Myxophycei», Cryptoglenacese, Ohroomonas. 701 



und Algol. Stud. p. 117 (Etym. chroos coloratus et Monas) Prodr. 

 Alg. V. Bohm. p. 167, Cryptomonadis et DiplotricJm sp. Auct. — 

 — CellulcB ellipticne macula rufa notat;^; raeinbrana arcta; chro- 

 matophoris et contentu acinetarum Chroococciformium kete a^ru- 

 gineo-viridibus; ciliis duobus, celhilis coquilongis. 



1. Chroomonas Nordstedtii Hansg. Anh. z. d. Abh. Ueb. den Poly- 1576 

 morph. der Alg. in Bot. Centr. 1885, loc. cit , Phyc. und Alg. Stu- 

 dien p. 117, tab. I, fig. 18, Prodr. II, p. 167, c. ic. W. et N. alg. 

 exs. n. 800 '/, I Cryptomonas polymorpha Perty Zur Kenntn. kl. 

 Lebensformen p. 163, tab. XI, fig. 1, A, B, p. p. Cryptomonas 

 ovata Ehr. Infusionsth. pag. 41, tab. II, fig. XVII (?) et in Stein 

 Org. d. Infusionth. t. XIX, fig. 26. — Corpore unicellulari, ciliis 

 binis unipolaribus ex anteriore parte cytioplasmatis hyalini vacuo- 

 lani contractilem unicam includentis et stomate quodam parvo ad 

 radicem ciliorum instructi exeuntibus, chromatophoris (cyanophoris) 

 simplicibus, laminseformibus, parietalibus, aerugineo caeruleis, py- 

 renoides ad 3 {j.. diam. globosos includentibus, contentu corpusculis 

 chromatinicis pluribus, exiguis pnedito; cellulis subglobosis vel ob- 

 longo cylindricis, 6-8 [jl. latis, 9-12 jx. longis, ciliis hyalinis tenuis- 

 simis binis ex quibus uno longitudinem celluhie paulo superante, 

 altero paulo breviori, munitis, membrana non contractili, tener- 

 rima, hyalina arcte inclusis ; acinetis ciliis carentibus, mox expalle- 

 scentibus nonnunquam in 1-4 gonidia immobilia divisione repetita 

 orta divisis, quorum evolutio adhuc ignota permanet. 



Hab. in aqua stagnali ad Pragam Bohemias (Hansgirg), prope 

 Beroiinum et Hafniam? (Ehrenberg). 



2. Chroomonas giauca (Ehr.) Hansg. Phys. u. Alg. Studien p. 117, 1576 

 Cryptomonas {Diplotricha) glauca Elir. Infusionsth. p. 42, t. II, 



f. 20. — Corpore ovato, turgido 0,36 mm. longo, duplo longiori 

 quam latiori, apice anteriori truncato, c?erulescenti, flagello duplici; 

 contentu vacuolis repleto. 



Hab. ad Berolinum in aqua stagnali socia Chlamydomo- 

 nade Pulvisculo Ehr. 



Species nonnuUae nuper descriptse aut nobis nuper tantum cognitse. 



3. Synechococcus parvus Migula Cryptog. Germ. Austrite et Helvetiie ^577 

 cxsiccatie n. 123! — Cellulis singulis vel geminatis, cylindrico-ova- 

 libus, 6-10 {X. longis, 3,5-4 \l. crassis, contentu pallide coeruleo-vi- 

 ridi, membrana molli, apicibus rotundatis. 



