REVISION DES NOSTOCACÉES HÉTÉROCYSÏÉES. 



79 



Sirosiphon ocellatus Rabenliorst, AUjen, n° 1176 = Scijtoneina ocellaluia Lyngbye. 



— Sauteri Rabenliorst, Algen, n" 141 = Lichen. 



— scijtonematoideuf: "Wood, Prodromus of a Stndy of Ihe fresimater Algœ of 



eastern North-Amerka, p. 13-i = Diclioneina spec. 



— sUvestris Itzigsohn, in Rabenliorst, Algen, n" 427; Pli.ijcologische Studien 



'in Nov. Acla Acad. Leop. Carol., XXVI, 1, p. 137, lab. IX = Lichen. 

 Stigonema atrovirevs Agardii, Systema Alyar., p. 42; — Rabenhoi-st, Algen, n° 880; 

 — Wiltrock et Nordstedt, Algœ exsicc, n" 485 = Lichen. 



— intèrruptum Hassall, llistory of the Brili.sh freshwalcr Algœ, p. 229, 



tab. 69, lig. Il = Lichen. 



— pannosum Kiitzing, Species Algar., p. 319; Tahulœ phycolog., II, p. 11, 



tab. 3K, fig. I( = Lichen {Leplogium, ut vidctur). 

 polyceras Kiitzing, Species Algar., p. 319; Tahuke. phycolog ., Il, p. 11, 



lab. 38, lig. V = Lichen, 

 soliduiii Rabenliorst, Aiyen, n" 1147 (specini. manca liaud dctcrniinanda). 



— zonotrichioides Nordstodt, in Wittrock et Norstcdt, Algœ exsicc, n" 183 = 



Capsosira Brebissonii Kiitzing. 



XIV. — Capsosira Kiitzing 



Species Alganmi, p. 344, 1849. 



Filalateraliter coiicrela in frondibus pulvinatis heniisphtC- 

 ricis pagina inl'eriori adfixis; omnia conformia, erecta, ramosa, 

 e cellulanim série subsimplici composita. Vaginœ septatfe; 

 heterocysUe intercalares et latérales; horniogonia (secundiiin 

 Borzi) e cellulis iO-20 composita. Sporœ? sphaîricic, episporio 

 crasso fusco- Planta aqnatica, Rivnlarieis planis siibsimilis. 

 (Conf. Borzi, Morfologia e biologia dellc A lfilie ficocromaceo, 

 in N. Giornale bot. ital., vol. XI, '1879, p. 378.) 



1. €. Ui*ebisi!«OMii Kiitzing 



Species Algar., p, 341, 1849; e spccim. aulh. Brebissonii in berb. Mus. Par.!; — 

 Rabcnborst, Flora europ. Algar., Il, p. 223; — Borzi, Morfologia, etc. , in iV. Gior- 

 nale bot. ital., XI, p. 384. 



Stigonema zoNOTiucHioiDES Nordsledt, in Wittrock et Nordstedt, Alyœ exsicc, n° 183! 

 1878. 



Fronde crustaceo-confluente vel subhemisphœrica, gelati- 

 nosa dura, nigro-viridi, 1-3 millimetr. alta, intus zonis viri- 

 dibus et luteis concentricis variegata; filis rectis densissime 

 stipatis irregulariter raniosis, torulosis, 7,5 [a crassis; ramis 

 adpressis strictis lastigiatis; cellulis subglobosis 4-5 ^ lalis, 



