264 OUTLINES OF BRITISH FUNGOLOGY. 



Genus 13. NYCTALIS, Fr. (p. 217). 



I. Spele.e. — Gills crowded, somen'hut coalescent. In hollovj places. 

 These species are j)robahly fontis of others, chanyed in appearance 

 owing to their place of groioth. 



1. N. caliginosa, Sm. ; pileus white when dry ; marked 

 with light and dark dull grey colours when wet^ very fleshy, 

 floccoso-pruinose when dry, margin involute, slightly ex- 

 ceeding the gills ; stem solid, floccoso-pruinose, base naked ; 

 gills decurrent, thick, branched. 



In a dark place in Bishop's Wood, Highgate. Odour 

 and taste rank and disagreeable, like Polyporus squamosus. 

 II. Pakasit.k. — Gills disti7ict, distant. On putrid Jungi. 



2. N. asterophora, Fr. (p. 217) ; ^f in. Epping 

 Forest. 



3. N. parasitica, Fr. (p. 218) ; i-1 in. Eppiug Forest. 



Genus 14. MARASMIUS (p. 218). 



I. CoLLYBiA. — Fileus flesh ij-pliuvt, at length someivhat coriaceous, 

 silicate or xvrinhled, margin at first involute, stem someichat 

 cartilaginous, mycelium floccose ^chen manifest. 



A. ScROTEi. — Stem solid, or stuffed loith a ^^/i//, then hollow 

 iiiternally fibrous, externally clad with villous doivn which is 

 easily wiped from the cartilaginous cuticle. 



* Stem tvoolly or strigose at base. 



1. M. urens, Fr. (p. 218) ; 2-o in. Eppiug Forest. 



2. M. peronatus, Fr. (p. 218) ; 1—2 in. Epping Forest, 

 o. M. porreus, Fr. (p. 219) ; 1-2 in. 



** Stem naked at base, often composed of twisted fibres. 



4. M. oreades, Fr. (p. 219) ; 1-2 in. Eppiug Forest. 



5. M. plancus, Fr. ; pileus fleshy, tough, plane, then 



