U I v a c e ae, xxxr 



Familia facile dignoscencla & naturalis, 

 a Florideis membranaoeis (Hcilijnicnid , Deles- 

 seria) clistincta froude inulto teiuiiore , &: fru- 

 ctu tain tenui, ut non supra membranam ele- 

 vetnr. 



58. VAUCHERIA. Fit a inordinate nggregata, 

 tiibutosa continual mt'mbrana hyalina puivere grot- 

 nuloso viridi intus colorata. Fructus coniocystce 

 homogenece. 



5g. CODTUM. Frons spongiosa determinates 

 fornice , e filis densissime aggregatis , tubuiosis 

 continuis pitlvere grcimdoso viridi colorcitis com- 

 posita Fructus coniocysice ad superficiem fron- 

 dis fastigiatce. 



60. BRYOPMS. Fila tubulosa contiuua nitl- 

 da, raniis pennatis vet imbricatis , humor p viridi 

 incluso colo ~ata. 



61. ALYSIUM. Frons cava articulaio-stran- 

 gulata, e membrana reticulata constituta, areolis 

 pentagonis. 



62. VALONIA. Frons saccatar et simplicius- 



cula, vel cylindrical ct verticitlatim ramosa, mein- 

 brana hyalina puivere viriai intus consperso colo- 

 rat a, fibris nit I Us conspicuis per cur sa. Fructus 

 coniocijstce aggregates, frondem extus cooperi- 

 entes. 



63. CAULERPA. Frons stipitata, varice for- 

 ma (pinnata, vel plane., vel ramentis brevissimis 

 imbricatis) membranacea, e surculo repente 

 tilagineo proveniens. 



Genus naturale, licet fructus ignotus. 



