/ 
Plate XXL 
Fig. 91. ECTOCARPUS CRINITUS. 
Colour. When fresh, “bright bay;” when dried, a dull but rather pleasant green, with a 
slight gloss. 
Substance. Moderately firm. 
Character of Frond. Tufts of jointed threads {filaments') lying on the mud in extensive 
fleecy strata. Filaments slightly and distantly branched. Branches long ; nearly 
simple. 
Measurement. Filaments about 2 inches long. 
Fructification. External seeds {spores) borne on the branches. Spores globose ; scattered ; 
unstalked {sessile). Rarely found. 
Habitat. Appin. Capt. Carmichael. Watermouth, Devonshire, Mrs. Griffiths. On muddy 
sea-shores. Rare. 
Fig. 92. ECTOCARPUS PUSILLUS. 
Colour. Pale brown ; sometimes drying rather greener. 
Substance. Soft ; delicate. 
Character of Frond. Tufts of jointed threads {filaments) ; “ like pale brown wool.” Filaments 
simple, or slightly and distantly branched ; interwoven. 
Measurement. About an inch long. 
Fructification. External seeds {spores) borne on the filaments. Spores roundish oblong ; often 
two or three together ; plentifully scattered. 
Habitat. South coast of England. Parasitical on several of the smaller algae. Rare. 
“ A connecting link between the simpler and more branching species. . . . Almost always 
found with fruit.” — Harvey. 
41 
G 
