338 FUNGUS-FLORA. 



Trichothecium piriferum, Sacc., Syll., iv. n. 885. 

 Dactylium piriferum, Fries, S. M., iii. p. 413. 

 On dead stems and on the naked ground. 



Trichothecium domesticum. Fries. 

 This species has been recorded as British ; but examina- 

 tion of the specimens show it to be T. roseum. 



CEPHALOTHECIUM. Corda. (fig. 11, p. 358.) 



Sterile hyphae creeping; fertile hyphae erect, simple, 

 septate; conldia oblong or clavate, 1-septate, hyaline, 

 forming somewhat of a head at the tip of the hypha. 



Cephalothecium, Corda, Anl., p. 57 ; Sacc., Syll., iv. p. 180. 



Differs from Trichothecium in the conidia being produced 

 in clusters or heads. 



Cephalothecium candidum. Bon. (fig. 11, p. 358.) 

 Tufts white, effused, or minute and bursting through the 

 epidermis ; fertile hyphae erect ; subfasciculate, not sep- 

 tate, 40-60 x 56 ft; conidia obovate, 1-septate, con- 

 stricted, 12-14 x 8 p, 3-6 springing from the apex of the 

 hypha. 



Cephalothecium candidum, Bonorden, Handbuch, p. 81, f. 89 ; 

 Sacc., Syll., n. 891. 

 On rotten branches. 



AETHROBOTEYS. Corda, (fig. 16, p, 274.) 



Hyphae erect, simple, septate, nodulose; nodes furnished 

 with minute pointed warts spirally arranged, each bearing a 

 single conidium; conidia elliptical or obovate, 1-septate, 

 hyaline or bright and clear in colour. 



Arthrobotrys, Corda, Prachtfl. t. xxi Sacc., Svll. iv 

 p. 181. 



Arthrobotrys rosea. Mass. (fig. 16, p. 274.) 

 Tufts small, downy, pale rose-colour; fertile hyphae erect, 

 simple, sparingly septate, 7-8 p. thick, having 3-5 vesicular 

 inflations at equal distances, swollen nodes, each bearino- a 



