MR. GEORGE MASSEE ON THE THELEPHORER. 127 
Fig. 11. Heterobasidium chlorascens, Massee, portion of hymenium and densely 
compaeted subiculum : x 500. 
12. Coniophora olivacea, Massee; basidium, a; sterigmata, b; spores, c; 
sterile basidium or paraphysis, d: x 500. 
Prate XLVII. 
Fig. 13. Coniophora ochracea, Massee, portion of a cobweb-like radiating margin 
with sparsely scattered erect basidia-bearing branches, a, b, not forming 
a compact hymenium ; c, prostrate hypha of subiculum : x 500. 
14. Peniophora inconspicua, Massee, portion of hymenium with cystidium 
a, and basidia b: x 500. 
15. P. hydnoides, Cooke & Massee, portion of hymenium with a fascicle of 
cystidia a: x 500. 
16. P. hydnoides, cystidia separated to show the basidia-like origin from 
branched hyphe : x 500. 
l7. P. pezizoides, Massee, plants : nat. size. 
18. P. pezizoides, portion of hymenium : x 500. 
19. P. pezizoides, section of plant : nat. size. 
Ordo THELEPHOREA, Fries. 
Hymenium inferum vel amphigenum, ceraceum vel pulveru- 
lentum, leve vel effiguratum. Basidia4-2-sterigmatica, sterigmata 
acicularia; spore albe vel colorate. 
The above definition of the Order agrees in most respects with 
the one given by Fries in his latest work *, the coriaceous cha- 
racter of the hymenium being omitted, as the genus Auricularia, 
possessing this character, has been placed in the Z'remellinec. 
In the genus Beccaria the tubercles are in some species elongated 
and large as in Radulum. 
In the specific descriptions, colour and texture of hymenium 
or margin refer to the appearance presented by the dried plant ; 
colour of spores as seen by transmitted light; measurements of 
spores, cystidia, &c. give the average size, and in the present 
work are considered as only one factor of value in the discrimi- 
nation of species. 
HETEROBASIDIUM, Massee, nov. gen. 
Resupinato-effusum, secernibile; subiculo compacto, arido; 
basidia bi-monospora ; spore septate, fuscidule. (Pl. XLVI. f. 11.) 
Intermediate between the Hymenomycetes and the Hypho- 
* Hym. Eur. p. 629. 
