Myxopliycete. Cliroococcacece, Chroothece. 29 



roseo-persicina (Kuetz.) Schroct. dc qua specic, Schizomycetaceis 

 adscripta, cfr. Sacc. Syll. Fung. YIII, p. 1038. 

 V2. Synechococcus roseo-purpureus G. S. West Alga-flora of Cam- 64 

 bridgesh. iii Jourii. of Botany 1899, pag. 35, tab. 394, fig. 10. — 

 Cellulis ininutis, singulis vel geniinis, oblongis et subcylindricis, 

 polis obtuso-rotundatis 3,G-(3 jj-. latis, diam. sesquilongioribus; 

 contentu roseo-purpurco cum paucis granulis conspicuis. 



Hah. socia Mougeotioi sp. ad « Wicken Fen, Cambridgesh. » 

 Anglite (G. S. West). 



Species mihi plane ignotse. 



13. Synechococcus maximus Eichler in Simm. et Schmidle IV. Rer. 65 

 zur Krypt. von Kaernten in Allg. bot. Zeit. 1901, p. 5 (nomen). 



Ilab. in Carinthia [Carantania] (Simmer). 



14. Synechococcus rupestris Richt. apud Royers in Jahrsb. dcs Na- 66 

 turw. Yer. in Elberfeld 1808, p. 91 (nomen). 



Hab. ad « Elbcrfeld » Germanire (Royers). 



CHROOTHECE Hansg. [1888] Bemerk. zur System. tab. 1, Beitr. zur 

 Kenntn. dcr Gallertbildungen einigcr Spaltalgen, in Bot. Centr. 1888, 

 11. 30 CEtym. chroos color et thece theca), Wittr. et Nords. exs. n. G96, 

 Hansg. Prodr. II, p. 133 et 134, Botaniska Notiser 1884, p. 128. 

 — CellulsB cylindricte vel oblongo-conicie, utroque fine rotundatte, 

 singulae vel gemina', membrana crassa, hyalina, stratum subgela- 

 tinosum fusco-Iuteum formantes. Conteutus cellularum pulchre a^ru- 

 gineus vel aurantiaco-Iuteus, distincte granulatus '). Divisio cellu- 

 larum in unam directionem fit. Sponc ignotae. 



1. Chroothece Richteriana Hansg. Bot. Notis. 1884, p. 128, Beitr. 67 

 zur Ivenntn. etc. p. 7, f, 1, Prodr. II, p. 134, in Wittr. et Nordst. 

 exs. n. G9G! 1098! in Hauck et Richt. Phyk. Univ. n. 1441 Farlow 



') Protoplasma centrale grannlis oleosis confertum et nucleum includens 

 seepe faciem stellatam a cl. Hansgirg ut chromatophorum descriptam verisimlllime 

 fingit. Nos tamen nomeu chromatophori in diagnosibus Hansgirgianis servabi- 

 mus. Hoc genus Glaucophyceis affinitatem offert seu structura, protoplasmatis 

 seu evidenticl nuclei, seepe, ut in Asterocytide, protoplasmate granuloso stel- 

 latim disposito circumdati suadente etiam cl. Wille (Cfr. Brandt, Nordisches 

 Plankton, Scliizophyceen; p. XX, 1). 



