PROPOLIS. 373 



Tn Propolis there is a thin subhymenial 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. 

 II. Schmitzomia. Fries. 



III. Stictis. 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, " Flench.," 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 XI. fig. 73.) 



Excipulum membranaceous, immersed, adnate to the 

 matrix, at length erumpent, 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 op the Species. 



a. Sporidia elliptic . . . . . . . . species 1 



b. Sporidia oblong . . . . . . . . „ 2-4 



C. Sporidia fusiform . . . . . . . . „ 5 



d. Sporidia cylindrical . . . . . . . . „ 6, 7 



Key to the Species. 



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



Hymenium greyish-greon . . . . . . . . angulosa. 



Hymenium reddish; margin golden-yellow .. chrysophxa. 



