Monographie der Ocdogoniaceen. 187 
89. Qe. nodulosum Wirre. 
1872 Wittrock (IT) p. 22, t. 1, f£. 8—10; 1874 Wittrock (IV) p. 13, t. 1, £. 2 
et 3; 1889 De Toni (I) p. 40; 1894 Möbius (II) p. 317, t. 1, f. 16; (?) Oe. sp. 
Borge (II) 1899 p. 6, t. 1, f. 3. 
Oe. monoicum, oogoniis singulis vel binis, oboviformi-globosis, rarius obovi- 
formi-ellipsoideis, operculo apertis, circumscissione superiore; oosporis globosis 
vel subglobosis, rarius globoso-ellipsoideis, oogonia fere complentibus, membrana 
lxvi, haud raro crassa; antheridiis 1 —3-cellularibus, subepigynis vel hypogynis; 
spermatozoidis binis, divisione horizontali ortis; cellulis vegetativis bis undulato- 
constrictis itaque trinodulosis; cellula fili basali forma, ut vulgo, elongata, haud 
nodulosa, cellula terminali apice obtusa vel (sec. Wirrrocx) apiculata; 
crassit. cell. veget. (15—) 20—29 u, altit. 115,— 4'/-plo major; 
= 00gon. 48—57 ,, ,  D6—73 u; 
y o0spor. 46—53 ,, ,  49—56 ,; 
, cell. antherid. 18—235 ,, , 1—9 ,. 
Tab. XXIX, Fig. 184. 
Hab. in 
America austr.: ad oppidum Porto Alegre civit. Rio Grande do Sul in Bra- 
silia (Exp. Regn. Alg. N:ris 1 et 20. Leg. cl. D:r G. A:n Malme) (?) Asia: Man- 
dschuria (Herb. Borge). Australia; Dalby, Darling Downs, Queensland (sec. Móbius. 
An forma typica?) Suecia: Gl. ad Stenstuga par. Bro et ad Westerlans par. Bur 
(sec. Wittrock); (El. ad Färjestaden (Herb. Wittrock); Upl. in Igeldammarne 
(ad Norby) prope oppidum Upsala (Herb. Lundell). 
p commune Hinw nov. var. 
Exs. 1895 in Phycoth. Bor.-Amer. Fasc. IL, N:o 74 (sub nom. Oe. nodulo- 
sum Wittr.). 
1895 Hirn (I) p. 13 (sub nom. Oe. nodulosum W ittr.). 
Var. oogoniis oosporisque majoribus, illis suboboviformi-ellipsoideis, his elli- 
psoideis, rarius globoso-ellipsoideis ; 
crassit. cell. veget. 232—929 u, altit. 1'5—4'^-plo major; 
* oogon. (59—)64—74 ,, ,  470—90 u; 
». Oospor. (54—) 56—70 ,, ,  601—80 +; 
^ cell. antherid. 18—26 ,, , 1—10 ,. 
N:o 1. 
