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Sylloge algarum omnium hucusque cognitarum

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Confervoideao, OEdogoniaceae, Bulbochsete. 25<br />

altit. lV4-2-plo majore; oogon. 25-27^:40-45; cell. antherid. 8-9<br />

^.6-7. In Suecia (Lundell). — Var. immersa Wittr. Prodr, Mo-<br />

nogr. (Edog. p. 51, Hansg. Prodr. sub n. 55: minor; oogoniis sub<br />

cellulis vegetativis (raro sub setis terminalibus) sitis, sa^pe in ra-<br />

mis pluricellularibus basalibus; antheridiis 1-2-colIuIaribus, ere-<br />

ctis vel rarius patentibus, subepigynis vel rarius sparsis; crassit.<br />

cell. veget. 13,5-15 a. altit. ly^-iy^-plo majore; oogon. 25-33 :i<br />

40-48; cell. anthei'id. 7,5-9^6,5-8. In Norvegia et Bohemia.<br />

22. Bulbochaete De-Baryana Wittr. et Lund. in Wittr. Prodr. Mo- 35<br />

nogr. (Edog. p. 51, n. 20. — Oogoniis ellipsoideis, patentibus, sub<br />

cellulis vegetativis vel sub setis terminalibus sitis; antheridiis pa-<br />

tentibus (raro erectis), subepigynis vel sparsis; crassit. cell. veget.<br />

20-22 p.. altit. li/g-lYa-pIo majore ; oogon. 82-32^46-49,5; cell.<br />

antherid. 11-12^8,5-9.<br />

Hab. in Suecia (Lundell). — Divisio horizontalis cellularum<br />

vegetativarum non rara est.<br />

23. Bulbochaete megastoma Wittr. et Lund. in Wittr. Prodr. Mo- .%<br />

nogr. (Edog. p. 51, n. 21, t. I, f. 21. — Oogoniis subanguloso-<br />

ellipsoideis, poro foecundationis magno, tubo foecundationis exce-<br />

dente, patentibus (raro erectis), sub sotis terminalibus vel rarius<br />

sub cellulis vegetativis sitis; antheridiis 1-2-celIularibus, erectis<br />

(raro patentibus), sparsis v. subepigynis; crassit. cell. veget. 19,5-<br />

24 ij: altit. pari vel ly^-plo majore; oogon. 34-36^48-54; cell. an-<br />

iherid. 12-13::: 8-9.<br />

Hab. \n Suecia (Lundell). — Divisio liorizontalis cellularum<br />

vegetativarum non rara est.<br />

Subsectio 2. Spocies dioicae, nannandrae, et (quantum cognitum adest) gyn-<br />

androsporaj; nannandres recti, stipitati, antlieridio exteriore, 2-5-celluliiri.<br />

A. Species cellulis suffultoriis dissepimento carontibus.<br />

24. Bulbochaete pygmaea (Pringsh.) Wittr. Dispos. (Edog. Suec. p. 141, 37<br />

Prodr. Monogr. (Edog. p. 52, n. 22, Kirchn. Alg. Schles. p. 62,<br />

Wolle Freshw. Alg. U. S. p. 100, t. 87, f. 4, Cooke Brit. Freshw.<br />

Alg. p. 176, t. 68, f. 5, Q. J. M. S. 1870, p. 89, B. pygmcua var.<br />

minor Pringsh. Beitr. z. Morph. d. Alg. 1, p. 74, t. 6, f. 10. —<br />

Oogoniis ellipsoideis, patentibus, sub setis terminalibus vel sub cel-<br />

lulis vegetativis sitis, (in sectiono longitudinali optica) subtetrago-<br />

nis; androsporangiis sparsis ; nannandribus prope oogonia sedenti-<br />

bus; crassit. cell. veget. 12-15 a. altit. tertia parte minori-pari;

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