Hab. ad lapides calcareos in rivulis montanis in cataracta pr. 

 ((Glissa)) circa u Spalato», etiam ad a Castelvecchio » Dalniatise 

 (A. Hansgirg). 



175. Aphanocapsa concharum Hansg. Ueb. neue Sussiv. u. Meere- 

 salgen 1890, p. 19. — A. strato tenue membranaceo, sordido, cce- 

 ruleo-viridi, difformi, mucoso; cellulis globosis ellipticisve, 1-1,5 a. 

 latis, 1-2-plo longioribus, contentu pallide coeruleo- aut olivascen- 

 ti-viridi, subtiliter granulato, membrana tenui, achroa donatis, ple- 

 rumque dense coiiglomeratis et gelatina communi hyalina obvolutis. 



Hab. in mari adriatico ad chonchas Fateli se, My tili etc. nec 

 non ad al gas majores e. gr. Peyssonelliam in mari adriatico 

 ad ((Fola, Fasana et Rovigno)) Istrise (A. Hansgirg). 



176. Aphanocapsa fonticola Hansg. Ueb. neue Sussw. u. Meeresal- 

 gen 1890, p, 19. — A. strato obscure ^erugineo- vel atro-vire- 

 scente, tenui, difformi, submucoso; cellulis globosis ellipticisve, 3- 

 3,5 [X. latis, fere sesqui longioribus, ante divisionem fere usque 

 ad 2-plo longioribus, membrana tenui hyalina contentuque coeru- 

 leo-viridi donatis, in gelatina communi conglomeratis. 



Hab. in fontibus rivulisque ad lapides per Bohemiam passim (A. 

 Hansgirg). — Aphanocapsce virescenli (Hass.) Rabenh. proxima. 



177. Chroococcus fusco-violaceus Hansg. Ueb. neue Silssic. u. Mee- 

 resalgen 1890, p, 20. — C. strato sa^pe late expanso, tegmina 

 membranacea, tenuia, bruuueo-violacea vel atro-brunnea, sublu- 

 brica efficiente; cellulis subglobosis, ovatis vel breve clavatis, his 

 vero rectis leniterve arcuatis, 3-5 u.. latis, 1-2-plo longioribus, con- 

 tentir sordide brunneo-violascente, membrana tenui. 



Hab. ad lapides, ligna etc. in rivulis montanis Bohemite passim 

 (A. Hansgirg). 



Var. cupreo-fuscus Hansg. /. e: cellulis 3-6 a. latis, contentu 

 rufescenti-brunneo vel cupreo-fusco, ceterum ut in typo. 



Hab. cum specie. — Chroococco fusco-airo Kuetz. proximus. 



178. Clastidium setigerum Kirchn. 



Var. rivulare Hansg. Ueb. neue Silssio. u. Meeresalgen 1890, 

 p. 18, t. 1, f. 16. — Thallo brove filiformi, apice inferiori cras- 

 siori adfixo ; filis per plura aggregatis, elongato-cylindraceis vel 

 subconoideis, manifesto articulatis, e cellulis 2-4-8 raro ultra com- 

 positis, dein 20-45 y.. longis, tegumento indistincto, hyalino gela- 

 tinoso obvolutis, adparenter evaginatis, apice anteriori seta inar- 

 ticulata, hyalina, tenui, recta, fragili praiditis, seta basi 0,5 a. cras- 

 sa, tura filo breviori tum eo longiori; cellulis vegetativis 2-4 [x. 



