NEMACYCLUS. 79 



Stictis atro-alba. Sacc, SylL, n. 2189. 



Scattered, immersed, orbicular, about ^ mm. across, at first 

 closed then opening and forming a recurved, narrow, white, 

 almost entire margin that soon breaks away; disc depressed, 

 dark grey or blackish; asci cylindrical, apex rounded, 

 8-spored; spores needle-shaped, apparently permanently 

 continuous, hyaline, arranged in a fascicle, 90-110 x 1*5 /a; 

 parapbyses equal throughout, 1-5 fi thick, hyaline. 



Schmitzomia atro-alba, Phil, and Plow., Brit. Disc, p. 379, 

 pi. xi. fig. 74. 



On clematis branches. 



Authentic specimen from Phillips examined. 



The dark hymenium, narrow, white border, and needle- 

 shaped spores characterise the present species. 



Stictis annulata. Cke. and Phil., Grev., vol. ix. p. 8 ; 

 Sacc, SylL, n. 2801. 



Scattered or gregarious, deeply immersed, at first closed 

 then opening and exposing the ochraceous, waxy disc; 

 margin white, narrow, usually quite entire ; circular, J-f mm. 

 across ; asci narrowly cylindrical, apex thick-walled, slightly 

 narrowed, 8-spored; spores needle-shaped, both ends pointed, 

 nearly as long as the ascus, hyaline, multi-septate, 120-130 

 X 1 ■ 6-2 /J., arranged in a parallel fascicle, rather wavy ; 

 parapbyses numerous, filiform, equal, about 1 ■ 6 fi thick, 

 hyaline. 



Schmitzomia annulata,' Thil., Brit. Disc, p. 379. 



On branches of honeysuckle. 



Type specimen examined. 



A very neat species, readily distinguished by having the 

 snow-white, reflexed narrow margin quite entire and looking 

 like a white ring surrounding the deeply immersed, 

 ochraceous disc. 



NEMACYCLUS. Fckl. (figs. 27-30, p. 12.) 



Ascophore immersed, elliptic- oblong ; disc plane or some- 

 what concave, waxy, pallid, exposed by the formation of an 

 elongated slit in the epidermis which forms two spurious 

 lips, proper margin rudimentary; asci clavate, 8-spored; 



