XLVI.—On Cyclostigma, a new genus of fossil plants from the Old Red Sandstone of Kiltorcan, co. Kilkenny; and on the general law of phyllotaxis in the natural orders Lycopodiaceæ, Equisetaceæ, Filices, &c

Samuel Haughton

Published in Annals And Magazine of Natural History, in 1860, in volume 5, pages 433-445

Date published:1860

DOI: 10.1080/00222936008697252
BHL: 2320933
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