41 8 THELEPHORACE/E Petiiophora 



1875. P. einerea Cooke (from the ash-coloured hymenium ; ams, 



ashes) a b c. 

 Waxy, becoming rigid, confluent, cracking when dry. Hym. 

 minutely papillose or granular, cinereous or lurid, umber-white 

 or white-lavender, often clouded umber, here and there pale 

 salmon-white ; marg. usually definite. 



Wood, bark, herbaceous stems, pine, oak, poplar, lime, ash, honeysuckle, ivy, 

 bramble, Lycium, Viburnum. Aug. -June. 6 in. 



1876. P. velutina Cooke (from the velvety hymenium ; vellus^ 



fleece) a c. 



Broadly effused, adnate, very delicate, cracking when dry. 



Hym. even, flesh-colour, rose-salmon, ivory, scarlet- white, 



sometimes rose-lavender, paler at the somewhat broad, fleecy, 



usually fimbriate marg., extending in radiate strands of mycelium. 



Wood, bark, pine, bracken, sometimes involving moss. Oct. -May. 

 6 in. 



1877. P. rimosa Cooke (from the cracked hymenium ; rima, a 



cleft) a. 

 Broadly effused, agglutinate, cracking into areolae with silky 



interstices. Hym. cinereous, pallid fawn, or somewhat pale 



brown-sienna-ochre. 

 Bark, wood. 4 in. Differing from 1876 principally in the larger spores. 



1878. P. seotiea Mass. (from the first place of finding, Scotland) a. 

 Broadly effused. Hym. cinnamon or pale brownish-ochre, 



obscurely vinous and clouded opaque cinnamon-brown ; marg. 



fibrillosely-radiate. 



Inside bark. 3^ in. The irregularities of the inner side of the bark show 

 through the substance. 



1879. P. phyllophila Mass. (from its habitat, leaves ; Gr. phullon, a 

 leaf, philoS) loving) a. 



Broadly effused, membranous. Hym. continuous, ivory, some- 

 times faintly sulphurous or ochreous ; marg. fibrillose or 

 indeterminate. 



Dead leaves. 4§ in. Must not be confounded with the non-British 

 Corticium epiphyllum, from which it is distinguished by its setee. 



1880. P. pubera Sacc. (from the downy hymenium ; puber, downy) a c. 

 Broadly effused, closely adnate, very delicate, cracking. Hym. 



even, white, clay-colour or colour of milky coffee; marg. 

 determinate to indeterminate but minutely ragged, sometimes 

 slightly pulverulent. 



Oak, beech, mountain ash, rough pieces of rotten wood. Jan. -Feb. 3J in. 



1881. P. teprestris Mass. (from its occasional place of growth, the 



ground, terra) a b. 

 Effused, very thin. Hym. cinereous, pallid fawn or lavender-slate- 

 white. 

 Earth, twigs, branches, leaves. 5 in. Resembles pale dull lavender clouds. 



