Myxophycefe, Lyngbyeae, Phorrnidiuin. 233 



t. 38, f. 12, Dalla Torro u. Sarnthein Alg. v. Tyr. Vorarl. u. 

 I.iechtenst. p. 148, Lynghija spissa Hansg. Prodr. 11, p, 109, 

 Phormidium guya^iense Mont. Crypt. Guy. in Ann. Sc. Nat. 

 ser. III, bot., t. XIV, p. 307, Syll. p. 4G4, Oscillaria autumnalis 

 Carmich. mscr. p. p., Harv. Man. p. 1G5, Hass. Brit. Freshw. Alg. 

 p. 251. t. 72, f. 7 (fide Cooke). — Strato mruglnoso, membranaceo; 

 filis subrectis, siccitate fragilibus; vaginis tenuibus, in mucum 

 amorphuin dilfluentibus, chlorozinc. jodur. cn^rulescentibus; tricho- 

 matibus asruginosis, rectis vel arcuatis, ad genicula non constrictis, 

 apice rectis breviterque attenuatis, non capitatis, 3-5 \i. crassis; 

 articulis subquadratis vel diametro longioribus, 4-8 jx. longis; dis- 

 sepimentis granulis refringentioribus obductis; cellula apicali ob- 

 tuse conica; calyptra nulla. 



Hah. in palustribus, progcipue aqua phiviali repletis necnon iu 

 aqui\3ductibus, rupibus et saxis udis frequens in Gallia (Lenormand, 

 Lamy de la Chapelle, Gomont, Brebi.sson), Anglia (West, Abbott), 

 Hibernia (West), Scotia (West), Belgio ad «Spa» (Bory), Norvegia 

 (Foslie), Virtembergia (Kirchner), in lacu « Balaton » Hungaria? 

 (Istvanffi), in Tirolia, Istria, Carinthia (Hansgirg) et passim in 

 Austria (Morl, Beck, Ummer, Hansgirg), Italia prope « Limbaram » 

 Gallurse in ins. Sardinia (Marcucci, Piccone) et prope Forojulium 

 (Del Torre), in Bosnia, Dalmatia (Hansgirg, Karlinski, Schmidle), 

 Montenegro (Schmidle), America septentrionali (Wolle, Farlow, 

 Ravenel, Gardner) et Guyana (Leprieur), in ditione «Koh-Chang» 

 Indi;e orientalis (.1. Schmtdt). — Var. conspersum Menegh. in Kuetz. 

 Sp. Alg. p. 2Bl : strato amoene viridi; trichomatibus curvatis, con- 

 spersis, obsolete articuhitis, vaginatis. In thermis Euganeorum (Me- 

 neghini). — Var. symploclforiTils Hansg. Prodr. II, p. 90: tricho- 

 matibus fasciculatis, fasciculis erectis ad 8 mm. longis. In Bohemla 

 passim cum typo. — Subsp. fluvlatills Hansg. Prodr. II, loc. cit. : 

 tricho:natibus Ciespitosis, c;espitulis in stratum tenne, membranaceo- 

 mucosum s;epe late expansum aggregatis, colore sordide olivaceo- 

 vel cajruleo-viridi, maculato, 2,5-3 {jl. diam. ; articulis diametro ad 

 2-plo brevioribus vel subquadratis. In tignamentis fluviis inundatis 

 Bohemioe passim cum typo (Hansgirg). — Var. sympiocoides Hansg. 

 L c. : strato subtilitor membranaceo-Iubrico, superficie fasciculis 

 2-G mm. longis ornato, obscure oIiv;iceo vel a3rugineo-viridi ; cellulis 

 contentu olivaceo vel ;i3rugineo-viridi confertis. In Bohemia (Hans- 

 girg), 

 34. PhormJdlum Sauteri Grun. in Rab. FI. Eur. Alg. II, p. 117. — GOG 



