148
A. D. BONEY
FIQ. 8. Apical region of frond of Macrccystwpyrifera showing mode of origin of the blades,
and young blades with basal pneumatocyst an3 fringed margin. Scale line = 15 om.
mechanical cutting of the branches floating on or near the surface
(Tseng, 1947). If harvested at suitable intervals there is no evidence of
any excessive fall in the standing crop; Cribb (1954) suggested that in
Tasmania the stipes cut 3 f t below the surface at 4-monthly intervals
would enable growth of the plants to make good the loss through
A. D. BONEY
FIQ. 8. Apical region of frond of Macrccystwpyrifera showing mode of origin of the blades,
and young blades with basal pneumatocyst an3 fringed margin. Scale line = 15 om.
mechanical cutting of the branches floating on or near the surface
(Tseng, 1947). If harvested at suitable intervals there is no evidence of
any excessive fall in the standing crop; Cribb (1954) suggested that in
Tasmania the stipes cut 3 f t below the surface at 4-monthly intervals
would enable growth of the plants to make good the loss through