6 ACOTYLEDONS. FUNGI. Sph(Ena. 



■^■*** Spreading , sphcerules horizontal, at first solitary at the mar- 

 gins, then confluent, not united, ivith a manifest fleshy substance or 

 receptacle ; sometimes distant, hut united by some crust. 



13. S. lata, broadly spreading somewhat rugose opaque, sphae- 

 rules somewhat prominent white within, orifices conical rough. 

 Pers. p. 29. 



Hab. Dead wood about Edinb. Mr. Grev'ille. 



14. S. typhina, subcompound elongate, parasitic on the culms 

 of grasses. Pers. p. 29. Ejusd. Ic. et Descr. Fung. fasc. I. 

 p. 21. t.l . f. 1. Sphceria spicidifera. Sow. t. 21 A ? 



Hab. On the culms of living grasses, about Edinb. Aug. Mr. Gre- 

 ville. On grass, rare, about Glasgow, Hopk. 



Colour white at first and smooth, then orange yellow with the pro- 

 minent sphcerules, which are soft and solid. It precisely accords 

 with Sowerby's -S'. spiculifera, except in wanting the spicules. 



15. S. striceformis, gregarious in short striae attenuated at each 

 extremity quite smooth, sphajrules concealed and without the 

 appearance of orifices. Pers. p. 32. 



Hab. On the dead stems of Pteris aquilina, about Edinb, Feb. Mr. 



Grcville. 

 ■i***if: Sphcerules piercing the receptacle, and collected together into 



a distinct conical mass, the orifices converging towards the middle. 



16. S.Jerrirginea, bursting transversely through the bark black, 

 orifices spinulose straight, sphjerules imbedded within the re- 

 ceptacle in a ferruginous dust. Pers. p. 35. 



Hab. On dead branches of hazel. Sept. Mr. Greville. 



17. S. Prunastri, ventricose, orifices spinulose bursting through 

 the bark 4-sided. Pers. p. 37. 



Hab. On the dead stems of Prunus spinosa. Sept. Mr. Greville. 

 Growing vmder the epidermis, and bursting it transversely. 



18. S. iiivea, conical, disk farinaceous whitish, orifices prominent 

 papillose. Pers, p. 38. 



Hab. On dry oak branches, about Edinb. Aug. Mr. Greville. 

 Bursting through the epidermis of the bark, small ; at first resembling 

 a white spot. Internally white, 



19. S. corniculaia, much spreading beneath the epidermis black 

 with the orifices resembling spicules thickish rounded un)bili- 

 cate at the top. Pers. p. 40 ? 



Hab. On decayed stems, about Edinb. Aug. Mr. Greville. 



****** Sphcerules collected into a circle, decumbent, naked, beneath 

 the epidermis ; orifices approximate, generally protruded. 



20. S. faginea, circular, orifices hooked rough. Pers. p. 44 } 

 Hab. On decayed stems, about Edinb, Aug. Mr. Greville. 



******* Bursting through the epidermis in small roundish clusters. 

 Sphcerules Jree, fixed on a receptacle. 



21. S. decolorans, clustered vermilion colour becoming paler. 



