‘165 
and Hverhart allege; a horizontal section of their own specimens 
will show it, but it oes not protrude through the spore-mass and 
make a white “eye”? so often as happens in M. peolms ae 
British specimens are A ge terme) intermediate between M. zon. 
tum and the typical M. bicolor, of which the org! might ai 
be considered to be only a strongly marked varie 
4. Melanconium stromaticum, Corda, Ic. aes i. 3 (1837); 
Sace. Syll. iii. 
This species presents the usual source of confusion, in that it 
was considered by the seers authors to include what we should 
now call several speci is one certain guide avail- 
i 
seen ows ‘‘in ramulis Betulae albae.’’ What — 
was thinking = is iat that form of M. bicolor which doe 
as a matter of fact, occur, everyw here upon the smaller ‘ircucidets 
bicolor, var. ramulorum, to a Melanconium on at se being 
misled by what Fuckel had geeriouily done (Symb. Myc. p. 188). 
n examining the pub = sree one finds het speci- 
mens identical in all respects have been issued under the names 
M. stromaticum and M. = ies It will be sae therefore, 
to retain the former name for ce species on Carpinus, which is 
seen even with the naked eye to be different fren: aithars, and 
agrees fairly well with Corda’s “tigre in Sturm except that it 
The following exsiccata have been examined :— 
ee Fe ib Sts Fekl. Fung. Rhen. no. 90! 
s Rabenh. Fung. Eur. no. 1290! 
“<M. “ramsitorwn,” Roum. Fung. Gall. exs. no. 1432! 
Thiim. Mycoth. Univ. no. 1882! 
9 
Fuckel’s no. 90 and Roumeguére’s no. 1432, though gathered 
far apart in space and time, look as if they m ight have formed 
part of the same gathering. A description of this species is 
appended. 
 Pastuled scattered, 0°5-15 mm. diam., covered by the bark, 
circular, very de pressed, sometimes almost flat, Sea ehiscing in 
the centre by a round protruding pore, black, showing through 
res ob 
one or two guttules, resembling those of M. bic olor, 9-15 x 7-8 p, 
often with a pale apiculus vita the base, becoming at length effused 
round the pore as a black stain. 
On dry dead twigs and cae - eg oie Betulus, but 1 
have found it once on still living tw 
