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mostly in single rows, here and there in pairs ; between the cells are 
to be seen well-defined plasmic connections. The appearance cor 
responds with the representation in Kuetzing (Tab. phye. II. t.3 
Fig. 4) ; the figure (see Fig. 49) given beneath represents a larger piece 
of the alga.” : 
Hab.: Burpengary, Thos. L. Bancroft. Also in Europe, North America, and 
New Zealand. 
= 
diagnosis in the ‘Alge Exsiccate’ (Nv. 183). The representations 
which Kuetzing (Tab. phye. IT., t. 84) (after him Rabenhorst) wes — 
are in all respects unsatistactory ; but good representations, showing | 
details, are to be found in Borzi (N. Giornale botanico Italiano, he 
Tab. XII., Fig. 33-38). I found it on the twig to which also ba 
Batrachospermum vagum was adherent. Here it forms almos 
hemispherical solid cushions of almost 1 mm. diameter and 0°25-0°5 mm. 
e eve xi 1 
colours has been obliterated by the alcohol. An interruption of 7 y 
growth has evidently not yet taken place, since the threads can © a 
“ The cells are roundish, 4-5 p thick, for the most part shorter Him : 
broad, yet also occur longer (as much as double as long 48 broat ; 4 
t 
fr 
distinguished by their length (4 » broad, as much as 9 p long): . 2 
_ Fig. 49, bis. 2.) The plasmic connection between the cells, a8 @ many a 
hed by the a 
(see Fig. 49, bis. 5.4). They stand clearly out after the applica 
