15 
filling the oogonia, longitudinally costate; male plants the same or 
nearly the thickness of the female; spermogonia 3-6 celled; sperma- 
tozoids binate ; terminal cell slender and somewhat hyaline. Size: 
Cells, ‘014-02 mm., 4-6 times as long; oogonia, ‘04-045 x ‘08-1 mm. ; 
oospore, ‘036-04 x ‘06-065 mm. ; sperm. cell, ‘013-'014 x 006-'009 mm. 
—Cooke, l.c. 
oogomum, but leaves an open space above and beneat The oogonia 
lie singly ; according to the descriptions they also occur in pairs, an 
open with a pore at the to e male plants should be as thick as 
&, bachydermatosporum, Nordst. Prof. Moebius’ note is as 
“ent ‘—“A species not completely known. I observed only one 
nop’, this species is, perhaps, only a form of Gidogonium 
ies 1 ? * 
_ Moniliforme, Witty. si 
Hab.: Burpengary, Thos. L. Bancroft. And the Sandwich Islands. 
pec 
Bie, ib figuses — an arrest in its development cos ; 
“With q jc; ‘lub-shaped cell, having a spherical distended cell above it, 
ts # lid-shaped vertex (145 n long); in the spherical cavity lies a 
