24 Myxoph3'cefe, Chroococeacepe, Chi-oococcus. 



Hah. in locis humidis, ripis, lapidibus atque lignis inundatis 

 vel humidis Europib centralis (Kuetzing, Rabenhorst), Helvetioe 

 (Naeg.), Bohemia3 (Hansgirg), Hungarine (Istvanffi), in lacu Balaton 

 (ISTVANFFi), Bosnife et Hercegovina3 (Gutwinski, Protic), Austrise 

 in aqua potabili ad Briinn (Rzeiiak) et passini (Schiedermayr, 

 Beck), in Illyria (Hansgirg), Montenegro (Kneucker, Schmidle), 

 Dalmatia et Carinthia (Hansgirg), Italia ad «Neapolin» (Balsamo) et 

 prope «Avellino» (Casali), Sicilia ad Messanam (BoRzi), Romania 

 (IsTVANFFi), Anglia (W. et G. S. West), Hibernia (West), Scotia 

 (West), Suecia (Lagerheim), Lapponia (Bohlin), Islandia (Hariot) 

 Mongolia occidentali (Istvanffi), India (Turner, Hansgibg), in Rhi- 

 zocloniis lacus «Wahiria» Ins. Tahiti (Frauenfeld, Grunow), ins. 

 Dominica et St. Vincent. (West). — forma maior W. et G. S. West 

 Alga-flora of Yorkshire p. 159. Cronldey Fell Anglife (West). — 

 f. minima W. et G. S. West Freshw. Alg. from the West Indies 

 (1894) p. 275, t. XVI, f. 18: celhilis sine teg. 2,8-4 [x., familiis 

 10-23 [JL. diam. Ins. Dominica Indice orientalis (Elliott). — Var. 

 mucosus Kuetz. Spec. p. 198, Hansg. Prodr. II, p. 165: strato muco- 

 siore quam in forma typica, cellulis minimis 2-4 crassis. In aqua 

 pluviali stagnante (Rabenhorst) et passim cum typo. — Var. di- 

 spersus (Lemm.) Keissler in Verh. K. K. Zool. bot. Ges. 1902, p. 311, 

 f. 6, Chroococcus dispersus Lemm. in Arl^. for Bot. 1904, p. 102: 

 cellulis rotundatis singularibus, tegumento mucoso «gre conspicuo 

 cinctis, plerumque octonis aggregatis, spatio intermedio magno in- 

 terjecto; cellulis vix 3,5 [a. cum tegum. 6 [i. diam.; familiis circ. 

 45 [-1. diam.; spatiis intercellularibus 16-20 [x. In «planlvton» lacus 

 «Wolfgang^> AustricG (Keissler), in Germania et Dania (Lemmer- 

 mann). — Cl. Lemmermann hanc varietateni speciem eximie distin- 

 guendam putavit. 



47. Chroococcus fusco-violaceus Hansg. Ueb. neue Siissw. u. Meeres 47 

 algen 1800, p. 20, Hansg. Prodr. II, p. 165, Nuova Notarisia 

 1890, pag. 169. — Strato sa^pe late expanso, tegmina membra- 

 nacea, tenuia, brunneo-violacea vel atro-brunnea, siiblubrica effi- 

 ciente; cellulis subglobosis, ovatis vel breve clavatis, his vero 

 rectis leniterve arcuatis, 3-5 [j.. latis, 1-2-plo longioribus; contentu 

 sordide brunneo-viohxscente; membrana tenui. 



Hab. ad lapides, ligna etc. in rivulis montanis Bohemia^ passim, 

 Dalmatiie prope Ragusam et CarinthisB (Hansgirg). 



48. Chroococcus fusco-ater (Kuetz.) Rab. Fl. Eur. Alg. II, p. 34, 43 

 Pi^otococcus /usco-ater Kuetz. Phyc. gen. p. 168, Tab. Phyc. I, 



