^ 
the larger fuci: it is not uncommon about the | 
northern parts of the Britifh eoafts, and always pre- 
ferves its femicircular fhape. Its texture is much 
flighter than that of moft others of this genus, feem- 
ing to confift of fandy particles connected by an 
animal gluten: the cells or cavities, in which are 
fuppofed to refide the polypes, or fabricators of the 
maís, are rather large than fmall, and are not very 
deeply impreffed, but rather fuperficial. Its colour | 
is a pale yellowifh brown. 
