234 SEAWEEDS 
divide and branch repeatedly, and so produce a 
body of cells enclosing the carpogonial branch. 
By division and growth of the cells that envelop 
this procarpium there is formed the wall of the 
more or less globular fruit, perforated at the apex 
Fic. 76. — Cliftonwa pectinata Fic. 77.—a, Diagram of procarp in 
natural size. Rhodomelee (b is the axial cell, a is the 
cell from which the carpogonial branch 
eeec arises, and d isa branch cell which 
gives rise to sterile filaments); b, car- 
pogonial branch of Polysiphonia (after 
Schmitz); e, Dasya elegans reduced. 
and enclosing the gonimoblast. The gonimoblast 
is commonly a much suppressed tuft of cells on the 
upper, arched surface of which the carpospores are 
borne. These are generally ovate or club-shaped, 
