Stemonitis, Gled. 
S. fusca, Rost. 
On rotten wood. 
S. typhina, Mass. 
~ On rotten wood. 
S. friesiana, De Ba 
On dead leaves, 
Lamproderma, Aost. 
L. violaceum, Rost. 
On living Hypnum. 
L. irideum, Mass. 
On dead leaves. 
Perichæna, Fries. 
P. corticalis, Rost. 
Lycogala, Micheli. 
L, epidendrum, fost. 
On fallen trunks: 
Prototrichia, Rost. 
P. cuprea, Mass. 
Oligonema, ost. 
0. nitens, Post. 
On dead bark. 
Trichia, Haller. 
T. fragilis, Host. 
On dead wood. 
T. varia, Rost. 
On dead moss. 
Chondrioderma, Post. 
C. floriforme, Rost. 
On mosses. 
C. difforme, £ 
ost. 
On dead hawthorn leaves, 
166 
STEMONITEX. 
Brefeldia, Zost. 
B. maxima, Rost. 
On fallen trunks. 
Reticularia, Bull. 
R. Lycoperdon, Rost. 
On wood and bark. 
LAMPRODERMEÆ. 
Lamproderma—cont. 
L. arcyrioides, Rost. 
On rotten wood, 
ARCYRIEZ. 
Arcyria, Mill. 
_A. punicea, Rost. 
On rotten wood. 
A. incarnata, Rost. 
On dead bark. 
A. nutans, Rost. 
On rotten wood. 
A. cinerea, Mass. 
On dead wood. 
'TRICHEX. 
Trichia—cont. 
T. abrupta, Che. 
On dead wood. 
T. scabra, Post. 
On dead wood. 
T. fallax, Rost. 
On rotten wood. 
Drpyugs. 
Didymium, Schrad. 
On living moss. 
On dead leaves. 
D. farinaceum, Schrad. 
D. squamulosum, Fries. 
