ftl 



G. violacea Rabenk. ( io litfc ). 0. thallo tenui mucoso molli 

 l:itr efluso, violaceo - pnrpurascente ; oellulii minimis, lingnlia vel gemi- 

 nis, oblongo • cylindraci vel plua mino eurvulia saepina reni- 



formibus, atroque polo obtuse rotundatis, diametro 5- 6 LO-plo lon- 

 gioribus, pallide a* ramento Bphaerico, amplifsimo distinct< 



lamello 



Diam. transv. 1 /booo — VW" = 0,00001—0,00004", tegumenti 

 a,l > ,77"' = 0,0005". 



Bab. in spelunofl parva pxope Hentone Galliae australifl (Dr. Boett- 

 ch( r), 111 oonsortio Chroococoi tnrgidi. 



G. nigrescens Rabenh. (Krypt. fl. von Sachs. p. 76.). Gh thallo 

 gelatinoso sordide olivaceo - nigrescente ; cellulie flingnlifl, geminia vel 

 (raro) quaternis, oblongis, diametro dnplo triplove longioribufl, tegu- 

 mento achromatico ampliflsimo, cytioplasmate aemgineo - chalybeo. v. v. 



Diam. tranav. cellul. '/700 — V«o"' = 0,00012 -0,00016", tegu 

 menti ' m'" = 0,000! 



Hab. in rupibus humectie Saxoniae. 



G. cystifera (Coccochlorie cystifera Hassall Freshw. Alg. p. 4 41. 

 T. 103. Gloeothece devia Naeg. 1. c. F. 3.). G. cellnlifl oblongo - cylin- 

 draceis , 2 — 4 in familiae consociatis, tegumentis globosifl vel ovalibus, 

 specialibue et universali matricali circumvelatifl , diametro 1 '/2 — 8-plo 

 longioribua, cytioplasmate aerngineo. v. v. 



Diam. transv. ccllul. ] :,:,«'", famil. ad [;«'". 



h) ccllulis interioribus intcrdum Bnbconfluentibus. Grunow in lif. 



Hab. in rapibufl prope Bristol Angliac (Thwaites) a<J Turicum 

 Helvetiae (Nageli), prope Schwarzenberg Saxoniae (Bab*enhorst), ad 

 (!n in, VocklabrLick (<lc Iforl), Trannkirchen et Laugesee (de Heufler) 

 Austriae Buperior. b. pr. Kirchdoxf Austr. supcr. (Sehiedermayr). 



G. granosa Rabenh. (Palmella granosa Betkel. Gleaniage of brit. 

 Alg. II. p. 19. T. V. F. V. liicrocystis granulosa ftfem toch. 



p. 85. Haematococcufl granosufl Has»all. Freshw. Alg. p. 327. T. 81. 

 F. 6. Bichatia granosa Trevis. Saggio p. 64. N. 17G.J. O. thallo 

 Compacto-gelatinoso, subcartilaginco, granuloso, chalybeo-viridi ; cellnlis 

 oblongis, diametro duplo longioribus, plernmque 2 — 4 in familias con 

 flociatis, tegumentis amplissimis, cellulae Lumen multotiefl raperantibus, 

 distincte lamellosis, achromaticia vel flubachromaticis , lamellifl haud 

 raro diffluentibus, cytioplasmate homogeneo vel granoso, pallide coeruleo- 

 viridi. v. s. 



Diam. transv. ccllul. l /i»o — ^in" 4 — 0,00055 — 0,00073", 

 famil. c. tcg. ad \«,'" — 0,0024". 



