6 
observed. The effect of a fertilization is seen in that the contents of 
the carpogonium become surrounded with a proper membrane an 
form of oospore.”—Cooke, lL.c. 
C. Baileyi, Mocbius (n. sp.) This is a new species of Coleochete, 
discovered by Prof. Moebius amongst the specimens sent to him, and 
excellent work ‘Sylloge Algarum’”; and then proceeds as follows :— 
“This alge forms little cushions of jelly about the size of a pin’s head 
tion are formed. 
polygonal; in the former case they are often curved. very cell 
contains a disc-shaped chromatophore, curved at the edges with a 
pyrenoid. Cell two chromatophores e 
from which they are not separated by a septum. They are, without 
taking the sheath into account, about 2 in thickness. These consist 
of an outer membrane, which has followed the growth of the hair only 
at an interval, when it has become very much thinned and inal 
torn. The sheath terminates again on the inside of the gelatinous 
he x l C- 
= g eur in ame © 
specimens, but those plants which produce aes gs abundantly, for 
the most part, form only to a small extent male and female organs. 
“The s 
upright branches and in the cells lying beneath them, so that a whole 
vegetative cells—often as many as ten upon a cell; their size reaches 
about 7-12 p, It seems that the contents of the supporting cells ne 
be wholly used up in the formation of antheridia, for the cells whic 
7 
empty, with the exception of a small plasmic mass (nucleus *) 
(Fig. 8a). The emission of the aibesseile ensues upon the rupture 
of the membrane at its top. 
___., Lhe oogonia appear to occur in the plants observed in an abnor 
situation, for they are very slightly separated from the thallus, an 
their further development into fructification cannot take place # 
They are mostly found in the neighbourhood of the branching: bub, 
@ 1 silt. 
