592 Phseozoosporinae, Phaeocapsacepe, Phoeocystis. 



FGLCEOTHAMNION Cienk. [1880] Bericht ein. Excurs. z. Weissen Meere 

 (idioniate rossico!) (Etym. gloios gelatinosus et thamnos frutex), 

 De Toni Syst. Uebers. Eucoid. 1891, p. 182, non Gloiothamnion 

 Reinb. — Tliallus adultus chroolepideus, epiphyticus; contentus 

 cellularum flavescenti-brunneus ; cellulas ampliores, hyalino-tuni- 

 catae hinc inde in fllamentis praBsentes. 



Obs. Genus hoc ad Ectocarpaceas dubie trahit clarus phyco- 

 logus Kjellman. Cfr. Alg. of Arctic Sea p. 285. 



1. Gloeothamnion palmelioides Cienk. 1. c. flg. 12-18! (et f. 19?), io35 

 Kjellm. Alg. of Arctic Sea p. 285. — Characteres generis. 



Hab. in mari Albo (Cienkowski). — An formoe differentium ge- 

 nerum confusae? 



PULVINARIA Rcinh. [1885] Mater. zur Morph. und Syst. Alg. Schwarz. 

 Meer. (rossice), p. 39 (Etym. pulvinus propter colonias rotundato- 

 hemisphericas pulvinatas), De Toni Syst. Uebers. Eucoid. 1891, 

 p. 182. — Cellulas sphajricae vel subsphasricse, phseophoris olivaceo- 

 fuscis quaternis prseditse, in familias ad instar Gloeocapsce conso- 

 ciatse et gelatina in colonias rotundatas vel hemisphoericas pulvi- 

 natas conjuncta3. Propagatio (tan generatio) zoogonidiis (zoosporis 

 Reinh.) ovoideis, ciliis binis lateralibus (sicut in aliis Phseozoospo- 

 reis dispositis) et phasophoro unico instructis. 



1. Pulvinaria algicola Reinh. 1. c. p. 39, t. 2, f. 1-8. — Characteres i036 

 iidem ac generis. 



Hab. ad varias algas prope Sebastopolim in mari Nigro 

 (Reinhard). — Coloniarum diam. 1-2 mm.; diam. cellularum cir- 

 citer 9,5-10 f/.; zoogonidia circ. 6 « 4,3. An huc Gloiocapsce sp. in- 

 nominata Cienk. Bericht iiber die Excursion zum Weissen Meer. 

 1880, t. 1, f. 6. 



PH/EOCYSTIS Lagerh. [1893] in Botaniska Notiser 1893, p. 32-33 

 (Etym. pliaios brunneus et cystis vesica), Tetrasporni sp. Hariot, 

 Derb. et Sol., A. Br. — Thallus sa^pius bullosus, globosus, flave- 

 scens; cellulae plerumque quaternatim dispositas, phaeophoris instru- 

 ctse; zoogonidia (zoosporse) divisione contontus cellularis succeda- 

 nea orta, subpyriformia, ciliis typice Pluuozoosporearum. 



Obs. Genus Phceocystis, saltem e doscriptione iconibusquo, mihi 

 videtur Pulvinarice Reinh. peraffinc, nisi idem; attamen nullis spc- 



