Confervoidcae, (EdOi^oniacesD, Bulbochcotc. 29 



naiinandribus propo oogonia vel in iis sedentibiis ; crassit. cell. ve- 

 get. 20-25 u.. altit. ^Vg-^i/g-plo majore; oogon. 4G-G0 ::; 70-100 ; 

 celi. androsp. 16-20^20-25; stip. nannandr. 17-19 c^ 29-31 ; cell. 

 antherid. 10-11 ^7,5-S. 



Ilab. in Suecia, Germania, Hibernia et in lacubus variis New 

 Jersey America3 borealis (Wolle). 

 35. Bulboch^te rectangularis Wittr. Dispos. GEd. Suec. p. 142, Prodr. ^^^ 

 Mouogr. (Edog. p. 55, t. 1, f. 22-24, Hansg. Frodr. p. 51, f. 17, 

 Wittr. et Nordst. Alg. exs. n. 3 et 152, Wolle Freshw. Alg. U. 

 S. p. 102, t. 90, f. 13, Cooke Brit. Freshw. Alg. p. 177, t. 68, 

 f. 3, Bulboa/iccie ignoia Wood? sec. auct. — Oogoniis ellipsoi- 

 deis, pateutibus vel rarius erectis, sub setis terminalibus v. sub 

 androsporangiis vel rarius sub cellulis vegetativis sitis; andro- 

 sporangiis sparsis vel epigynis; cellulis vegetativis (in sectione lon- 

 gitudinali optica) subrectangularibus ; ramis plantie paucis, longis- 

 ."^imis; nannandribus prope oogonia vel in iis sedentibus; crassit. 

 cell. veget. 19-23 u.. altit. ly^-S-plo majore; oogon. 33-39 s 48- 

 55; cell. androsp. 15-16,5 s lG-27 ; stip. nannandr. 15-18:^22-27; 

 cell. antherid. 8-9,5^^5,5-6,5. 



Ilab. in Suecia, Norvegia, liibernia, Bohemia (Hansgirg), Belgio 

 (De-Wildeman) Hungaria (Istvanffi) et Amer. bor. (Wolle). — Divi- 

 sio liorizontalis cellularum vegetativarum ssepe occurrit. — Var. 

 norvegica Wittr. Prodr. Monogr. (Edog. p. 56, Hansg. 1. c. : minor; 

 oogoniis erectis vel rarius patentibus; androsporangiis epigynis; 

 nannandribus prope oogonia sedentibus; crassit. cell. veget. 15-17 

 [x. altit. ly^-^-plo majore; oogon. 26-27^43-45; cell. androsp. 

 13-14 r 16-20; stip. nannandr. 14^:21; cell. antherid. 9 >j. crass. 

 In Norvegia et IJohemia. — Var. tenuis Wittr. Prodr. Monogr. 

 QEdog. p. 56: tenuior; oogoniis erectis vel patentibus; androspo- 

 rangiis epigynis vel rarius sparsis; nannandribus prope oogonia se- 

 dentibus; crassit. cell. veget. 13-16 y.. altit. 2-2y2-plo majoro; 

 oogon. 22-25 ::; 42-45; cell. androsp. 12 :^ 13; stip. nannandr. 14 ::; 18 ; 

 cell. antherid. 8 a. crass. In Suecia. — Var. Lundellii Wittr. Prodr, 

 Monogr. QEdog. p. 56: oogoniis erectis vel patentibus; androspo- 

 rangiis epigynis (rarissime sparsis); cellulis vegetativis longiori- 

 bus; crassit. cell. veget. 14-16 y. aliit. 2-3-pIo majore ; oogon. 31- 

 36^:49-58; celi. audrosp. 14-15:^16-20; stip, uaunandr. 15-16:5 

 25-27; celi. antherid. 8,5 10:^6-7. In Suecia. — Var. hiloensis 

 Nordst. De Algis et Characeis Sandvicensibus p. .22: paullo minor; 

 oogoniis patentibus, raro erectis ; androsporangiis epigynis vel ra- 



