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Volume 85, 1957-58
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7. Genus Acrobolbus Nees

Acrobolbus cinerascens (L. et L.) Steph. Text-fig. I, Fig. 7.

Jung. cinerascens L. et L., Pug. iv, 46, 1832, in G. L. et N., Syn., Hep., 178, 1845.

Gymnanthe cinerascens Mitt. Fl. Tas., 229, 1860.

Acrobolbus (sub-genus Marsupellopsis) cinerascens Schiff. Hep., Eng-Prantl Natürl. Pflanzenf., 1893.

Marsupellopsis cinerascens Berggr. N.Z. Hep., 1898.

Acrobolbus cinerascens Steph. Spec. Hep., ii, 176, 1906 Rod., Tas. Bry., ii, Pps. & Proc. Roy. Soc. Tas; Hodgson, N.Z. Hep. V, Trans. Roy. Soc. N.Z., 76, 83, 1946.

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This species is recognized by the pale-coloured, unequally bilobed leaves, on creeping rhiziferous stems with minute underleaves, both leaves and stem being covered with papillae. The ♂ inflorescence, as seen on specimens from Port Pegasus, Stewart Island, W. Martin, 627 and C. Smith, 47, consists of 2–3 pairs of terminal, saccate, leafy bracts, each containing 1 antheridium 0.15 mm across, the sac being formed by the smaller dorsal lobe being folded upwards. Some of these antheridia are tinted pink.

Another new locality is. on dead wood, Hari Hari, Westland, coll. J. B. Langridge, comm. K. W. Allison, H3059.

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