184 



tissime connexis , cytioplasmate dilute aerugineo homogeneo ; cellulis 

 perdurantibus passim interjectis, diametro subduplo longioribus; sporis 

 sphaericis singulis. v. v. 



Diam. artic. Ijw^lm" 4 = 0,00012— 0,0001 6", spor. ad l jm'" 

 = 0,0002", diam. transv. cell. perd. V-100— V^so'" = 0,00022— 0,00025". 



b. Forma tenuior, trichomatibus tenuioribus , V<wo — l jcw'" — 

 0,00009—0,00013" crassis, articulis subconfluentibus , ad genicula 

 parum constrictis. 



Hab. in aquis calidis thermarum Carolinarum, Baden - Badensium 

 (lc-gi ipse et van d. Bosch sub No. 1068.), Budensium in Hungaria 

 (A. Grunow); b. in thermis Baden-Badensium. 



A. stagnalis Ktz. (Phycol. gener. p. 210 N. 4. Nostoc flos 

 aquae? Ktz. Actien 1836!). A. thallo mucoso-gelatinoso, dilute aeiu- 

 gineo vel luteolo-aeruginco ; trichomatibus leviter flexuoso - curvatis, sub- 

 aequalibus ; articulis globosis et ellipticis intermixtis, arcte connexis, 

 subtiliter granulatis ; cellulis perdurantibus rarioribus ellipticis , articu- 

 lorum diametro subtriplo majoribus ; sporis sphaericis aureo-fuscis, artic. 

 diam. duplo majoribus, absque ordine interjectis. v. v. 



Diam. artic. 7s70 — 7W" = 0,0001 — 0,00018", sporarum ^322 

 —1/285"' = 0,00027—0,00031". 



Hab. in fossis, turfae fodinis, lacuum ripis aliisque similibus locis 

 Ttaliae ; Galliae, Belgiae (pr. Termonde : Westendorp) _,■ Germaniae fRatze- 

 burger See : R. Haecker, prope Danzig: Dr. Klinsmann, ad Wittenberge 

 legi ipse) ; Austriae (pr. Berndorf ad Viennam et Erlaf See prope Maria- 

 zell: A. Grunow.). 



A. endogena Rdbenh. A. trichomatibus flexuoso-curvatis, maxime 

 implicatis; articulis subglobosis vel anguloso - globosis , arcte connexis, 

 distincte granulatis ; cellulis perdurantibus homogeneis achrois reliquis 

 duplo majoribus; sporis sphaericis turbatis granulatis subconcoloribus. v. v. 



Diam. artic. Vooo— VW/" = 0,00009—0,00012", spor. '/sia"' = 

 0,00017". 



Hab. intra thallum Spermosirearum et Rivulariacearum quarundam. 



Formam similem , forsan eandem in consortio Sphaerozygae laxae 

 invenit cl. A. Braun. 



f f Formae tenuiores. 

 A. subtilissima Ktz. (Phycol. gener. p. 210. N. 9. Palmella ef- 

 fusa Ktz. in Linnaea 1833. p. 375. N. 1.). A. trichomatibus solitariis 

 vel in stratum indeterminatum viride ac molle congregatis ; articulis 



