Myxophyceae, Cliroococcacese, Gloeocapsa. 51 



Freshw. Alg. p. 3ir). — Strato aiuorpho, subcrasso, uuujoso, pallide 

 luteo, subviresceute; cellulis sph;ericis vel subsphiericis, 4-10 ]j.. cuui 

 teg., 2-5 [j.. sine teguuientis crassis, SLepius singulis vel biconiugatis 

 iu fauiillas 13-28 {j-. latas, tegumento lamelloso, achromatico, la- 

 mellis uonuuuquam diffluentibus externis, contentu subopaco, ho- 

 mogeneo vel subtiliter granulato, pallide ;erugineo. 



Hab. in terra turfosa et in muscis Germaniae (Kuetzing, Ra- 

 BENHORST, KiRCHNEB, RiCHTEB, Romer), Helvetise (Stizenbebger), 

 Bohemice (Hansgirg), Italise (Trevisan), Bosnice (Protic), Carin- 

 thiie (Schmidle), Anglire (West). — Var. flavo-aurantia Kuetz. Spec. 

 p. 218, Desmaz. Crypt. de Fr. ed. H, n. 1656: strato flcavo-auran- 

 tiaco, ceterum ut in forma typica. In muris humidis Galli;e (Til- 

 LETTE DE Clermont, Desmazieres), Austriie (Beckj, in lacu Benaco 

 prope Torbole, Italiae (Kirchner) et in rnontibus Euganeis (Mene- 

 ghini). — Var. caldarli Suring. Obs. phyc. p. 54, t. IV E, Kirch. 

 Alg. Schles p, 257, Hansg. Prodr. II, p. 153, Glaiocapsa caldario- 

 rum Rab. FI. Eur. Alg. II, p. 37, Cooke Brit. Fresh. Alg. p. 206: 

 celhilis plerumque solitariis 19-39 ji. cum teg., 3-6 [i.. sine tegu- 

 mento crassis; cetera ut in typo. In parietibus, vasis, vitris cal- 

 dariorum Dresdse et Teplitz (Rabenhorst), Turici (Rabenhorst, 

 Hepp), Leiden (Suringar); passim in Bohemia (Hansgirg), Anglia 

 (West, Cooke), Italia in horto botanico romano (Martel), «Natioual 

 Park» Amer. l)or. (Tilden). 

 47. Gloeocapsa polydermatica Kuetz. Tab. Phyc. I, t. 20, Sp. Alg. ^^3 

 p. 218, Kirch. Alg. Schles. p. 259, Cooke Brit. Fresh. Alg p. 206, 

 Tab. LXXXIII, f. 7, Rabenh. Alg. sub n. 173, Protococcus ru- 

 pestris Corda in Sturm D. FI.?, Microcystis riipestris Kuetz. in 

 Linna^i VIII, p. 374?, Menegh. Nostoch. p, 72, t. IX, f. 1, Hojma- 

 tococcus rupestris Hassall Freshw. Alg. p. 326, t. 82, f. 1, Bi- 

 chatia rupestris Trev. Alghe Coccot. p. 62-63. — Strato gelatinoso, 

 plus minus compacto, sordide viridi vel olivaceo-fuscescente; cel- 

 lulis minimis, 3-4,5 [x. crassis, sphcTricis, tegumentis crassissimis, 

 hyaliuis, lamellosis, laraellis numerosis, concentricis, firmis, con- 

 tentu serugineo-viridi, subhomogenco. 



Hab. m rupibus humidis frequens per totum orbem passim; 

 Germaniae (Kuetzing, Kirchner, M. Schmidt), Italia? (Meneghini, 

 Tassi, Trevisan), Austrice (Corda, Beck), Anglia^ (Hassall, Cooke, 

 Bennett, West), Hiberniaj (West), Scotiiie (West), Sardinia3 iu loco 

 subterraneo prope «Caglicari » (Canepa, Gennari, Marcucci, Cavara, 

 PiccoNE, FoRTi), in Ccataracta « delle Marmore » prope Alaterniun 



