40 i ON THE BLEACHED WOOD 
There is not a trace of crust, and the whole structure is that of the 
more obscure hypoxylous Fungi. I do not therefore consider myself 
called upon to settle the affinities of similar anomalous bodies included 
by authors amongst Lichens, and I am the more willing to escape the 
task as | have not sufficient materials for anything decisive. Without 
analysis it is quite impossible to come to any satisfactory conclusion. 
l. Phoma inophila, n.s., maculis indeterminatis sericeo-nitentibus ; 
peritheciis oblongis; sporis oblongis minutissimis. (Tas. IIT. f. 4.) 
Has. On planks of Maple. King's Cliff. Nov. 1851. 
Forming white shining patches, which contrast strongly with the rest 
of the surface. Perithecia oblong. Spores extremely minute, 41,4 of 
an inch long, oblong, with a nucleus at either extremity. 
The spores of iih species are so small that ihey are only just dis- 
tinguishable with a power of 250 diameters. I do not know whether 
the peculiar aspect of the patches is due to the fungus, but it seems to 
be characteristic. 
A form which I cannot distinguish grows on Elm. 
It is to be observed that the measurement of the spores is to be con- 
sidered as that of average individuals. Some occur varying very 
greatly from the typical size; such variations however will not affect 
the general correctness of the measurements. 
2. Phoma mucifera, n. s.; peritheciis sparsis oblongis; sporis minu- 
tissimis muco involutis. (Tan, TI. f. 5.) 
. Has. On Elm planks. King’s Cliff. Nov. 1851. 
Perithecia scattered, oblong, discharging the spores from the base 
when ruptured in a cirrhiform string. Spores extremely minute, ob- 
long, with a nucleus at either extremity. 
The mucous substance in which the spores are involved is so little 
soluble that they are not dispersed as in other- ‘species. This cannot be 
placed in Spheronema, because the spores are not discharged by an 
apical pore. Further observations may possibly justify its generic se- 
paration. 
3. Phoma ulmicola, n. s.; maculis fuscis ; peritheciis subcongestis ; 
sporis minoribus ellipticis hyalinis. (Tas. III. f. 3.) 
Has. On Elm planks exposed to the weather. King’s Cliff. Nov. 
1851. 
Forming little oblong brown patches. Perithecia rather crowded. 
