Hymenochcete 



THELEPHORACE/E 



407 



LXXXIV. HYMENOCH.ETE Lev. 



(From the bristly hymenium ; Gr. humen, a membrane, 

 chaite^ a bristle.) 



Pileus coriaceous, variable in form. Hymenium plane to papillose, 

 velvety, with minute, rigid, persistent, bright brown setae or modified 



3 



F J g- 99- A B, Hymenochcete rubiginosa Lev., entire and in section, one-half natural 

 size, c, part of hymenium, showing cystidium, basidium and spores, X 500. 



cystidia, three or four times the length of the basidia; in 1830 the 

 setae at first very pale. Basidia tetrasporous. Spores white or olive. 



(Fig- 99-) 



Allied to Peniophora. Species 18191831 



a. Apodce. No stem. Spores white, cystidia acuminate, plane. 



1819, 1820 



b. Resiipinatcz. With a resupinate habit, except 1827. 



Spores white, cystidia acuminate, plane or rough. 1821 1824 

 Spores olive. 18251827 



Cystidia subclavate, sometimes rough. 1828 1831 



a. Apoda, 



1819. H. rubiginosa Le'v. (from the iron-rust colour of the hymenium 



rubigo, rust) a b c. 

 P. effused, reflexed, somewhat imbricate, zoned, velvety, deep 



orange-sienna ; marg. orange. Hym. papillose, ferruginous or 



umber, sometimes deep claret-brown. 

 Hard wood, twigs, oak, alder, sometimes spreading to moss. Jan.-Dec. 6 in. 



1820. H. Avellana Lev. ex Cooke (from the habitat, hazel, Corylus 



Avellana) a c. 



P. effused, reflexed, zoned, villous, bay-brown; marg. obtuse, 

 free, narrowly reflexed. Hym. papillose, pale ferruginous or 

 pale brown, here and there bleeding, sometimes minutely 

 cracked all over. 



Hazel, beech, fir, etc. -1 in. 



