SPHAEROBOLUS — THELEBOLUS. 27 



Sphaerobolus stellatus. Tode. (fig. 2, p. 20.) 

 Peridium pale yellow, or whitish, tomeutose ; split at the 



apex into several sharp teeth ; peridiolum broadly elliptical ; 



spores elliptic-oblong or obovate. Smooth, colourless, 



10 X 5 ^. 



SphaeroholMS stellatus. Berk., Outl., p. 312, t. 21, f. 2 ; Cke., 



Hdbk. 1202, f. 145; Mass., Mon. Gast., p. 60, f. 55. 



On wood, twigs, &c. Crowded, rarely solitary, at first 



connected by cobweb-like mycelium, about y'^ in. across. 



THELEBOLUS. Tode. (fig. 3, p. 20.) 



Wall of peridium single, peridiolum solitary, protruding 

 from apex of jDeridium. 



Thelebolus, Tode, Meckl., i., p. 41 ; Mass., Mon. Gast., p. 61. 



Distinguished from Sphaerobolus by the peridium consist- 

 ing of a single layer and in the peridiolum not being ejected 

 elastically. 



Thelebolus terrestris. A. & S. (fig. 3, p. 20.) 

 Peridium sessile on a broad base, hemispherical, then 



urceolato-ventricose, yellow ; peridiolum spherical, solitary ; 



s2)ores elliptic-oblong, smooth, colourless, 10-12 x 5-6 /x. 

 Tlieleholus terrestris, Alb. & Schw., Consp. Fung., p. 71, 1. 11, 



f. 4; Cke., Hdbk., n. 1203, f. 146; Mass., Mon. Gast., p. 61, 



f. 57. 



On wood, leaves, or on the ground. Peridia about jV in. 



across, seated on a dense felt-like mycelium often 1-2 in. 



broad and long. 



