103 
Placodium Murorum, Ni. 
Pannaria pezizoides, Weber. On bare ground ; formerly common 
on slope of bank facing Palace Grounds. 
Peltigera canina, (L.) Scher. 
Collema limosum, Ac. 
Lepra viridis, Scher. 
Leproloma lanuginosum, (Ach.) Ngt. 
5. FUNGI. 
By G. Massee, F I.S. 
The following enumeration of 378 genera and 1,742 species 
rare and interesting species, any other record for an equal ar 
This is only sicca Re would x expected, when the enn 
flux from 
along with ‘soil, or frequently on the trunks of tree-ferns, either 
in the form of spores, or in an undeveloped condition, 
It is worthy of note that the Polyporeae and Thelephor 
abundant in tropical regions, are absent from the list as fitroddood 
specie 
As illustrative of the exotic element may be mentioned Hiatula 
an 
emitting a pale green light. It is figured by Cooke lusir. Brit 
Fung., pl. 688). Tiamis purpurata, Cke. & Mass., a very 
beautiful fungus, was established (Grev., xviii., 73) from specimens 
growing on the trunk of a omne heH in one of the fern-houses, and 
has since been received from aui ed Zealand, its undoubted — 
Aserüe rubra, La Bill, the m beautiful of the many quai 
forms belonging to the stetur à native of qud od 
also occurred in a stove, some time previous to the year ar 1867 ; the 
specimens are at present in the herbarium. e genus Chitonia, 
E only four known species, is represented by C. rubriceps, 
Cke. ass. (Grev., xv., 91), found on soil ir the aroid house 
but ion gh a typical member of a exotic genus, no clue as to 
its native habitat has yet been obtain 
Coming to microscopic forms, we a that the list contains a 
still greater per-centage of introduced species, t.e., species new to 
