. 

 R. 2-5-4 cm., between yellow and dirty white, here and there cinereous, 



effuso-reflexed, tomentose, obsoletely zoned. Folds dull orange, minute, 

 subporiform. Flesh coriaceous, tough. Dead beech trunks. May 

 Sept. Rare. 



2094. M. corium (Pers.) Fr. (= Merulius papyrinus (Bull.) Quel.) 

 Grev. Scot. Crypt. Fl. t. 147, as Thelephora corium Pers. 



%6piov, leather. 

 R. 5-20 cm., whitish, resupinato-effused, often imbricate; margin 



