b. 23 
s hort. peduncles from between tlie cells, and have small 
'lie't ern J f ' Ua ^ a P ertures which are generally turned towards 
**' S , s P ec ' es bears a general resemblance to the last, but 
b a ers in having a closer arrangement of the branches, the 
di Se . bellied, aperture contracted, and in the semi-alternate 
slr ibution of the cells. 
CORALLINE. S. Filicula. Cells in the form of 
a Florence flask, opposite, a single one in the axilla of each 
Pinna; vesicles pear-shaped, smooth at the aperture and 
s hortly tubulous, entire. 
(j 0 ^- v *)am ena Filicula, Fleming’s Brit. An., p. 544. Fern 
p r, dline, Sertularia Filicula, Ellis and Solaudcr’s Zooph., 
S le table 6, fig. c. C. Turton’s Lin., vol. 4, p. 681. 
P> l« art s ^ eln, > v,) b 2, p. 445. Lamouroux’s Cor. Flex., 
Johnston’s Brit. Zooph., p. 131, pi. 1 1. 
On Faci, rather rare. Talland sand bay, Polperro. 
a species varies in height from one to four inches, is of 
‘Plji'dlowish brown colour, zig-zag and spreading laterally. 
tii- 6 branches are given ofl‘ somewliat hilariously, but sotne- 
v ery irregularly. The truDk, and branches are 
3 te (e< ' at short intervals by imperfect septa. The pinnae 
t^tnenms, and arise in an alternate manner, one from 
’hternode. The cells, which are bellied at the base 
On P' a in everted apertures, are opposite and in single pairs 
ftitjjj ilc b internode, with a single cell in the head of each 
!L ;, Dn a® it arises from the trunk. The vesicles are pear 
as it arises from the trunk. 
by ^ > arising from the upper part of the base of the cells 
tu b ll ) a Short peduncle, and the apertures are contracted and 
^Sle* 8 s P ec ' es may he distinguished from all others by the 
0t be r Ce ** which stands in the axilla of all the pinnae. In 
boo th . res peets it approaches very closely to the Great 
SSjj, e “ Coralline. 
tj,,. ^-A-IR. S. Operctdala. Cells opposite, larger above 
».i Q below; mouth patulous, scarcely everted, the outer 
°ties terni *°aljng in a long 
ob ’ a joint above each 
fi 
tooth with two lateral smaller 
pair ; vesicles pedunculated, 
muscosa denticulata procumheos, caule tenuis- 
176. 
V °l. 4 Solander’s Zooph., p. 39, no. 6. Turlon's Lin., 
’ P* e 76. Stewart’s Elem., vol. 2, p. 441. Tern 
Sertularia operculata, 
Lin., 
pleton 
