STICTIS. 77 



B. Spores 2-seriate, continuous. 



Propolis. Disc elliptical or angular, whitish. 

 Ocellaria. Eruinpent; disc circular, coloured. 



C. Spores 2-seriate, septate. 



Phragmonaevia. Disc exposed by a long slit. 

 Cryptodiscus. Disc irregularly circular. 



D. Spores muriform. 

 Melittosporium. 



STICTIS. Persoon. (figs. 22-26, p. 12.) 



Ascophore immersed, closed above at first by the excipulum, 

 which eventually ruptures and becomes reflexed, forming a 

 more or less regular, white margin ; disc depressed, waxy, 

 circular or elliptical, clear-coloured, usually yellowish ; asci 

 elongated, 8-spored; spores very long and slender — needle- 

 shaped — becoming septate, not breaking up at the septa, 

 hyaline, arranged in a parallel fascicle in the ascus ; 

 paraphyses present. 



Stictis, Persoon, Obs., ii. p. 73 (in part). Sacc, Syll., viii. 

 p. 681. 



Schmitzomia, Fries, Summa Veg. Scand., p. 63, (in part). 



The genus as here understood, is marked by the upper 

 portion of the excipulum forming a white margin round the 

 circular or elliptical disc, and the needle-shaped, septate 

 spores arranged in a parallel fascicle in the ascus. 



Stictis radiata. Pers., Obs. Myc, ii. p. 73; Eehm, 

 Krypt.-Flora, Disc, p. 176; Sacc, Syll., 2795. (figs. 22-26, 

 p. 13.) 



Scattered or gregarious, deeply immersed, closed at first, 

 then opening above, and forming a reflexed, rather broad 

 white border, split at various points ; disc circular, pink or 



