liv ORDINUM GENERUMQUE 



OO ( Sporidia sparsa externa. . , ngo 



1 lOO- I Sporidia externa uulla. ._. Ii97 



al Filamenta continua "90 

 J j Filamenta septata Dacttlium ( p. gSo ). 



nn I ^P"'"''^'^ globosa iigi 



1 J CJU- j SpQri jja non globosa i ig^ 



j Filnm. decumbentia Racodium ( p. 928). 



y ' ( Filani. erecta 1192 



j Sporîdia circa filamentorum bases in globes collecta.. Conoplea. (p. 929). 

 J. J-y-^' I Sporidia vagè inspersa iigS. 



'T i Sporidia simplicia Chloridium (p. 927 ). 



y ( Sporidia septata Helmisporium ( p. 929). 



/ I Sporidia spiraliter involuta Helicosporium ( p. 929 ). 



ij I Sporidia non involuta ngS 



r J Sporidia septata .Helmisporium (p. 929 ). 



y { Sporidia simplicia .' 1 196 



1 1 r\(-\ I Sp"'"''!'* longissima cylindrica incurva Camptosporium ( p. 928 ). 



Xll^U' j Sporidia fusiformia Circinnotrichum ( p. 928 ). 



( Filam. ramulis extremis septatis 1 198 



y / ' I Filam. non septata ^ ^99 



Q ( Filam. in ramos apposita quorum miaores septati. . . .Ozonium (p. 934). 

 liyO- I Filam. ramulis extremis septatis Ackothamnium (p. 932 ). 



i Filam. medio in pelliculam tenuem condensata Athelia ( p. 932 ). 

 Filam. in pelliculam non condensata 1200 



Filamenta semi-pellucida Byssus ( p. 984 ). 



Filam. opaca laot 



Filam. intertexta , Dematium ( p. gSS ). 



Filam. vis intertexta Himantia ( p. g35 ). 



1200. 

 1201- 



120D 



iPlantœ frondosfc id est in laminam plus minus dilatatam expansœ. . i2o3 

 Planta; filamentosae id est filiformes tubulosœ rariùs solidas 1245 



^rz { Contextus Cbrosns aut vasculari-cellnlosus 1204 



X ^yj^- I Contextus cellularis I2l i 



i Frondes cylindrice aut compressa in ramos ramulosve expansae 5 

 conceptacula terminalia r2o5 

 Frondes compressée aut in laminam expansae ; conceptacula per 

 totam frondem sparsa 1210 



r ( Frondes vesiculis instructœ 1 206 



" I Frondes vesiculis non instructœ j2o8 



t Frondes in ramulos foliiformes divisae Sargassum (p. gSô ). 



1 206" 1 Frondes in ramulos lineares filiformesve divisae aut in ramulos non 



( dilatatse 1207 



i Conceptacula subglobosa apicibus attenuata muLronata aut denti- 



1207' 1 culata Cystosf.ira (p. 936). 



' Conceptacula compressa nec mucronata nec denticulata. Fucus (p. 937). 



( Frondes ramis ramulisque in petiolum angustatis spinulis marginatis 



1208-î Instrnctœ Desmaretia (p. 938). 



' Frondes ramulis sessilibus aut nullis nunquàm spinulosis 1209 



( Frondes cylindricre Furceli-aria (p. 939 ). 



9" I Frondes compressa; aut alatœ. Fucus (p. 937). 



