PROPOLIS. 373 



In Propolis there is a thin subhy menial tissue, but in 

 Schmitzomia and Stictis this is all but obsolete. 



Inhabiting dead bark, wood, herbaceous steins, etc. 



Name From the typical genus. 



ARRANGEMENT OF THE GENERA. 



I. Propolis. Fries. 



III. Stictis. Fries. 



II. Schmitzomia. Fries. 



KEY TO THE GENERA. 



Hymenium immersed, waxy, plaue ; sporidia oblong 



or elliptic Propolis. 



Hymenium deeply immersed ; sporidia elongate- 

 filiform . . ' Schmitzomia. 



Hymenium deeply immersed ; sporidia not filiform Stictis. 



GENUS I. PROPOLIS. Fries, " Elench.," p. 372. 



Hymenium irregular, immersed, waxy, plane, sur- 

 rounded by an accessory margin ; excipulum indistinct 

 or absent ; asci cylindraceo-clavate ; sporidia 4 or 8, 

 oblong or oblong-elliptic ; paraphyses filiform, adherent. 

 (Plate XL fig. 73.) 



Excipuluin membranaceous, immersed, adnate to the 

 matrix, at length erurnpent, and splitting in a stellate 

 manner, the matrix often forming a second margin. The 

 subhymenial tissue is more developed than in the two 

 succeeding genera, and the hymenium is plane or con- 

 cave, rarely if ever urceolate ; asci clavate ; sporidia 

 elliptic or oblong-elliptic. 



On dead wood and bark. 



Name Propolis, bee-glue, which the hymenium is 

 like. 



ARRANGEMENT OF THE SPECIES. 



A. Sporidia elliptic . . . . . . . . species 1 



B. Sporidia oblong . . . . . . . . 



c. Sporidia fusiform . . . . . . . . 5 



D. Sporidia cylindrical . . . . . . . . 6, 7 



KEY TO THE SPECIES. 



Hymenium black . . . . . . . . pyri. 



Hymenium greyish-green . . . . . . . . angulosa. 



Hymenium reddish; margin golden-yellow .. chrysopliasa. 



