Myxophycese, Scliizotriohese, Schizothrix. 369 



Species excludendae. 



22. Inactis tornata [3 pulvinata Kuetz. = /. puloinata Kuetz. 



23. — crustacea Hcpp. = /. fasciculata Grun. 



24. — scopulorum Thur. = /. vaginata. 



25. Inomeria Brebissoniana Kuetz. = /. pulvinata Kuetz. 

 2G. — Roemeriana Kuetz. = /. pulvinata Kuetz. 



27. — Brebissoniana Ripart. = /. fasciaUata Gom. 



SCHIZOTHRIX Kuetz. [1843] Phyc. gen. p. 230 p. p. (Etytn. schizo 

 fmdo et tlirix capillus, pilus), Kirchn. in Engl. et Prantl Nat. Pflan- 

 zenfam. p. 69 emend., Chromosiphonis, Symphyosiphonis, Scyto- 

 nematis, Microcolei, Schizodictyonis, Schizotrichis , Hormosipho- 

 nis, Hyd7^ocolei sp. Auct. — Fila fasciculos symplocoideos, erectos 

 aut prostratos aut stratum pannosum formantia, rarius libero na- 

 tantia; vagin» initio hyalinse, demum luteo-fuscai, purpureo-roseae 

 aut ccerulete. 



Obs. Plant;e ssepius majores, rarius humiles, terrestres aut 

 aquaticsB aut locos inundatos incolentes, rarius omnino aquatica?. 



1. Schlzothrix chalybea (Kuetz.) Gom. Monogr. p. 319, t. IX, f. 3-5, 

 Symphyosiphon chalybeus Kuetz. in Osterprogr. pag. 8, 1863, 

 Rab. Fl. Eur. Alg. II, pag. 281. — Strato indefinito, tomentoso, 

 chalybeo; filis undulatis, modice elongatis, pseudoramosis; pseu- 

 doramis subdichotomis, adpressis, in fasciculos erectos 2 mm. altos 

 laxe coalitis; vaginis crassissimis, lamellosis, stratis discoloribus, 

 internis pallide chalybeis, externis hyalinis, firmis, cylindraceis, 

 levibus aut superficie paulum erosis, chlorozincico jodurato cieru- 

 lescentibus; trichomatibus fusco-viridibus, intra vaginam paucis 

 et parallelis vel soepius solitariis, ad genicula valde constrictis, 7,5- 

 8,5 [j.. crassis; articulis diam. trichomatis ssepius brevioribus vel 

 subquadratis, 3-8 [i. longis, cunctis (exclusis apicalibus) contentu 

 grosse granuloso farctis ; cellula apicali ad 11 \x. longa, obtuse 

 vel acute conica. 



Hab. terram muscosam in Mexico prope vulcanum Orizaba 

 (Mueller). 



2. Schlzothrix telephoroides (Montagne; Gom. Monogr. p. 319, t. X, 

 f. 1-4, Scytonema tetephoroides Montagne in Ann. dcs Sc. Nat. 

 2 Ser., Bot, XII, p. 45, Kuetz. Sp. Alg. p. 309, Sympliyosiphon 



