Monographie der Oedogoniaceen. 215 



114. Oe. CrasSiUSCUlum Witte. 



1870 Wittrock (I) p. 132; 1874 Wittrock (IV) p. 24; 1884 Cooke p. 162, 

 t. 60, f. 5 (fig. haud bona!); 1889 De Toni (I) p. 54. 



Oe. dioicum, nannandrium. gynandrosporum ; oogoniis singulis vel binis, 

 globoso-oboviformibus vel subglobosis, poro superiore apertis ; oosporis ellipsoideo- 

 globosis vel globosis, membrana lsevi, incrassata, oogonia fere conrplentibus ; 

 cellulis suffultoriis eadem forma ac cellulis vegetativis ceteris; androsporangiis 

 2 — 5-cellularibus ; nannandribus subrectis, in cellulis suffultoriis vel prope has 

 sedentibus, antberidio exteriore, 1 — (?)-cellulari ; 



crassit. 



cell, veget. 



27—30 f t, 



altit. 



3%— 5-plo 



55 



oogon. 



54—60 „, 



n 



60—75 «; 



55 



oospor. 



51—57 „, 



n 



52—63 „; 



55 



cell, androsp. 



26-28 „, 



55 



10-18 „ ; 



n 



stip. nannandr. 



13 „, 



55 



60 „; 



n 



cell, antherid. 



7-9 „, 



55 



— . 



Hdb. in 



Britannia: in Epping Forest ad Loughton Anglise (sec. Cooke). Suecia: Og. 

 in lacu Erlangen ad Sturehof (sec. Wittrock). 



(3 idioandrosporum Nordst. et Witte. 



Exs. 1879 in Wittr. et Nordst. Alg. exs. Fase. 5, N:o 208 a et b (Fase. 21 

 p. 7); 1880 1. c. Fase. 7, N:o 310; 1888 in Phykoth. Univ. Fase. V, N:o 226; Rou- 

 meguere, Alg. exs. N:o 791; 1894 in Tilden, Amer. Alg. Cent. I, N:o 1 sub nom. 

 Oe. Huntii Wood; 1895 in Pbycoth. Bor.-Arner. Fase. II, N:o 72 sub nom. Oe. cras- 

 siusculum Wittr. (vide infra). 



1887 Wolle (HI) p. 80, t. 77, f. 14—19 (fig. minus aecurate facta!); 1889 De 

 Toni (I) p. 55; Oe. crassipellitum West (V) 1899 p. 55, t. 394, f. 3—5. 



Var. idioandrospora, oosporis haud raro angulari-oboviformibus vel angu- 

 lari-globosis ; 



crassit. 



cell, veget. 



25—36 ft, 



altit 



. 2% — 5V'3-plo major 



55 



oogon. 



48—59 „, 



55 



57—90 f «; 



55 



oospor. 



42-57 „, 



55 



50— 66 (—88) „; 



55 



cell, androsp. 



30—34 „, 



55 



12-21 „; 



55 



stip. nannandr. 



14—16 „, 



55 



60—70 „ ; 



55 



cell, antherid. 



8-10 „, 



55 



10—18 



N:o 1. 



