Confervoideiie, CEdogoniacese, OEdog-onium. 63 



to oogonii sito ; oosporis oogonia fere complentibus, exosporio acu- 

 leato; nannandribus bicellularibus; crass. cell. veget. 8-12 u.. altit. 

 6-14-plo majore; crassit, oogon. circ. 35 u.. ; oospor. (sine aculeis) 

 circ. 25 [j.. diam. 



Ilab. in stagnis montiura ((Alleghany» in America boreali (FI. 

 C. Wood). — CEclogonio Astero Wittr. maxime affine. 

 84. (Edogonium echinospermum A. Rr. in Kuetz. Spec. Alg. p. 366, 142 

 Kuetz. Tab. Phyc. III, t. 36, f. 2, De Bary Ueb. (Edog. u. Bulb. 

 t. 3, f. 13-22 et 33, Rabenh. Alg. Eur. n. 1817, Fl. Eur. Algar. 

 III, p. 349, Wittr. Prodr. Monogr. (Edog. pag. 29, n. 64, Wittr. 

 et Nordst. Alg. exs. n. 12 et 506, Hansg. Prodr. p. 45, n. 33, Wolle 

 Freshw. Alg. U. S. p. 86, t. 84, f. 7, Kirchn. Alg. Schles. p. 56, 

 Cooke Brit. Freshw. Alg. pag. 164, t. 62, f. 2 non Pringsh. — 

 Gynandros porum vel idioandrosporum ; oogoniis singulis, ellipsoi- 

 deo-globosis vel subglobosis, poro mediano apertis; oosporis oogo- 

 nia fere complentibus, globosis, echinis subuliformibus; androspo- 

 rangiis 2-5-ceIIuIaribus; nannandribus paullulum cnrvatis, in cel- 

 lulis suffultoriis sedentibus, antheridio unicellulari; crassit. cell. ve- 

 get. 18-30 u. altit. ^y^-^Va-plo majore; oogon. 40-50:^42-57; 

 oospor. (c. echin.) 38-47 =; 38-49 longit. ; longit. echinor. 3 p.. ; cell. 

 androsp. 21-25^^9-15; stip. nannandr. 12-15 :;:; 30-P5; cell. anthe- 

 rid. 10-12=^12-15. 



Hab. in Suecia (Wittrock) Germania (Pringsheim, Itzigsohn, Ra- 

 BENHORST, KiRCHNER, A. Braun), GalUa, Bohemia (Hansgirg) ot Arne- 

 rica boreali (Wolle), nec non in turfosls stagnisque in Austria (De 

 Moerl), Hibernia et Scotia (Archer); in Monte ((Spinale» in Ty- 

 rolia (WiTTROCK et Ncrdstedt). 



** Oosporse ellipsoideae. 



85. (Edogonium Hystrix Wittr. Dispos. (Edog. Suec. p. 133, Prodr. hs 

 Monogr. CEdog. p. 29, n. 60, WoIIe Freshw. Alg. U. S. pag. 87, 

 t. 84, f. 8. — Gynaudrosporuni (vel idioandrosporum?) ; oogoniis 

 singulis, ellipsoideis ad globoso-ellipsoideis, poro mediano apertis; 

 oosporis oogonia complentibus, echinis subuliformibus ; androsporan- 

 giis 2-3-ceUuIaribus; cellula terminali obtusa ; nannandribus paul- 

 lum curvatis, in cellulis suffultoriis sedentibus; antheridio unicel- 

 lulari ; crassit. cell. veget. 17-22 u.. altit. 2Vo-4yg-plo majore; 

 oogon. 38-44-45-65; oospor. (c. echin.) 37-42 ^; 43-55; longit. 

 echinor. 2,5 a. ; cell. androsp. 17-18^13-18; stip. nannandr. 10- 

 11^22-23; cell. antherid. 7,5-8^12-14. 



