Myxopliycege, Schizotriclieae, Schizothrix. 361 



crustaceo, saepe late expanso aut in fasciculos cuin aliis algis intri- 

 catos divisoj trichomatibus subtilissimis, intricato-curvatis, paucis 

 in singulum fasciculum aggregatis, 1,1-1,5 \u diam., vaginis achrois, 

 maxime hyalinis, ad 8 [i. crassis, apice subulatis, acutissiinis; ar- 

 ticulis subquadratis, torulosis; contentu dilutissime virescenti. 



Ilah. rupes madidas Sylvoe Hercynite et passim in Silesia 

 (KuETZiNG, Kirchner), iu lacu Constantiae (Kirchner), Benacensi 

 (Garbini), in Bohemia, Tyrolia et comitatu Tridentino (Hansgirg), 

 Bosnia (Gutwinski), in stagnis Americte borealis (Wolle) et prope 

 « Itajahy » Brasilioe (Moebius). — Var. ramosissima Reinsch P'reshw. 

 Alg. fr. Kerguel. Is. (1876), p. 211: trichomatibus subtilissimis, 

 1 [i. crassis, pallide oerugineis, vaginulis amplis, 2-5 |j.. diam., 

 hyalinis cinctis ; pseudoramulis numerosis, erectis, flagelliformi-at- 

 tenuatis. In filamentis Schizosiphonis Kerguelensis in terra 

 Kerguelensi (Eaton). 



Schizothrlx aurantiaca Kuetz. Sp. Alg. p. 320, Tab. Phyc. II, p. 11, 888 

 t. 39, f. III, Rab. Fl. Eur. Alg. II, p. 268, Microcoleus auran- 

 tiacus Hansg. Prodr. ,11, p. 78, excl. syn. p. max. p. — Strato 

 tenui, expanso, subcoriaceo, tenaci, nigro-fuscescente; trichomatibus 

 varie curvatis, internis pallide ferugineis, turbatis, pseudoramosis, 

 saepe binis parallelis, distincte articulatis, passim torulosis, ad 5 {i.. 

 diam.; articulis granulatis, diametro sequalibus vel subduplo bre- 

 vioribus, terminalibus ssepe exsertis, extremo obtuse acutato; va- 

 ginis crassis, distincte multilamellosis, aureo-fulvis, rarius achrois, 

 hyalinis, apice apertis, truncatis, ad 10 [a. diam. 



Hah. ad « Schwarzenberg » Saxoniiie (Rabenhorst) et Reichen- 

 berg Bohemiiie (Siegmund) et passim in Bohemia (Hansgirg), in 

 trunco AreciB Catechu ins. Javae (Zollinger). — Species hnec forsan 

 non est a Sch. purpurascenti distinguenda. 



Schlzothrix purpurascens (Kuetz.) Gom. Monogr. p. 320, t. IX, 889 

 f. 6-8, Schizodictyon purpurascens Kuetz. Phyc. gener. p. 230, 

 Sp. p. 321, Tab. Phyc. II, p. 12, t. XL, f. 4, Schizothrix varie- 

 color Hilse in Rab. exs. n. 851 1 p. p., S. aurantiaca b variecolor 

 Rab. Fl. Eur. Alg. II, p. 269 p. p., Microcoleus variecolor Kirchn. 

 Algenfi. v. Schles. p. 244 p. p. — Strato indefinite expanso, atro- 

 violaceo ; filis modice elongatis, in lacinias plus minusve divaricatas 

 subdichotome divisis et pseudoramosis, inferne intricatis, superne 

 subparallelis et fasciculos tortuosos repentes formantibus; vaginis 

 aurantiacis vel roseis, apice hyalinis, firmis, solidis, crassissimis 

 et exiniie lamellosis, ambitu irregularibus et erosis, apice acumi- 



