456 Rey. M. J. Berkeley and Mr. C. E. Broome on British Fungi. 
Fries proposed the name of Cheirospora in the addenda to 
‘Syst. Orb. Veg.’ in 1825, more than ten years before Thyrsidium, 
Mont., and we therefore adopt his name in preference to Myrio- 
cephalum, D. Notaris, a name proposed much later than Thyrsi- 
dium, but in favour of which Dr. Montagne had kindly waved his 
title to priority. 
442, Pilidium carbonaceum, lab.= Cenangium fuliginosum, Fr. 
On willow branches, King’s Cliffe, &c. 
This is no Cenangium, being destitute of asci. The spores are 
falciform and septate. We scarcely think it a good Pilidium, 
according to Kunze’s notion of the genus, taking P. acerinum as 
the type. 
443. Melasmia acerina, Lévy. Ann. d. Sc. Nat. May 1846, 
p- 276. On leaves of Acer Pseudo-platanus, Beddgellart, Horatio 
Piggot, Esq. 
Resembling very much a depauperated state of Rhytisma ace- 
rinum, or rather R. punctatum, but differmg greatly in structure, 
having no asci, but minute oblong spores. 
444, Hacipula macrotricha, n.s.  Peritheciis hispidis; pilis 
longis rectis; sporis minimis lunulatis. On dead branches of 
Ulex europea. The precise locality has not been preserved. 
Perithecia larger than in the other species, coarsely hispid ; 
hairs long, thicker than in LE. Vermicularia, Corda; their imner 
tube separating easily from the outer. Spores far more minute, 
lunulate. 
A much coarser species than that just mentioned, easily recog- 
nized by its larger size, coarser hairs, and mimute spores. 
445. KH. chetostroma, n.s. Gregaria convexa cinerea ubique 
setis nigris percursa ; sporis lunatis, subfusiformibus. On dead 
ash keys, Leigh Wood, Somersetshire. 
Minute, convex, black; disc rough, with the long inarticulate 
bristles which everywhere penetrate its substance. Spores on 
rather long fasciculate or connate sporophores, lunate, subfusi- 
form, acute at either extremity, pale; endochrome granulated, 
green under the microscope. 
This is to the genus Hacipula precisely what Desmazierella is 
to Peziza; but as the species is so much lower in the scale, we 
consider the protrusion of the bristles through the disc as of less 
importance, and therefore do not regard it as generically distinct. 
It is in fact an Hxcipula in every other respect. We have a closely 
allied species on some Panicum from South Carolina. 
Puiate XI. fig. 2. a. Plant nat. size on an ash key; 0. portion showing 
the stroma, hairs and spores, with their sporophores magnified ; ¢. sporo- 
phores and spores more highly magnified ; d. spores very highly magnified. 
446. Dinemasporium gramineum, Lévy. Ann. d. Se. Nat. May 
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