Myxopliycese, Chroococcacese, Coelosphterium. 99 



tantuin v. usque 60 (x. diam.), cellulis plano-cordatis plcrumquc 

 8-9 [X. tantum, circ. 4 \).. crassis 10-12 [j,. longis, contentu con- 

 stanter fulve olivaceo viridi (rarius puucto rubescente v. griseo- 

 brunneo prEedito) vel fore liyalino. In paludosis salsis prope Ausitz 

 in Bohemia. 



2. Gomphosphaeria lacustris Cliodat Etudes de biol lac. in IjuII. de 

 rilerb. Doiss. 18'J8, p. 180 c. ic. — Familiis reniformibus sxpe du- 

 plicibus 30 [j.. diam. maximo ; cellulis ellipsoideo-ovalibus, sectione 

 circulari, sub divisione elliptica, deinde medio constricta; divisione 

 longitudinali, pedicellis irregalaribus centro fixis, tegumento gelineo 

 [Bgre conspicuo circumdatis. 



Hab. in flora pelagica lacuum « Aiguebelette, Paladru, Bourget, 

 Annecy, Joux, Neuchatel, Bienne, Morat », Lemani et Verbani et 

 passim in Helvetia et Italia (Chodat, Bachmann, Amberg), Holsatia, 

 Borussia, in lacubus Saxoniae (Lemmermann), in lacu «Vetter» (De 

 ToNi, FoRTi) et passim in lacubus Suecicis (Lemmermann), Scoticis 

 (West), Danicis (Wesenberg-Lundj, in lacu Benaco (Garbini), in 

 lacu « Wakatipu » Novie Selandi[e (Schauinsland). — Var. com- 

 pacta Lemmer. Planktonalg. in Ergebn. ein. Reise n. d. Pacific 

 1899, p. 339: pedicellis brevioribus, cellulis valde aggregatis. In 

 turfosis prope Plon, nec non in paludibus salsis et lacubus Ger- 

 manioe septentrionalis (Lemmermann) sed initio in lacu Wakatipu 

 NoviB Selandiie collecta (Schauinsland). 



Speoies a genere removenda. 



3. Gomphosphaeria? anomala Benn. Freshw. Alg. H, t. 1, est Ccelo- 

 sphcuriiom anomaliun (Benn.) De Toni et Levi. 



C(ELOSPHyERIUM Naegeli [1849] Gatt. einz. Alg. p. 54, Tab. I (Etym. 

 coilos cavus et sphaira sphoera), Rab. Fl. Eur. Alg. II, p. 54, 

 Kirchn. in E. und P. Nat. Pflanzenfam. p. 56, Hansg. Prodr. II, 

 p. 142, Cccloci/siis Naeg. [1849] in Kuetz. Sp. Alg. p. 209. — Stratus 

 globosus, parvus, vesiculiformis, cavus, e cellulis minimis in fa- 

 milias consociatis, peripherice ordinatis et in strato mucoso sim- 

 plici, tegumentis celerrime confluentibus formato nidulantibus com- 

 positus. Cellularum divisio, initio generationis serieriim, in onmem 

 fit directionem, tnm denique alternatim ad utramque directioncm 

 superficiei sphsericre. 



