— 2 — 



rima simpl. v. ramosa, fmstulalim , poro v. ostiolo apertuiii 

 V. ciicumscissum , spliDericum, lageniforme, compressum v, 

 depressum , elongato - ereclum v. prostratum , quibusdara 

 flexuosum, ramosum, dimidiato-superum, v. millum (nucleo 

 tunc 1- 00 -loculari), coloris varii ssepius nigri, Nucleus s^oT' 

 angio inclusus v. subnudus, gelatinosus v. flrmulus, ascis 

 sporophoris, v. sporis nudis, passim pedicellatis , farctus, 

 demum deliquescens v. pulveraceus et serius v. ocyus eva- 

 cuandus v. forma glebulae aut cirrhi prosiliens, mox indura- 

 lus et fatiscens; sporae simpl. v. compositae. — Familiae 4, 

 genera 70.^ species ultra 2,000, denuo scrutandae : 



FAM. 1, SPHiERONEM ACEii: Cor(la<!. 



Thallus et hypolhallus saepe inconspicui. Sporangia 

 globosa , lageniformia v. scutata, acropora -<J. Nucleus gela- 

 tinosus, sporas glomeratas, simpl. -< dein erumpentes, fovens: 

 Depazea? Coniothjrium^ Phoma , Leptothjrium , Strigula, 

 Actinothjrium , Apiosporium ^ Microthecium ^ Dilophosp)ora^ 

 Septoria, Acrospermum, Sphaeromma ^ Polystigma, CeutJiO' 

 spora. . . . 



FAM. 2. PROSTHEMIACEiE nob. 



Thallus minus conspicuus. Sporangium poro , rima , 

 stellatim dehiscens , cupulare v. kionophorum. Sporae simpl. 

 V. compositae, pedicellatae, pedicellis (basidiis) in hymenium 

 periphericum v. discoideum confertis : 



a. Melanconieae: nucleus kionophorus <^; sporae sim- 

 phces pedicenatae : Sphaeropsis, Cryptosporium , Nemaspora , 

 Piptostromum^ Melanconium, Stegonosporium. 



b. Prosthemieae: Sporang. corneum, asteroschizum <i; 

 pedicelli sporis compositis, soUtar. v. verticillatis: Sporocadus, 

 Pestalozzia, Prosthemium. 



c. Excipuleae: sporang. plerumque regmoschizum v. 

 cupulare; nucleus discoid.; sporae simpl. saepius fusiformes : 



