18 
condition. The cells have a thin unstratified membrane, are 5-6 or | 
Hab. : Fairfield, Burpengary, Thos. L. Bancroft. Also in Europe. 
H. zonata, (Web. et Moebius) Aresch. More or less bright green, 
mucous, 2 or 3 ft. long, often less, either floating or interwoven; 
little longer than broad ; cell-membrane thick, slightly constricted at 
the septa. Size: Cells, 012-04 mm.; macrozoospores, ‘012-018 x 
2 
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two  aeiaiice showing zoospores; r, with zoospores elongating; 
\bove.—Cooke, lc. 
see a 
Upon this species Prof. Moebius says :— The cells are mostly 
10 u thick and half as long, rarely previous to subdivision of equ 
length—during active subdivision, moreover, only a quarter as long. 
The membran : : 
th : ] two cohering filaments, exactly 
© manner in which Kuetzing (Tab. phycol. II., 84) figures it 
Hormospora mutabilis (Bréb.).”’ ; 
ieee erate Thos. L. Bancroft. Also found in New Zealand, North 
CHETOSPH ERIDIUM, Klebahn. 
C. Pringsheimii, Kiebahn. Prof. Moebius says:—‘I bad 
ena and described this alga when 1 became aware of Klebahn® 
Botany which is communicated in the journal of the German 
Botanical Society (vol. ix. s, [7]) - om communications, oe 
ith gre 
plant which Nordstedt has indicated as Aphanochete globos4, oy 7 
3 Rane 
4 
