325 
1.—Bactridium flavum Kze. On elm stumps, Batheaston. Kze. 
M.H.TI. tL, fig. 2. 
2.—Bactridium Helvelle: B and Br. A.N.H., No. 816, with a fig : 
on Peziza testacea, Bathford. Two out of three British 
species pertain to this district. 
GENUS 145. HELICOSPORIUM WNees.* 
Parasitical. Spores filiform, articulated, spirally involute. 
Helicosporium vegetum Nees near Bristol, on sticks. Nees. 
Syst. d. Pilze fig. 66. 
We possess one out of two British species. 
GENUS 146. BIsPpoRA. Cda.t 
Flocci tomiparous, moniliform, composed of didymous spores. 
1.—Bispora monilioides Cda. On stumps, Batheaston. Cda. 
Icones I., fig. 143. 
GENUS 147. SEPTONEMA Cda.{ 
Flocci tomiparous, moniliform, composed of multiseptate spores, 
1. Septonema elongatispora Preuss in Sturm’s Deutschlands 
Flora III. VI., 72 t 36. On nettle stems, Batheaston. 
2,—Septonema concentricum B. and Br. MSS. Rabenhorst Fun : 
Europe. exsicci: No. 777. On larch chips, &c., Batheaston. 
Septonema septatum Bon. Two out of four species described 
as British by Mr. Cooke. 
: GENUS 148. SPOROSCHISMA B. and Br§ 
Flocci erect, simple. Outer membrane tough, inarticulate. 
Endochrome at length emergent, breaking up into quadriseptate. 
spores. 
1.—Sporoschisma mirabile B and Br. AN.H, No. 467. On 
decaying wood Batheaston. 
* Helicosporium, from helix a spire and sporos. 
{ Bispora, from bis double and sporos. 
zs { Septonema, from septum a partition and nema a thread. 
t § Sporoschisma, from sporos, and schizo, to split. 
