266 Confervoifloje, Cladophora.ce{e, Cliaitomorpha 



species ex parte auct., Chloronilon Gaill., Annulina Bory ex parte. 

 — Filamenta articulata, simplicia, subacquicrassa, basi callo sub- 

 disciformi vel radiciformi-partito atfixa; cellulfc (articuli) inferiores 

 semper breves, ante divisionem diametro sequales vel sesquilongio- 

 res, post divisionem factam diametro breviores, cellulae superiores 

 plus minus elongatae, omnes multinucleatae. Membrana crassa, firma, 

 subcartilaginea, manifesto lamellosa (e stratis nonnullis vel plu- 

 ribus formata); piasma viride retate provecta parietale, continuura, 

 subtiliter granulosum, globulos amylaceos sparsos involvens. 

 Propagatio zoogonidiis. 



Obs. Alg;e raarinae, nonnullae in aquis subraariais passim, non- 

 nullae etiam in aqua dulci occurrunt. 



Sectio i. Euch-Etomorpha: Species halophilse. 



1. Chaetomorpha tortuosa (Dillw.) Kuetz. Sp. p. 376, Tab. Phjc. III, 638 

 t. 51, f. 2, Hauck Meeresalgen p. 4.39, Ardiss. Phyc, Medit. II, 



p. 209, Conferva tortuosa Dillw. Brit. Conf. t. 46, Ag. Syst. p. 98, 

 J. Ag. Alg. Med. p. 12, Rhizoclonium capillare Kuetz. in Bot. 

 Zeit. 1847, p, 166, Chcviomorpha Callithrix Kuetz. Sp. p. 376, Tab. 

 Phyc. III, t. 51 f, 1, Chcct. mediterranea Kuetz. Sp. p. 381, Spon- 

 gopsis inediterranea Kuetz. Phyc. gener. p. 261, Sp. p. 381, Tab, 

 Phyc. III, t. 50, f. 2, Ch(vtomo7^pha ligustica Kuetz. Sp. p. 376, 

 Tab. Phyc. III, t. 52, f. 2, Conf. ligustica Kuetz. Pliyc. gener. 

 p. 259. — Filaraentis plerumque epiphyticis, subinde saxicolis, elon- 

 gatis, circ. 1 dm. longis, rigidulis, crispatis, insimul dense irapli- 

 gatis, 40-80 vel 50-100 a, latis; articulis l--2-pIo latitudine lon- 

 gioribus, hinc illinc etiam brevioribus. 



Hab. in mari mediterraneo imprimis ad oras Galiias prope Mas- 

 siliam et ad oras maris ligustici frequenter, in mari tyrrheno ad 

 (( Livorno » (Kuetzing) et ad oras Sicilife (Ardissone), in mari adria* 

 tico ad oras Istriao (IIauck) et Dalinatia:! (Kuetzing), in mari atlan- 

 tico ad Maderara (Grunow) et Barbadara (Dick.ie) ; ad oras Araer. 

 bor. e. gr, pr. ((Halifax» (EIarvey), Maine (A. Young), Massachussets 

 (PiKE, Harvey), ((Newburg Post» (Hooper) et ins. Unalaschkain 

 (Wosnessensky) in mari rubro (Piccone), — Chivtomorpha con- 

 fervicola Rupr. ad (Jhcctomorpham Melagonium vigens, ex Una- 

 laschka vix"ab hac specie distincta. 



2. Chaetomorpha ? breviarticulata Hauck Die Meeresalgen Deut- 6S9; 

 schland's etc. p. 440, Notarisia 1886, p. 18, n. 19, (Jhcet. implexa 

 Kuetz. Sp. Alg. p. 376, Tab. Phyc. III, tab. 51.? — Filamentis 



