262 FUNGUS-FLOEA. 



rowly egg-shaped, or narrowly piriform, 7-10 x 3-4 //. ; 

 paraphyses hyaline, about 3 //. at the slightly thickened 

 tips. 



Phialea amenti, Sacc., Syll., viii. n. 1060. 



Hymenoscypha amenti, Phil., Brit. Disc., p. 143. 



On dead, fallen catkins of willow. In Germany this 

 species also occurs on catkins of Populus tremula, and Sac- 

 cardo says also on alder catkins. 



Specimens examined in Phil., Elv. Brit., n. 123, and 

 Rehm, Ascom., n. 57. 



Distinguished from allied species by the straight, nar- 

 rowly egg-shaped spores. 



Helotium alniellum. Karst, Symb. Myc. Ferm., 

 p. 239 ; Phil., Brit. Disc., p. 155. 



In clusters of 2-5 or scattered, very shortly stipitate, at 

 first turbinate and closed, then almost or quite plane, often 

 irregular from mutual pressure, discoid when solitary, gla- 

 brous, firm ; whitish, disc sometimes with a tinge of yel- 

 low ; stem very short, slender, sometimes reduced to a 

 central point; cortex parenchymatous, cells irregularly poly- 

 gonal and 6-8 p across near the base, becoming long and 

 very narrow towards the margin ; asci clavate, slightly nar- 

 rowed at the tip, pedicel stout, 8-spored ; spores 2-seriate 

 or sometimes almost obliquely 1 -seriate, hyaline, smooth, 

 continuous, elliptical, ends rather blunt, straight, 6-10 X 

 2 5-3 //, ;. paraphyses slender, hyaline, slightly thickened 

 upwards. 



Phialea alniella, Sacc., Syll., viii. n. 1059 ; Kehm, Krypt.- 

 Flora, Disc., p. 721. 



On fallen catkins of Alnus glutinosus. 



Specimen in Eab., Fung. Eur., n. 1122, examined. 



Distinguished from H. amenti by the spores being elliptical, 

 and not narrowly egg-shaped. 



F. On grasses or sedges. 



Helotium gramineum. Phil., Brit. Disc., p. 155; 

 Sacc., Syll., viii. n. 952. 



Stipitate ; ascophore plane or convex, glabrous, pallid- 

 ochraceous : stem short, rather stout, often slightly attenu- 



