53 THE OCEAN. 
t 
or stalks of others. Ptilota plwmosa, for example, a 
delicately-feathered species, of a pink or purplish 
hue, is found to be parasitical on the common tan- 
gle. It is justly considered one of the ornaments of 
our southern shores, but becomes still finer as we 
approach a more southern latitude. This must not 
be confounded with another elegant little plant bear- 
ing the same specific name, but belonging to a dif- 
SS  %, 
= a ‘i; 
, INY Ze 
7 << Mee 
WSK 
Brropsis Piumosa. 
ferent genus, Bryopsis plumosa. The tribe of which 
the latter is a member is remarkable for its delicacy : 
in the one now mentioned the main stem is very 
slender, set with horizontally-spreading branches, 
like a pine-tree, each of which is most elegantly fea- 
thered. Its colour isa bright grass-green, and the 
whole surface shines as if it were varnished. It is 
