57 
are those which are found upon very old portions of the filaments, and 
which I will call adventitious sporangia, since they bear a very strong 
end of the cell at a sharp angle, but latterly in the middle at right 
angles to the lateral wall. They are short and cylindrical or somewhat 
conical, and terminate bluntly, without hair. They are on an average 
only 35-50 » long, with a diameter of eS Fag 
k 
E. siliculosus appears to be genera distributed. 
Hab.: Moreton Bay ; 
(Plate XV. Fig. asf ; also Burpengary 
E. simpliciusculus, 4y., var. vitiensis._ Prof. Askenasy 
remarks :—‘“ The present specimens from Moreton Bay agree exactly 
with those described by me amongst the alge of the ‘ Gazelle (ubi 
sup.) from the Vavau Island. I may therefore be brief in this place, 
and refer to that work for fuller information. 
as 
4 h cell. The plurilocular 
_ Sporangia usually sessile, somewhat conical, are in section 85 » long, 
Teo 
Plate. gap is length into a plurilocular intercalary eprages 4 
AQ . Fig. 1, represents this filament, unfortunately some 
e ifs 
set b. ay. 
(Plate XIV., Fig. é; Plate XV., Fig. 1.) 
FLORIDER. GIGARTININA, Schmitz. 
RHODOPHYLLIDACEA, Schmitz. 
Opuntia Se the following note:— 
E Grev. Prof. Askenasy gives the : s 
Efe Harvey, Phycologia, Australis, Pl. 296. Our specimens had 
j n bh) 
n Fa. fla. ‘ i 
This alga is so far known from South Australia, New Zealand, 
e 
ind Europe. 
: Hab.; oreton Ba y- 
