22* FUNGI, 



62. Thamnomyces. * Pseudoperitkecia subrotund, formed 

 from and supported by the shrubby stroma, furnished in the 

 centre with a mass of free sporidia. p. 284. (sp. 1.) 



63. DoTHiDEA. Nuclei contained in the ceils of a common 

 stroma ; perithecia obsolete. Asci erect, subpersistent. p. 285. 

 (sp. 16.) 



64. AsTEROMA. Cells very small, slightly prominent, close, 

 subconfluent, seated on more or less distinct radiating fibrillae. 

 p. 288. (sp. 4.) 



65. Rhytisma. Perithecia of no regular form, bursting with 

 a more or less flexuous fissure into transverse fragments. Asci 

 erect, p. 289. (sp. 7.) 



QQ. Phacidium. Perithecia orbicular, bursting from the 

 centre towards the circumference in many lacinise. p. 291. (sp. 9.) 



67. Hysterium. Perithecia elliptic or elongated, bursting by 

 a simple longitudinal fissure, p. 293. (sp. 14.) 



^ 68. ExciPULA. Perithecia horny, at length opening by an 

 entire orbicular aperture ; disc soft, subdeliquescent. p. 296. 

 (sp. 2.) 



69. AcTiNOTHYRiUM. Perithecia innate, scutiform, radiato- 

 fibrous, covering the fusiform sporidia. p. 296. (sp. 1.) 



70. Prosthemium. Perithecia. innate, orbicular, very much 

 depressed, containing an entangled mass of cylindrical, articulated 



filaments; to which are attached, two or three together, in radiat- 

 ing fascicles, the fusiform septate sporidia. p. 297. (sp. 1.) 



71. Leptostroma. Perithecia innate, subumbonate in the 

 centre, dimidiate at length falling ofi^ and leaving a very thin 

 disc. p. 297. (sp. 3.) 



Tribe III. Trichospermi. Peridiwn simple or double, burst- 

 ing when full grown and pouring forth abundant naked dust-like 

 sporidia. Sporidia rather large, subglobose, collected more or less 

 in the centre of the peridium, loose or ijiterwoven more or less with 

 fiocci. Texture vesiculose. 



* Trichogastres. At first jkshy. 



72. Batarrea. Receptacle bursting forth from a volva, 

 stipitate, pileate, the upper surface villoso-pulverulent. p. 298. 



(^p-i-) , ,. . . 



73. Geaster. Peridium double, outer distmct persistent, 

 splitting into star-like expanding rays. p. 299. (sp. 8.) 



* In the text the word pseudoperidia is used, but perhaps the term grven 

 aboTe is more correct. 



