376 Rev. M. J. Berkeley and Mr. C. E. Broome on British Fungi. — 
422*, S. mutica, u. s. Erumpens, peritheciis globosis obtusis 
subcespitosis ; sporis minimis ellipticis vel obovatis hyalinis. On 
small branches of elder, Batheaston, C. E. Broome. 
Erumpent. Perithecia more or less czespitose, globose, blunt, 
black, shining. Spores very small, hyaline, elliptic or obovate. 
This has exactly the habit of a Diplodia. 
423. S. Candollii= Spheria Buxi, DeC. FI. Fr. vol. vi. p. 146 ; 
Berk. Fung. n. 180, quoad specimina proveetiora. Septoria Pha- 
cidioides, Desm. no. 1719. 
The spores in this species are hyaline, oblong, about twice as 
long as broad, varying from elliptic to obovate. 
424. S. thecicola, n. s. Superficialis convexa collabescendo 
rugosa ; sporis tenuissimis linearibus rectis. On thece of Poly- 
trichum piliferum, Aberdeen, Dr. Dickie. 
Perithecia black, scattered, convex, at length collapsing, open- 
ing by a definite orifice. Spores very slender, hyaline, linear, 
straight, of various lengths. 
The spores in this species are longer and more slender than in 
S. cylindrospora, and resemble those of such Septorie as S. Le-. 
pidi. Spheria emperigonia, Auerswald in Rab. no. 850, which 
grows on a Polytrichum, has asci with subcymbiform uniseptate 
spores, and is therefore a true Spheria. 
425. S. menispora, n. s. Teeta ellipsoidea nigra poro rotundo 
demum pertusa; sporis arcuatis longis ; nucleis globosis hic ilhe 
sparsis. On dead leaves of Typha latifolia, Spye Park, Wilts, 
C. E. Broome. 
Entirely conceaied beneath the cuticle, with the exception of 
the round ostiolum. Perithecia ellipsoidal, black. Spores very 
long, curved, acute at either end, containing many scattered 
globose pellucid nuclei. 
The nuclei are not arranged regularly in a single row, and 
therefore probably do not represent endochromes. 
DiscELLa, n. g. 
Perithecium spurium subsimplex supra quandoque obsoletum 
vel omnino deficiens indeque excipuliforme ; sporis elongatis 
simplicibus vel uniseptatis sporophoris suffultis. 
The perithecium in this genus is so little distinct from the 
stratum of sporophores, that it is frequently difficult in examining 
a slice under the microscope to say that it really exists, though 
the two together are sometimes of considerable thickness ; neither, 
on the other hand, is the limit between the external cells and 
those of the matrix very accurately defined. In the same spe- 
cies it is sometimes entirely wanting above, and the sporophorous 
stratum merely covered by the cuticle, which at last splits and 
exposes the excipuliform disc, while in other cases the spurious 
