B2 Myxopli_ycete, Ohroococcacece, Dactylococcopsis. 



3-8-plo) loiigioribus, contentu pallido lorugineo, granula bi:ia polaria 

 vel singula centralia includente. 



Ilab. in torra humida, parietibus mucosis etc. inter Hypheo- 

 tlirices ad Pragam BohemicC (Hansgirg); in stagnis et lacubus 

 Germania^ septentrionalis (Lemmermann), in fluvio Albi pelagica 

 (VoLK, Sciiorler), « Harsjun » Dania? (Ostenfeld) in Lapponia 

 lulensi (Bohlin) et in Islandia (G. S. West). 



2. Dactylococcopsis rupestris Hansg. in Syn. gen. subgen. Myx. in 

 Not. 1888, p. 590, Prodr. H, p. 139, f. 49 a, Lemm. in Ber. d. D. 

 Bot. Ges. (1900) p. 309. — Cellulis gracillimis, subfusiformibus, 

 modice incurvis vel sublunatis, raro rectis, utroque polo ina^qua- 

 liter attenuatis, medio 1,5 ad 2,5 [j.. crassis, 9-12-15 {j.. longis; 

 contentu medio pallide vel olivaceo-CceruIeo, granulis (raro 1-3) 

 oleose nitentibus sub polis subhyalinis instructo. 



Hab. in rupibus madidis calcareis una cum Aphanocapsis, 

 Nostocibus etc. ad « Karlstein » Bohemic^e (Hansgirg), AustricB 

 ad « Michldorf » (Schiedermayr). 



3. Dactylococcopsis acicularis Lemmerm. Beitr. z. Kenntn. d. Planliton- 

 alg. X, in Ber. d. Deutsch. bot. Ges. 1900, Hft. 7, p. 309. — 

 Cellulis reclis, linearibus, utroque apice acute et longe acuminatis, 

 2 [1. diam., 5G-80 \).. longis ; protoplasmate pallide lerugineo-viridi, 

 granulis permultis refringentibus consperso. 



Hab. in stcagno turfoso prope «Ploen» Holsatia? in Germania 

 (Zacharias, Lemmermann). 



4. Dactylococcopsis fascicularls Lemmerm. Beitr. Kenntn. Planlvton- 

 algen II (Bot. Centr. 1898, p. 153). — Cellulis fusiformibus, con- 

 tentu pallide viridi, fasciculos varie contortos, chordiformes, libere 

 natantes efficientibus, 55 *!^ 1 [j.. 



Hab. in stagnis et paludibus plurimis GermanisB septentrionalis 

 (Lemmermann) et lacu « Vetter » Sueci» (De Toni et Forti). — 

 Alga Raphidio polymorpho var. contorto Wolle similis primo 

 obtutu videtur. 



5. Dactylococcopsis montana W. et G. S. West in Journ. of Bot. 

 1898, Notes on Freshw. Alg. II, p. 8, Algca-FIora of Yorkshire 

 p. 153 (1902j. — Cellulis solitariis vel 4-lG in familias consociatis; 

 cellulis ellipticis doliiformibus vel obliquis, utroque polo attenuato 

 apicibus breviter rotundcatis, 3,5-4 [x. diametro, ad 2-3-pIo longio- 

 ribus ; cellulis plerumque inter se distantibus, divisione confecta 

 approximatis; contentu pcallide iorugineo. 



Hab. in stagnis ditionis « York » Anglia; australis (West). 



