EVOLUTI 295 



XXX. DiDYMiuM Schrad: 110 v: pl: gen: p. 26. = Fries 

 syst: myc: III. p. ii3. = Duby bot: gall: p. 858. 

 == Didymii, Didermatis, Oyonii, Physari spec: non- 

 nuUae quorund: ( Inter Lycoperdaceas Trichiaceas 

 Duby). 



)) Perid: determinatum globosum aut irregulare du- 



) plex utrumque membranoso-crustaceum rumpens j 



. ) externum subinde squamulosum. Flocci versus ba- 



) sim adnati. Sporidia agglomerata. Columella pro^ 



) minens aut nulla. » 



Obs: Genus constans 9- 10. stirpibus, quarum varias 

 pro genere obscurse. 



% \, D. ^lobosum = Link: diss: II. tz: Duby 1. c. 

 = Sub Didej^matc Pers: disp: t. 4« f- 4* ^* Fries 1. c. 

 j. 106. Sub Cjonio Spr: syst: IV. 629. (Ad folia de- 

 J3cta. Sabaud: Huguen: in litt:). Gregarium globoso- 

 bemispbaericum sessile Iseve , peridium externum ci- 

 nireo-rufescens internum nigricans, columella magna, 

 sporulse globosse nigricantes. 



% 1. D. ochraceum = Nob: = Sub Diderniate Hoffm: 

 crjpt: germ: f. 9. Spr: 1. c 5^6. = D. conglomera-' 

 tum Fries 1. c. p. iii. (Ad muscos. Sabaud: Huguen: 

 in jitt:). Globosum sessile, peridium externum ochra-' 

 e^um interius pallidum , sporulse nigrse. Columella ? 

 Species dubia. 



