16 
cine urpengary Swamp, March, 1893, Dr. Thos, L. Bancroft. 
(Plate IV., Figs. 9, @, 5.) 
G. cardiacum (Hass.), Aueiz. Cooke’s British Freshwater 
Alge,166. Oogonia single, between heart-shaped and globose; opening 
by a pore a little above. the middle; oospores globose, 2 not filling the 
2-10 celled ; spermatozoids binate, terminal cells obtuse. »ize: ; 
fem, -018-'03 mm., 2-7 times as long; cells, male, ‘OL5- 025 mm., 2-6 
times as ‘ong 5 oogonia, 05-07 x ‘058-086 mm. ; ocospore, “042- 
x (042-06 mm. ; sperm. cell, ‘015-021 x ‘01-013 min Ook Le. 
Gi. c anisms is known to oceur in Europe and North America. 
Hab.: Dalby, eee Downs, May, 1893, Dr. Thos. L. Bancroft. 
(Plate IV., Fig. 10.) 
«&. grande, Kuetz. Cooke’ s British Freshwater Alge, 172. yi 
oval-elliptic, nearly twice as long as broad; oospores oval-e 9 
entirely filling the oogonia; basal- cell contracted towards the |! 035 
_ then dilated and di discoid; terminal cell obtuse. Size: Cells, ae 68 
mm.,, 3-4 or 5 times as long ; ; oogonia, “1 x ‘07 mm. ; oospore, 09 * : 
mune Cooke Le le 
ebius says:—“I have observed onl single 
filaments which seem me to belong to this species "i e es a 
e filaments, and these (according to Hansgirg) ™ k, “5 
yet grt + The vegetative cells are 34 p thi 
un es as ; the oogonia single, egg-shaped, 60-66 # thick, 
ong, almost ited up by the egg-shaped oospore.’ aaa 
Hab.: Dalby, Darling Downs ; collection, May, 1893, Dr. igoen b s 
(Plate IV, Fig. 6. 
. a 
. _ pachydermatosporum, - Nordst. f shee Moebiu vari 
b thi © o0spores tri 
ut on this occasion als ] Bla ai single i 
shorter cells amongst t the pope T base ol x ie oon oticed the ot 
in we eietiok pamphlet.” 
Hab.: Burpengary, November, 1892, Dr. Thos. L. Banoroft. 
(Plate IV., Fig. 7.) 
