Confervoidese, CEdogouiaecfc, CEdogoniura. 49 



cumscissione angustissima sito; oosporis magis depressis, partem 

 inflatam oogonii non plane complentibus; nannandribus non visis ; 

 crassit. cell. veget. 5-7,5 (j.. altit. 2-5-plo majore; oogon. 14-24 i; 

 16-20; oospor. 11-13^14-18. Ad Utr iculari as, in Senegallia 

 socio G^dogonio exciso Wittr. — Forma afghanicum Schaarschm. 

 Notes on Afghanistan Algse in Linn. Soc. Journ. Bot. voi. XXI, 

 1884, p. 249, t. 5, f. 27: oogoniis 2-7-continuis; crassit. cell. ve- 

 get. 7-8 [>.., altit, 3-pIo majore; oogon. 22i;24; oospor. 21 ::; 19. 

 In Afghanistan Asise Asiae (Aitchison). 



50. (Edogonium pluviale Nordst. in Rabenh. Alg. Eur. n. 2257, Wittr. los 

 et Nordst. in Wittr. (Edog. nov. p. 7; Aresch. Alg. Scand. exsicc. 

 Ser. nov. fasc. 7 et 8, n. 353. Wittr. Prodr. Monogr. ffidog. p. 19, 



n. 40, Cooke Brit. Freshw. Alg. p. 159, t. 59, f. 8, (E. diplan- 

 drum Jur. Beitr. z. Morph. d. ffidog, p. 27, t. 1-3, Vesiculife- 

 ra dissiliens Hass, Hist, of Brit. Freshw. Alg, p. 202, t. 50, 

 f. 7"?, CEdogonium affme Kuetz. Phyc. germ. p. 200, Sp. p, 368, 

 n, 34? — Idioandrosporum; oogoniis singulis, raro 2-3-continuis, 

 oboviformi-globosis vel subglobosis, operculo terminali apertis, rima 

 angusta; oosporis subglobosis, oogonia fere complentibus; cellula 

 terminali obtusa; plantis androsporangiferis paullo gracilioribus 

 quam foemineis; androsporangiis 6-10-ceIluIaribus; nannandribus 

 late oboviformibus, in oogoniis sedentibus; crassit. cell. veget. 

 18-28 a. altit. pari ad 3-pIo majore; oogon. 34-39:^34-45; oospor. 

 32-37^31-40; cell. androsp. 17-19^6-11; nannandr. 10c::15. 



Hab. in Suecia (Areschoug, Nor^stedt), Britannia (FIassall), 

 Pannonia (Juranyi), pr. aPozzuoli)) ftaliEG (Nordstedt). 



51. Cdogonium alternans Wittr. et Lund. in Wittr. Prodr, Monogr. 109 

 QEdog. p. 20, n. 41 nec Kirchner. — Gynandrosporum; oogoniis 

 singulis, cum cellulis vegetativis vel androsporangiis plerumque 

 alternis, globosis, poro superiore apertis; oosporis oogonia com- 

 plentibus; androsporangiis 1-2-cellularibus, epigynis; cellula ter- 

 minali obtusa ; nannandribus oblongis, inferne constrictis, in cel- 

 lulis suffultoriis sedentibus; crassit, cell. veget. 21-40 u.. altit. 

 2-5-pIo majore; oogon. 65-80 i; 65-86 ; oospor. 59-74^^59-75; cell. 

 androsp. 18-25^16-25; nannandr. 12-17 ::; 40-46. 



Hab. in Suecia (Lundell). 



52. (Edogonium undulatum (Breb.) A. Br. in De Bary Ueb. Algengatt. 110 

 (Ed. u. Bulb, p. 94, Rabenh. Fl. Eur. Algar. III, p, 351, Wittr. 

 Prodr. Monogr. CEdog. p. 20, n. 42, Hansg. Prodr. p. 43, n. 27, 

 Kirchner Alg. Schles. p. 54, WoIIe Freshw. Alg. U. S. pag. 76, 



4 



