THE AMATEUR’S SYNOPSIS 
OLIVE SEA-WEEDS. (Melanosperms.) 
FLAT, 
with a Midrib. 
Leathery ; slimy. 
Narrow ; branched in a forked manner; air-vessels, inflations in 
the frond ......... 
Membranaceous. 
Narrow; forked; marked by dots (when in fruit) 
Long ; narrow (in proportion) ; leaf -like ; stalked 
without a Midrib. 
Leathery; slimy. 
Broad expansions ; spreading from thick stalks ; variously slit . 
Membranaceous. 
Long ; narrow (in proportion) ; ribbon-like ; stalked 
,, „ „ tubular, though compressed ; 
surface speckled with dots ...... 
Leaf-like ; tapering to the base ; ,, . . 
Fan-shaped, or circular ; margins curled; marked by concentric 
lines .......... 
,, margins flat ; „ but the lines obscure 
Spreading fan-wise ; irregularly slit ; tips bluntly cut ; marked 
by both lines and dots . 
Much and irregularly slit; tips torn, pointed ; speckled with dots 
Narrow ; forked throughout ; root woolly .... 
Leaf-like stem and branches, tapering to each end ; branches 
opposite ......... 
Very narrow ; irregularly forked ; young shoots springing from 
blunt tips ......... 
Extremely narrow stems and branches (thread-like) ; thorny ; or 
fringed with bright green tufts ..... 
CYLINDRICAL {thread-shaped). 
iinjointed. 
Tough ; leathery. 
Thick, long, slimy, unbranched ; tapering to each end 
Shrub-like stems and branches ; bearing narrow mid-ribbed 
leaves and berry-like air-vessels ..... 
„ „ „ flattened ; narrow ; at one level 
throughout ; air-vessels pod-like ..... 
„ „ „ flattened ; growing all ways ; 
very bushy ; air-vessels oval inflations .... 
Thick, sometimes flattened stems; forked; air-vessels large oval 
inflations ......... 
Genus. Fam. 
Fucus 
I 
Haliseris 
IV 
Alaria 
III 
Laminaria 
III 
Laminaria 
III 
Asperococcus 
IV 
PUNCTARIA 
IV 
Padina 
IV 
ZONARIA 
IV 
Taonia 
IV 
CUTLERIA 
IV 
Dictyota 
IV 
Desmarestia 
II 
Carpomitra 
II 
Desmarestia 
II 
Chorda 
V 
Sargassum 
I 
Halidrys 
I 
Cystoseira 
I 
Fucodtttm 
I 
