The occurrence of septate fibres in some New Zealand woods

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Abstract
Septate fibres were observed in the woods of 66 New Zealand species from 27 genera belonging to 22 dicotyledonous families. They were not observed in 73 species from 41 other genera. When present in one species, they were also recorded for all the other species examined of the same genus but not always for other genera of the same family. The septa were structurally similar, each septum forming a fine transverse partition across the fibre lumen and spreading out at its edges over the inner surface of the normal secondary wall of the fibre. Fine webs of wall material were often observed traversing the inner openings of the pit apertures in the septate fibres.