Myxopiiyceae, Stigonemaceae, Stigonema. 58l 



Sirosiphon intermedius Kuetz. Phyc. germ. pag. 178, Sp. Alg. 

 p. 317, Tab. Phyc. II, p. 10, t. 86, f. II, Sirosiphon oceUatus 

 Arcang. iri Erb. Critt. it. II, n. 14291 nec alior., Sirosiphon alpi- 

 nus Kuetz. Tab. phyc. II, t. 10, t. 35, f. II, Nave Vorarb. etc. I, 

 p. 42, Rab. Fl. europ. Algar. II, p. 288, Sirosiphon truncicola 

 Rab. iu Hedvv. I, pag. 47, t. 11, f. III, 1852, Sirosiphon varia- 

 bilis Bleisch, in Rabenhorst, Algen, n. 1191, a! noii h. (fide Bor- 

 neti), Sirosiphon argillaceus Wood Contrib. p. 73, t. 9, f. III, 

 Wolle Freshw. Alg. of U. S. pag. 273, tab. CXCIII, fig. 12-13. 

 — Strato cnespitoso-expauso, olivaceo -nigro; fiUs usque ad mm. 

 altis, decumbentibus, flexuo^is, intricatis, 24-36 [t. crassis, apice 

 attenuatis, irregulariter ramosis; ramis erectis, lateraliter iu fasci- 

 culos agglutinatis, filo primario sequicrassis, hormogoniiferis 12- 

 15 [A. crassis; vagina crassa, lutea vel luteo-fusca, lamellosa, su- 

 perficie rugulosa; cellulis brevibus, distantibus, plerumque uni- 

 seriatis, neruginosis; heterocystis sparsis; hormogoniis terminalibus, 

 circiter 100 [i. longis, 20 [j.. latis. 



Hab. in lignis et saxis Suecise (Agardh, Meyen), Norvegiie 

 (Nordstedt), Danite (Lyngbye), Fennite (Elfving), Angliae, Scotia3, 

 Hibernia3 (West), Austrige (Grunow, Hausmann, Kuetzing, Simmer, 

 Heufler, Schiederm.), Silesiae (Hansgirg), Helvetiae, Istrice (Hans- 

 girg), TyroIi;e (Kravogl), GallijB (Flahault), Romanire (Istvanffi), 

 Bulgarife (Petkoff), Americ;e foederatae (Ravenel, Wolle, Farlow, 

 Setchell), Californiae (Farlow), Brasilite (Mcebtus, Wainio), « Hong- 

 Kong» ditionis Sinensis (Kunze , ins. Ceylonae et Dominica; (West), 

 Capitis Bonae Spei (Reinsch), Madeirae (v. Martens), Australire 

 (Nordstedt). — Var. javanicum De Wild. Alg. rapp p. J. Massart 

 in Ann. de Buitenz. 1897, Suppl. I, pag. 47, t. X, f. 1-10: fila- 

 meutis 15-26 [>.. diam., fasciculatis vel sparsis; trichomatibus 12- 

 20 ^. ; cellulis subquadratis in hormogoniis et ramulis terminalibus 

 valde complanatis; heterocystis luteis, '/^-ly^-plo diam. longiori- 

 bus, rotundatis, globulosis, quadratis vel rectangularibus, 15 ^. 

 circiter diam., intercalaribus vel rarius ad latus filamenti rejectis; 

 trichomatibus 12-22 ]s.. diam.; vagina luteola, aetate provecta brun- 

 neola, plus minusve crassa, lamellosa, praecipue in segmentis hor- 

 mogoniiferis; hormogoniis 67-120 •!. longis, torulosis, 15 [i. circ. 

 latis; filamentis sparsis, pallidioribus, vaginis minus lamellosis. — 

 In cortice palmarum horti botanici « Buitenzorg » Javae (Massart). 

 5. Stigonema tomentosum (Kuetz.) Hieron. in Hedwigia 1895, p. 166, 1334 

 Sirosiphon tomentosus Kuetz. Bot. Zeit. 1847, pag. 196, Sp. Alg. 



