Genus Schizoihrix Gomont non Kuetz. plura genera amplectitur 
[Inactis (Kuetz.) Thr., Schizothrìx Kuetz., Hypheothrix Kuetz. ex p., 
Symploca Kuetz. ex p., Microcoleus Kuetz. ex p.] genus collectivum 
praebens. ■ . „ 
Genas Porphyrosiphon Kuetz. a cl. Rabenhorst 1865 deletum, Go- 
raont restaurare desiderat. 
2. Subfam. Lyngbyece Hansgirg, Notarisia 1888, n. 12 (Lyngbyese 
Gomont 1890 ex m. p.). Classificatio Gomonti a classifìcatione aucto- 
ris in Notarisia 1888 edita differt praecipue quod genus Plectonema 
Thr. a Gemente 1890 (loc. cit. p, 5) et a Thurete 1875 Lyngbyaceis, 
a Kirchner 1878 et ab auctore autem Scytonemaceis adscriptum est 
et quod Gomont (1890 loc. cit. p. 7-8) genera Phormidium et O^cil- 
laria Bosc io duas subtribus locat et a genere Lyngbya trahit, im- 
meraor quod ipse 1888 de hac causa scripsit. 
Novum genus Dactyloglcea Borzì generi Borzia Cohn proximum. 
Genus Arthrospira a Stizenberger 1854 a genere Spirulina Link 
1834 separatum a Rabenhorst 1865 aliisque algologis generi Spiru- 
lina subordinatura Gomont 1890 de novo ab hoc genere separavit. 
Novum genus Spirocoleus Mòb. Gomont 1890 delevit et generi 
Lyngbya Ag. attribuit. 
6. Faro. Chamaesiphonaceae (Borz.) Hansg. 2. Subfam. Cystogonece 
(Borzì) Hansg. includit genera; 1. Pleurocapsa (Thr.) em. Lagrh. 
cum subgeneribus a) Myxoderma Hansgirg in Notarisia 1889, n. 13 
et b) Cyanoderma (Web. v. Boss.) Hansgirg 1890 ^); 2) Xenococ- 
cus Thr. ^) et 3) Oncobyrsa Ag. (Hydrococcus Kuetz.) ^). 
7. Fam. Chroococcaceae Rbh. ampi. (incl. H ormosporacese Reinke 
1889). - 
1. Subfam. Chroocystece Hansgirg in Notarisia 1888, n. 12 cum 
generìbus: 1) Allogonium Kuetz. et subgeneribus a) Asterocytis Gobi 
èt"^) Chroodaciylon Hansg., 2) Gloeochcvte Lagrh. [Schramraia 
Bang.] quod genus etiam in Bohemia et in Tyrolia inveni. ^ 
Genus Xanthocapsa Naeg. et Plocoma Thr. ad genus Gloeocapsa 
(Kuetz.) Naeg, pertinent. 
Genus Porphyridium Naeg. ab auctore 1885 generi Aphanocapsa 
t' T) Physiologische und algologische Mittheilungen, p. 91. 
2) Conf. Hansgirg in Sitz. Ber. der K. bòhm. Gesell. der Wissensch. Pra- 
gse, 1891, I, p. 297. 
3) Conf. Moebius in Berichte d. deutsch. bot. Gesell. Berolini, 1888 et Bor- 
net-Flahault, Notes algologiques, 11, p. 77. 
