MONOGRAPHIE DES OSCILLA RIÉES. 



221 



OsciLLARiA LiMOSA, ^ ANiMALis WUlrock et NoT'dstedt, Algâs aq. dulc. exsicc, 

 fasc. XX, no 9971, 1889. 



Playiche YII, fig. 2e^3. 



Stratum tenue, pulchre aul rarius obscure aerugineum. 

 Trichomalalaete seruginosa, recta, fragilia, ad genicula Yulgo 

 leviter constricta, 4 p. ad 10 ]j. crassa, apice recta vel arcuala 

 neque attenuata neque capitata ; articuli subquadrati, vel 

 diametro trichomatis ad triplo breviores, 2,6 [j. ad 5 [/.longi; 

 dissepimenta plerumque lineis geminis granulato-punctatis 

 ornata; cellula apicalis superne convexa membranam pau- 

 lulum incrassatam praebens (v. v.). 



Var. a, natans [OscUlavia natans Kiitzing. — 0. limosa 

 KiUzing, Desmazières, etc.). — Trichomata 6 ad 10 (x 

 crassa. 



Var. 6, tergestioa Rabcnborst [Oscïllaria tergestina 

 Kiitzing). — Trichomata 4 ad 6 \j. crassa. 



Hab., primum limo affîxa^ deinde natans, fossas, stagna, 

 fontes frigidas aut thermales Groenlandise (herb. Rosen- 

 vinge !), Sueciae (Nordstedt !), Bataviœ (Suringarî), Belgiae 

 (Bory!), toise Galliae (Bory !, Libert !, Mougeot !, Desmazières !, 

 Brébisson !, Thuret ! et ipse). Germanise (Kiitzing, Décades !, 

 Rabenhorst, Algen!), Hungariae (Markus ex herb. Grunow!), 

 Italiae (Mori!, Meneghini in herb. Thnret!, Macchiali!), 

 Africœ borealis (Debray ! , Sauvageau !) et sequinoclialis circa 

 montem Cameron (Jungner in herb. Nordstedt !), American 

 fœderata^ (Farlow iu herb. Thurel!, WoUe!, CoUins!, Hol- 

 den!), Antillarum (Mazé et Schramm !), Americae (Equinoc- 

 tiaHs ad Tesalia (Lagei'heim !j, Brasili^e (Lofgron in W'ittrock 

 et Nordstedt, Algœ aq. dulc. exsicc. !), Novœ Zelaiidia^ 

 (Berggren in Wittrock et Nordstedt, Algœ aq. chilc. exsicc. !) 

 et Nov<T Caledonia» (Grunow in herl). Thuri^l !). 



10. O. aiiiphil>i:i Ai;aidh 



Aiifzahluiif/, etc., iii luni-n, \, p. 1827; r siirciiii. aiillitMil. ex Ikm-I). Ai^ardti.' 

 — Kutzing, Ahjar. (Kj. dulc. Dcaulcs, \1II, n" |\".)!: l'hiii-nlixjiii i/r/-/)i,(/i., p. lôS; 

 Species Alç/ar., p. 'l'iihii':i- plnii'nln,!.. I, p. -j;, lah. :!'.). Wi:. I — (;ui Ph>j- 



cologia cjencr. '.\ . 



