184 
Myrothecium, Tode. 
M. roridum, Tode. On decaying vegetable matter. 
M. inundatum, Tode. On decaying Boletus luridus. 
Exosporium, Link. 
E. Tiliae, Link. On bark of Tilia vulgaris. 
APPENDIX. 
MYXOGASTRES. 
A very beautiful group of — remarkable alike for 
beauty of form, brilliancy of coloration, and their remarkable life- 
history. Most of the species are minute, and are not uncommon 
on rotten wood, moss, &c. There is a difference of opinion as to 
the affinities of this group, which by some authorities is considered 
as related to Fungi, whereas others place it in the Animal 
Kingdom. Coloured figures, along with — aS of all the 
British „Species, are contained in * A Mo h of the Myxo 
gastres.’ wenty-five genera and fifty ien have been collected 
= the grounds, just about half the number known to occur in 
ritain. 
TUBULINEAE. 
Tubulina, Pers. 
T. cylindrica, Rost. On dead wood. 
T. effusa, Mass. On rotten wood. 
Enteridium, Rost. 
E. olivaceum, Rost. On stumps. 
CRIBRARIAE. 
Cribraria, Pers. 
C. intricata, Schrad. On rotten wood. 
C. argillacea, Pers. On wood. 
C. aurantiaca, Schrad. On fallen branches. 
Dictydium, Schrad, 
D. cernuum, Nees. On rotten wood. 
