226 



E». BORMET ET CD. FLAHAULT. 



Sectio I. — Trichormus. 



Ralfs, Annals and Magaùne of nat. Hist., ser. II, 1850, V, p. 325. 



1. A. variabilis Kûtzing 



Phycologia gênerai., p. 210, 1843; Phycologia german., p. 171; e specim. auth. in 



herb. Lenormand! ; — Cooke, Dritish fresh-water Algœ, p. 236, tab. 93, fig. 2; — 



Flahault in Wittrock et Nordstedt, Algœ exsicc, n" 681 ! 

 Merizomyria littoralis Kiilzing, Pliycologia gênerai., p. 232, tab. 7, fig. IV, 1843; 



Species Algar., p. 325; Tabulœ phycolog., II, p. 13, tab. 44, fig. V; e specim. auth. 



in herb. Lenormand ! 



Sph^erozyga Flotowiana Kiitzing, Phycologia german., p. 172, 1845; Species Algar., 

 p. 290; Tabulez phycolog., I, p. 51, tab. 95, fig. IV; e specim. van den Boschiano 

 in iierb. Lenormand! 



Sph^rozyga seriata Kiitzing, Diagnosen und BenierJiungen , etc., in Botanische 



Zeitung, 1847, V, p. 198; ex ipso auctore in Spec. Algar., p. 291. 

 Sph^rozyga vARiABiLis Ktitzing, Species Algar., p. 291, 1849; Tabulœ phycolog., ï, 



p. 52, tab. 96, fig. IV; — Snringa.r, Observationes phycolog. in floram Batavam, 



p. 45; — Rabenhorst, Flora europ. Algar., II, p. 192. 

 Sph.î;rozyga Thwaitesii Harvey, i)/t(?iua/ of hriiish marine Algœ, p. 233, 1849; Phyco- 

 logia britannica, tab. 113, Ji. 

 Anab,ena allantospora Montagne, Exploration scientifique de l'Algérie, Botanique, 



p. 186, 1849; Sylloge, etc., p. 468; e specim. auth. in lierb. Montagne!; — 



Rabenhorst, Flora europ. Algar., II, p. 196. 

 SPII.ÏROZYGA allantospora Ktitzing, 5pedes Algar., p. 290, 1849; Tabulœ phycolog ic, 



I, p. 51, tab. 95, fig. VI. 

 Trichormus Thwaitesii Rall's, On tlie Nostochineœ, in Arm. and Mag. of nat. Hist., 



1850, ser. 2, vol. V, p. 329, tab. VIII, fig. 4; e specim. aulh. in herb. Lenormand! 

 Trichormus;osciLLArioides lîalfs, Onthe Nostochineœ, in Ann. and Mag. of nat. Hist., 



1850, ser. 2, voL V, p. 328, tab. VIII, fig. 5, excl. synon. 

 Sph.î:rozyga polysperma Rabenhorst, Algen, n° 204!, 1852; Flora europ. Algar., II, 



p. 192 (ex parte). 



Sph/erozyga flexuosa Desmazières, Plantes cryplog. de France, 2' série, fasc. Xi, 

 n" 544!, 1858. 



Anab/ena Thwaitesii Crouan, Floride du Finistère, p. 110, 1867; e specim. auth. in 

 herb. Mus. Par.! — Le Jolis, Algues marines de Cherbourg, n°241. 



Sph.îrozyga VARIABILIS, var. subsala Rabenhorst, Algen, n° 2186!, 1870. 



Anab/ENA indica Zeller in liurz, Algœ collected in Arracan, in Journ. of Ihe Asialic 

 Soc. of Bengal,iS13, vol. XLII, part. II, p. 180; — Rabenhorst, Algen, n''2337! 



Anab.ï;na oscillarioides Cooke, British fresh-water Algœ, p. 238, tab. 96, fig. 6, 1884 ; 

 — Nordstedt in Wittrock et Nordstedt, Algœ exsicc, n" 196! 



Strato gelatinoso ad terrain expanso, vel libère na tante, 

 atroviridi ; trichomatibus flexuosis, 4-6, Sispius 4,2 -5 [>. crassis, 

 plerumque evaginatis, cellula terminali obtuse conica; arti- 

 culis doliiformibus 2,5-6 longis, vel subquadratis, geniculis 

 parum constrictis ; heterocystis sphgericis vel ovalibus, 6 p. 

 latis, 8 [Ji longis; sporis ovalibus, apicibus truncatis, plurimis 



