4i6 BRITISH FUNGI 



C. typhcs. — Very thin, spreading in long lines, at first appearing 

 as small, white, byssoid spots ; hymenium at first smooth, then 

 minutely mealy, and sometimes slightly cracked, edge some- 

 times indeterminateand mealy. 



Forming small, elongated patches ; hymenium dull buff when dry. 



On dead leaves of Typha, Carex, etc. 



C. lacimosum. — Broadly effused, soft, mycelium cinnamon or 

 dirty ochraceous, felty and lacunose ; hymenium ochraceous or 

 cinnamon, waxy and polished, not cracked when dry. 



Spreading broadly, generally loosely fibrillose, spongy, with 

 irregular holes or lacuuce on the surface. Sometimes forming a 

 thick felt on wood, and spreading on to the ground, twigs, etc., with 

 scattered tufts or patches of hymenium, as in C. arachnoideum. 

 Sometimes changing gradually into a compact, continuous waxy 

 hymenium, of an ochraceous or pale cinnamon-colour when dry. 



On wood, bark, and spreading to the ground. 



C. radiosum. — Forming thin, closely adnate, roundish patches, 

 edge radiating, fibrillose, white ; hymenium dingy ochraceous, not 

 cracked when dry. 



Somewhat resembling C. ladeum ; differing in the dark ochra- 

 ceous hymenium, which does not crack when dry. 



On rotten wood. 



** Hymenium brightly coloured. 



C. sanguineum. — Broadly effused, indeterminate, loosely attached, 

 cottony underneath ; hymenium pale red, then pale, radiating 

 marginal strands blood-red. 



On fallen branches and wood. 



C. roseolum. — Very broadly effused and very thin ; hymenium 

 bright rose-colour, then pale. 



Resembles Peniophora incarnata, but has no bristles in the 

 hymenium. 



On old worked wood. 



C. carlylei. — Forming elongated, waxy-looking patches appar- 

 ently sunk in the matrix ; hymenium polished, dingy orange, 

 margin whitish. Not cracking. 



On dead branches. 



C. cceruleum (PL XXXIII, fig. 3). — Broadly effused, hymenium 

 deep bright blue with a satiny sheen, becoming pale, edge whitish. 



Distinguished by the intensely deep clear blue colour. Phos- 

 phorescent in the dark, emitting a pale greenish yellow light. 



On old wood, branches, etc. 



C. violaceo-lividum. — Hymenium dingy reddish purple, usually 

 more or less corrugated or warted, margin paler, patches 1-2 in. 

 across. 

 ^•^On wood.] 



