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Zoology Publications from Victoria University of Wellington—Nos. 42 to 46

Summary

page 10

Summary

(1)The status of the New Zealand species of the family Solanderiidae is discussed, and material from Auckland and Wellington Harbour is recognized as Solanderia misakinensis (Inaba, 1892).
(2)It is concluded from a study of the internal morphology of the Auckland Harbour specimens that,
(a)the skeleton is of ectodermal origin
(b)the branches of the colony are fasicled structures consisting of a central coenosarc tube (corresponding to a hydrocaulus) which branches, and which anastomoses with its own branches and with hydrorhizal elements of the stem. These latter elements also branch and anastomose with each other.
(3)The method of growth of the colony is "secondary monopodial". That is, the hydrocaulus and its branches end in permanent growing points, and elongate by budding off polyps and other branches laterally.