29 



«ENUS 311. CAPNODIUM.* Mont. 

 Parasitic, Mycelium creeping, black, consisting of branched, 

 articulated, even or monliform threads. Perithecia elongated, 

 frequently branched, composed of confluent threads, the tips of 

 which are often free. 

 Capnodium elongatum ^. and Desm. On pear leaves, common. 



C sphsericum Gke. Leigh Wood, February, 1878. C. 



Eucknall. 



ORDER 27. PERISPORIACEI. 

 Perithecia subglobose, always closed, except in decay, mostly 

 membranaceous. Nucleus never diffluent. 



GENUS 312. PERISPORIUM.t Fr. 



Peridium subglobose, without any manifest thallus or append- 

 ages. Asci clavate. Spores indefinite. 



Perisporium vulgare Cda. Batheaston, on old rope, November, 

 1864. 



GENUS 313. LASIOBOTRYS.i Kye. 

 Erumpent. Central peridium between fleshy and horny, pro- 

 liferous, collapsing above, attached to radiating fibres. Secondary 

 peridia ascigerous. Asci cylindrical. 



GENUS 314. sph:«;rotheca.§ Uv. 

 Mycelium arachnoid. Perithecia globose, containing a single 

 globose ascus. Appendages numerous, floccose. 

 Sphaerotheca pannosa Uv. On the leaves and shoots of roaes, 



very common. 

 S castagnei Uv. On hops. 



* Cajmodium, from capnodes, smoky. 



t Perisporium, from peri, around, aud sporos, a seed. 



J Lasiobotrys, from lasios, hairy, and botnis, a bunch of grapes. 



§ Sphaerotheca, fromsphaira, a globe, and theke, a receptacle. 



