de:matiei. 



581 



On dead wood. 



[Low. Carolina.] 



The spire of the spores generally open, but sometimes closed up. The 

 threads also vary m.uch. The British specimens are somewhat doubtfully 

 referred to Corda's species, as a variety. In American specimens the spores 

 accord with Corda's fig., but the threads are differently articulated. 



(Fig. 252.) 



Gen, 218. 



HEI.ICOCORYNE, Corda. 



Flocci erect, septate, simple; 

 spores scattered, lateral, clavate, 4-5 

 septate, attenuated downwards, at 

 first spirally involved, or revolute, 

 ultimatelv incurved. — Corda. Ic. vi. 

 p. 9. " {Fig. 253.) 



1741. Helicocoryne viridis. 



'Corda. " Greenish Helicocoryne." 



Tufts effused, olive-green, deli- 

 cate; flocci simple, olive, hyaline at 

 the apex ; spores large, clavate, 

 ■Corda. Icon. vi./. 38. B. ^' Br. Ann. N.H. 



{Fig. 253.) 



CLADOTRICHUM, Corda. 



Flocci erect, thick, branched, 

 upper joints cup- shaped or in- 

 flated; spores large, septate. — 

 Berk. Outl.p. 345. {Fig. 254.) 



1742. Cladotrichumtxiseptatuin. 



B.^^Br. "Triseptate Cladotrichum." 



Flocci forked, very much 

 branched, articulated, upper ar- 

 ticulations inflated; spores oblong, 

 very obtuse, constricted in the 

 middle, triseptate. — Ann.N.U.no. 

 511,^.5,/. 7. 



On dead stumps. July. King's Cliffe. 



Widely effused, forming a thin black, powdery stratum ; flocci forked and 

 branched, septate from the base ; upper articulations SAvollen in the centre, 

 or above ; spores oblong, extremely obtuse, constricted m the centre, tri- 

 septate, the central septum answering to the line of constriction. (Fig. 254 J 



Fig. 253. 

 colourless, hyaline.- 

 no. 951. 



On dead wood. 



Gen. 219. 



Fig 254 



