LEUCOSPOR.E 
137 
less deeply split at the margin, the lobes becoming involute 
and appearing tubular in transverse section. On rotten 
trunks, foreign logs, beer-casks, alder, beech, etc. ; also on 
dry hay in silos. Rare in Britain. 
TROGIA 
(After Jacob Gabriel Trog, a Swedish botanist) 
T. crispa (from the crisped gills). Plate XLV. 3. 
P. J-i in., cup-shaped at first, resembling a Peziza, then 
reflexed and irregularly lobed, almost flat, a little downy, 
yellowish-brown, margin whitish. G. vein-like, resembling 
those of Cantharellus, in which genus it was formerly 
placed, edge obtuse, crisped, greyish - white. S. absent. 
Gregarious on dead branches in late aut. Rare in Britain. 
Sometimes nearly white. 
LENZITES 
(After Harold Othmar Lenz) 
L. betulina ( betula , birch—its usual habitat). Plate 
XLV. 13. 
P. 3-4 in., attached by a broad, expanded base, super¬ 
ficially resembling Auviculavia mesenterica, pale brown, tomen- 
tose, usually slightly zoned, firm and corky. G. broad, thin, 
straight, simple, or branched (occasionally anastomosing), 
dingy-white. Perennial on trunks and stumps, especially 
birch and oak ; often imbricated. Common in England, 
rare in Scotland. 
L. flaecida differs in the very thin pileus, which is narrowed 
behind, not attached by a broad base, frequent on beech. 
L. saepiaria ( sapis , a hedge—from its habitat) grows on fir- 
wood only. 
