8 
GLEOCYSTIS, Nag. 
s globose or oblong, either single or 9-4-8, associated in 
siihoss “famili es. Common and special integument gelatinous, 
Jamellose. Division in alternate directions. Propagation by 200- 
gonidia. 
The la mauve iene distinguishes the species of this genus 
from Plewrococcu 
G. vesiculosa, Nig. Thallus gelatinous, green; cells ee 
globose, as many as 64, and more, associated in families ; pice or 
hya line, colourless, ignaltoes, lamelle often breaking a pe os 
green, (opal granular. Size—Cells ‘0045-0075 mm. ; Ly: 
(Rabh.) (Plate V.) i 
In Europe, found on wood and stones in stagnant water. —Cookes 
Freshwater Alge, 7. 
Professor Schmidle notes this alga as present in the collection 
of Mr. W. J. Byram from Blackstone, near Ipswich. 
TETRASPORA, Link. . 
. explanata, 47. Thallus forming an irregular expansion, 
he. : - in Mocadth, lamellose often blistered, soft, ey 
r fixed; cells elliptical or obtusely angular, 
n still clear water, adhering to stones and plants or foe swimm 2 
ss teoanhint Europe, especially in Switzerland, also in North Ames 
olle 
Hab. : Queensland ; locality and collector not recorded. 
TRACHELMONAS, Ehrberg. 
T. volvocina, Ehrberg. 
T. hispida, Svein. 
the 
Hab. : Professor Schmidle found these species, the first in a iabane 
latter more rarely, in Mr. W. . Byram’s collection from Bowen Par 
VAUCHERIA, DI. is 
V. sp., Schmid. The determination of this ee 
of te pi datenges Schmidle says :—“ Merely the ripen!ng, 
fou 
not 
pid 
can come to the mane that they belong to they 
b., ale ed perhaps grew on the margin of the place where 
Hab.: Blackstone, Ipswich, W. J. Byram. 
OPHIOCYTIUM, Nag. 
O. majus, Nig 
Hab, : Fibuies River, Dr. Thos. L. Bancroft. 
