RYPAROBIUS. 



299 



size of tlie receptacle and the colourless and numerous 

 sporidia. 



Name pvirapoz, dirty, /3'oe, life ; living on dung. 



ARRANGEMENT OF THE SPECIES. 



A. Exteiior of cup smooth. 



(a) Margin not ciliated . . 

 (&) Margin ciliatt d 



B. Exterior hairy 



species 1-2 



3-5 



6-8 



KEY TO THE SPECIES. 



Exterior fulvous 



Exterior wl die 

 1 (Sporidia elliptic 

 ' (Sporidia fusiform 



Margin fringed ; sporidia 16-21 

 2. ~~ 



Margin ciliated; sporidia 12S 

 Margin not ciliated . . 

 g (Exterior hairy ; sporidia 61 . 

 ' \Hairs on margin only 



Hairs short, irregular; sporidia 61-90 



4. 



Cookei. 



I 



2 



3 



parvisporus. 



subhirtus. 



'ilUS. 



Woolhopensie. 

 4 



Levielleanus. 

 Crouani. 



Hairs short, rough ; sporidia 32 

 Hairs soft; sporidia 01; cups globose, then ap- 

 plauate .. .. .. .. .. .. arrjenteus. 



A. EXTERIOR OF OUP SMOOTH. 



(a) Margin not ciliated. 



1. Ryparobius Cookei. (Crouan.) 



Very much crowded, rarely scattered, extremely 

 minute, hemispherical, glabrous, fulvous, paler at the 

 base ; margin irregularly paler ; hymenium plane, whitish 

 or pallid-fulvous, papillate from the exserted asci; sporidia 

 64, oblong-elliptic, hyaline, scarcely acute, 8 10 4 5ju; 

 paraphyses scarce, hyaline, septate, scarcely thickened at 

 the apices. (Plate IX. fig. 57.) 



Ascobolus Cookei Crouan, "Flo. Finn.," p. 56, fig. 3; 

 Cooke, " Grevillea," i. p. 132. Ryparobius Cookei Boud., 

 " Ascob.," p. 48, t. 9, f. 24. Ascobolus myriadeus Karst., 

 "Fung. Fenn.," exs. No. 552. Ascobolus polysporus 

 Auers. in " Hedwig.," 1868, p. 51. Ascobolus crustaceus 

 -FckL, "Symb. Myco," p. 288; Karst., " Mon. Fez.," 

 p. 208 ; Pezlzula Crustacea Karst., " Myco. Fenn.," p. 81. 



