HELOTIUM. 251 



minutely downy at the very base ; asci clavate, apex slightly 

 narrowed, slenderly stipitate, 8-spored ; spores irregularly 

 biseriate, fusiform or thickened at the apex and becoming 

 clavato-fusiform, sometimes slightly curved, smooth, con- 

 tinuous, hyaline, often guttulate, 24-2S X 5 fi ; paraphyses 

 numerous, filiform, apex slenderly clavate and brown. 



Hymenoscypha Carmichaelii, Phil., Grev., v. 19, p. 106. 



Phialea Carmichaelii, Sacc, Syll., Suppl. x., n. 4499. 



On decayed wood. 



Type specimen examined. 



The colour given is that of the dried specimen, and may 

 require modification when fresh material is examined. 



Helotium emergens. Mass. (figs. 26-29, p. 156.) 



Scattered or fasciculate, stipitate, hemispherical then 

 ex]3anding, becoming slightly funnel-shaped or almost plane, 

 1*5 mm. across; disc ochraceous, externally paler and 

 glabrous; excipulum minutely parenchymatous, the cells 

 running out at the margin into densely packed, parallel, 

 septate, hyphae ; asci narrowly clavate, apex narrowed, base 

 attenuated into a long, slender pedicel, 8-spored ; spores 

 irregularly biseriate, smooth, hyaline, continuous, bluntly 

 fusiform, straight or slightly curved, 10-14x1 '5-2 //, ; 

 paraphyses filiform, about 1 * 5 /x thick, hyaline. 



Hymenoscypha emergens, Cke. & Phil., Brit. Disc, p. 139. 



Phialea emergens, Sacc, Syll., viii. n. 1108. 



On branches, growing on the bark, or emerging through 

 cracks. 



Type specimen examined. 



The colour is described from the dried specimen, and may 

 not agree in all points with fresh specimens. 



Phillips says the specimens emerge from beneath the 

 bark, and this is true of some individuals, but many others 

 are seated on the bark, &c, far away from cracks and 

 chinks. 



Helotium aquaticum. Currey, Linn. Trans., voL 

 xxiv. p. 154, t. 25, fig. 19. 



Ascophore stipitate, very little broader than the apex of 

 the slender stem, concave, becoming plane or convex, about 



