tC Confervoidete, CEdogoruacca}, Bulbochaete. 



oogon. 23-25^34-40, stip. nannandr. 11-12^15-18, cell. antlie- 

 i'i(l. 7-7,5 ^ 7-7,5. 



Ilab. in Suecia, Norvegia, Gerinania (PRiNosnEiM), Belgio (Dk- 

 Wildeman), Hibernia, Britannia ((\)oke), flungaria (Istvannfi), Ame- 

 1 ica boreali (Wolle) et in Afglianistan Asiie (Istvannfj). 



B. Species cellulis sufrultoriis dissepimento pivoditis. 



25. Bulbochaete subsimplex Wittr. Dispos. (Edog. Suec. p. 142, Prodr. .^v^ 

 Monogr. (Edog. [>. 52, n. 23, Kirciin. Alg. Scliles, p. 02, Woile 

 Fresliw. Aig. U. S. p. 101, t. 90, f. 5, Bulbocluvle dumosa Wood"? 

 sect. auct., /A pygmcva var. major Pringsli. l^eitr. z. Morph. d. Aig. 



I, p. 74, t. G, f. 11. — Oogoniis ellipsoideis, patentibus, sub andro- 

 sporangiis vei sub setis terniinalibus sitis; androsporangiis epigy- 

 nis; nannandribus in oogoniis vei prope hsec sedetitibus; crassit. 

 cell. veget. 15-16 u.. altit. pari vel IVg-i^Jo majore; oogon. 26- 

 28^:39-42; ceii. androsp. 11-12^12-16; stip. nannandr. 10,5^ 15; 

 cell. antlierid. 7,5 ^ 7. 



Jld/j. in Suecia (Wittrock), Germania (Pringshrim) et America 

 boreali (Wood, Wolle). 



26. Bulbochffite rhadinospora Wittr. Prodr. Monogr. (Edog. p, 53, .^y 

 n, 24, Wolle Freshw. Alg. U. S. p. 103, t. 89, f. 4-5. ~ Oogo- " 

 niis oblongo-ellipsoideis, patentibus, sub androsporangiis vel sub 

 setis terininaiibus sitis; androsporangiis epigynis; nannandribus 

 jtrope oogonia vel in iis sedentibus; crassit. celi. veget. 15-21 a. 

 altit. lV'o-2-pio majore; oogon. 29-35:^64-80; cell. androsp. 13- 

 15:; 16-23; stip. nannandr. 16^:23-25; coll. antherid. 8 = 7-8. 



Ifab. in Suecia, Tasmania (Wittrock) et Floriua Amer. bor. 

 (Wolle). — CelluhT vegetativse ex Wolle 10-13 u.. latae. 



27. Bulbochaete varians Wittr. Dispos. ffil. Suec. p. 143, Prodr Mo- n) 

 nogr. Qi^dog. p. 53, n. 25. — Oogoniis ellipsoideis, erectis vei pa- 

 tentibus, sub setis terminalibus vel sub aiidrosporangiis sitis; an- 

 drosporangiis sparsis vei epigynis; nannandribus prope oogonia 

 (rarissime in iis) sedentibus; crassit. cell. veget. 18-22 a. aitit. 

 l'/4-lV2"P'^ majore; oogon. 30-34 s 46-54; cell. andro-sp. 16 = 18; 

 stip. nannandr. 15-16 = 26-27; ceii. antherid. 8-9 = 6-7. 



Ilab. m Suecia, Norvegia, Dania. — Var. alpina Wittr. et Lund. 

 in Wittr. Prodr. Monogr. (Edog. p. 53: minor; o ogoniis pie)"umque 

 erectis, sub setis terminalibus v. sub androsporangiis (rarissime sub 

 collulis vegetativis) sitis; crassit. cell. veget. 14-17 y.. altit. IVi-^Vs" 

 j)lo nKijoro; oogon. 27-28 = 41-46; coll. amlrosp. 10-11 = 44-15; stip. 



