166 SOME MARINE ALG# FROM NEW ZEALAND. 
One or 
antheridia, and as these organs seem not to be well known in the 
genus, and not at allin P. cuneifolia, Ladd a brief description. E 
rows of pollinoids appear to stretch in radial lines to the margin. 
The antheridium ends in a narrow projection, which is split up at 
the apex into three or more teeth. he whole antheridium 
appears to drop off, for behind the last antheridium on a given 
branch each foliar appendage is single, but has the stump of the 
antheridium still prominent, 
ONTA DENDRITICA Ag. ; Harvey, Ner. Austr. p. 47.—Thi 
present collection as an epiphyte on Gigartina stiriata and G. 
radula. In describing the species, Harvey (/.c.) states that the stem 
is triply pinnate, ‘“ pinnge alternating with subulate ramuli elongate 
patent, bipinnate ; the pinnules in like manner alternate with sub- 
ramuli.” He adds, “Iam not certain whether this be the plant 
feared to quote Montagne’s Orb, Voy. Patag. p. 6, tab. 4, whose 
figure, taken from the Patagonian specimens, differs from my plant 
i in the 
description of the Brazilian form (Syst, 104), —- In- 
ordinate ramosa, pinnis simplicibus compositisque intermixtis.’ 
These authors add, — « We consider 8 apparent, not real, 
