a/, MONOCRAPHIA NOSTOCHlNEARt'M ITALIOAJIUM ETC. 



Haematococci'S vioi.aceus. ' 



i( n. Strata viohiceo ; vesicuUs maiuscuUs magit ininusve compressi's , 

 >i pelliicidis, iitcludmtibus globulos pancos, hjalinos, violaceos ». Ktz. 



Microcystis violace.v , Kti. Linn. 1. c. n." C. 

 Protococcos vioLACEUS, CoBu.i , Stlrm's Doulsclil. Fl. 



Hal). All uuiros liumidos , Corda. 



Haematococcus frustui.osus , Harvei 



( S|)ecics nomine tanliuii nobis nota ). 

 •> 



Species exclusae: 



Haematococcus sanguineus, Ac. ^ Microcystis sanguinea, Ktz. 



Ihuiiialocoicus roseus, Mgh. = lUosporium roseum , Mart. 



Haematococcus luliginosus, Mgh. =: Ens dubiae naturae. 



Haematococcus salinus, Dun. = Monas Dunalii, Joly. 



Haematococcus uiucosus, Morren. =i Microcystis Morreni. * 



Haematococcus vcsiculosus, Morren. = Coccocliloris ? vesiculosa. * 



CHLOROCOCCmi, Fries. 



Char. Globnli liberi , non mucosi , limbo hyalino cincti , materiem vi- 

 ritlem in granula tandem colla])sam includentes , in accrvulos ir- 

 i-egulares aggi'egati. 



Obs. Genus ab Ilaematococcis colore tantum diversum , a Pleuro- 

 (■orris iirojiagandi ratione apprime distinctissimum , Protococcos virides 

 CI. .Vgardh anipU^ctitur. Pluribus tamcn dubiis adhuc vcxatur ex eo 

 praesertim quod aliarum algarum sponilae , vel spoi'idia , vel et status 

 primordiales , turn et Lichenum gonidia , Muscorum ( ex. gr. Tctraphis 

 pellncida , AInium andiogynum , etc.) ct Hepaticainim (ex. gr. Jungcr- 

 manuia bidcnlala , Trichomancs , graveolcns , nemorosa etc. ) propagula. 



