6^4 ▲ L U A k. 



maxima ex parte folula et articulis alterna- 

 tim reKidctis ilcxiiofisquo {e^e offert obferva- 

 tori liacc Coiiferva. Vtrum fingulare hoc 

 phaenomenoji huic fpeciei omni aetate pro- 

 prium fit, an ab undai^um motu continuo et 

 vehementiore oriatur, determinare non au- 

 deo.j 



Ob/erv, III. DifTert a Conferva Mucore i. Colore pal- 

 lide ochraceo ; nec glauco. a. Filamentis 

 paulo majoriLiis, dichotomis , conflanteque 

 lere lege in formara ^ickzack Hexuohs. 5. 

 y^rticuiis prismaticis, fimphcibus, reclis; nec 

 fubincurvia , arachnoideo- pellucidis, proli^! 

 feris. 



;7. CONFERVA pufdia. 



C. filamentis genicnlatis breviffimls gelatinons albis; ra- 

 mls ahf rnis virgatis : geniculis tunuiffimis obfcurisj articulis 

 cyUndricis raaxime pellucidis. 



In rivulis turfods aquam limpidiffirnam ducentibns alias 

 Confervas graminumque tenniorum culmos putrescentes 

 denfe obducit Jiaec planLuU, qiiae ob exi^'uitatera yifum fu- 

 git et mucilaginem albam tenuem tantum refert. 



Filamenta tenuiffima, conferta, ires lineas ad femion- 

 ciam fere longa, gehilinora, ramofifiima , tenuiffima, g©- 

 niculaia, albid^. Jlaini e geniculis alterni, virgali, fupe" 

 rioies approximali, confert : (lenicula annularia, linearia, 

 oblcura, nonuiliil contracta. Articuli exacte cylindrici, ora- 

 niuo pellucidi et cryflallini, membranula lenuiffima in re- 

 centi pi/inia fub forma lineolae tenuiffimae utriaque tantum 

 confpicua conhali. 



In plautula vitro fub aqua curiofe impofila filamenta 

 pluia fibi proxinia exficcatione coeunt, nec feorfim dignos- 

 curitur amplius. In iicco vero ilatu telara arachnoideam 

 lenuKnmam, fericem ad lucem referunt, aquae guttula au- 

 le;u niadefacta recenlem ijabiium fiatira adipi»cuntur. 



Obferv. /, Oculatiffimus Tr ent ep ohl in rivulo turfofo 

 aquam limpidiifnnani rapide ducente aliarum 

 Confervarum parafiticara invemt hanc |Al- 



^ara 



