20 Myxopliyceee. Cliroococcacefe, Chroococcus. 



Hah. « Baden-Baden » in receptaculis zyncheis balneorinn (Su- 

 rinuar). 



35. Chroococcus Simmeri Schmidle in Allgem. botan. Zeitschrift 1898, 35 

 n. 10, p. 158, c. ic. — Strato nigro, crustaceo-pulverulento, expanso; 

 cellulis subglobosis, circ. 8 [x. latis, raro singulis vel binis aut 

 quaternis aut 16-natis solito 8-natis, in familias 10-30 {x. crassas, 

 membranula brunneo-rufa tenui arcte adnata consociatis; contentu 

 glauco-viridi, demum brunneo-rubro. 



Hah. in lignis laricinis in altitudine circiter 1400 M. in Ca- 

 rinthia (H. Simmer). 



36. Chroococcus fuligineus (Lenorm.) Rab. Fh Eur. II, p. 34, Hansg. ^^ 

 Prodr. II, p. 163. Protococcus fuUgineus Lenormand in Kuetz. 

 Tab. Phyc. I, p. 3, t. 3, Sp. k\g. p. 201. — Strato sordide brunneo, 

 tenui, pulvereo; cellulis globosis 7,5-12 {x. raro 20 crassis sim- 

 plicibus vel copulatis, membrana tenui hyalina; contentu cteruleo 

 viridi subtiliter granuloso. 



Hah. in rupibus humidis prsecipue in muscis, Gallias (Lenor- 

 mand), Boliemi* (Hansgirg), Hungarise in montibus « Pieninen » 

 (Filarsky). Species dubia, cfr. Syll. I, p. 705, n. 1680. 



37. Chroococcus atro-virens (Kuetz. ?) Hansg. Prodr. II, p. 163, Pro 

 tococcus atro-virens Corda in Sturm Deutschl. Fl. Vol. XII, p. 61, 

 Microcystis atro-virens Kuetz. in Linnaea Vol. VIII, p. 374, non 

 Menegh. Nostoch. It. p. 76, t. V, f. 1 (qure Glceocapsw speciem 

 sistit), Protococcus cceruleus Kuetz. Tab. Phyc. I, t. 4, Protosp/uv- 

 ria atrovirens Trev. Alg. Coccot. p. 30, Gloeocapsa atro-virens 

 (Kuetz.) Richt. ex p. in Wittr. et Nords. Exs. n. 664 (fide Hansg.). 



— Strato parum mucoso, nigro-virescente; cellulis globosis, 3-5 raro 

 12 {i.. crassis, singulis aut in familias conjunctis (2-4 vel maxime 

 8 individuis constitutis) globosis aut ellipsoideis, 5-20 {j.. crassis, 

 membrana hyalina; contentu glauco-virescente aut olivaceo. 



Hah. passim in saxis humidis murorum, in muris caldariorum 

 Pragte (Hansgirg), Illyrine (Hansgirg). 



38. Chroococcus refractus Wood Prodromus in Proc. Amer. Philos. ^8 

 Soc. 1869, p. 122, Freshw. Alg. of the Un. St. p. 11, t. V. — Cel- 

 lulis in familias solidas arcte consociatis, plerumque subquadratis, 

 saepius triangularibus, raro 5 ^. crassis; membrana tenui vix con- 

 spicua achroa; contentu subtiliter granulato, subfusco vel subluteo 

 vel olivaceo, vakle refringente. 



Hah. in rupibus irroratis prope Philadelphiam Amer. bor. (Wood). 



39. Chroococcus giomeratus (Menegh.) nob., Pleurococcus glomeratus 



37 



39 



