Zoology Publications from Victoria University of Wellington—Nos. 42 to 46
Plate II
Plate II
A: Tall, branched winter stems.
B and D: Short spring stems, with epiphytic diatoms.
C and E: Medium height spring stems.
F: Summer stems with epiphytic diatoms.
G and H: Autumn stems of O. geniculata. The epizooite is a species of Epistylus which is commonly attached to the erect stem at this season.