New Zealand Journal of Marine and Freshwater Research abstracts

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The structure and development of hairs on the thallus of Gelidium caulacantheum J. Ag.

F. I. DROMGOOLE W. E. BOOTH

Botany Department University of Auckland Private Bag, Auckland New Zealand

Abstract In Gelidium caulacantheum unicellular hairs are characteristically developed at apices and most are lost later as the thallus matures, leaving a persistent hair scar. The structure of the hairs, reported for the first time in this genus, is identical to that described for other Gelidiales. Some possible roles of these structures are discussed in relation to their frequency and persistence in material from natural habitats, and in response to some experimental treatments.

Keywords Gelidium caulacantheum; Gelidiales; thallus surface; thallus hairs; macroalgal morphology

New Zealand Journal of Marine and Freshwater Research, 1985, Vol. 19: 43-48 Received 7 September 1984; accepted 1 November 1984

PDF file of entire paper: medium quality (1348K); (scanned from paper original: notes about this process)

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