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CONTENTS OF VOL. VI. 



NUMBER XXXIV. 



I. On early Contributions to the Flora of Ireland ; with Remarks on 

 Mr. Mackay's Flora Hibernica. By the Rev. T. D. Hincks, LL.D., 

 M.R.I.A 1 



II. On Sphceronites and some other genera from which Crinoidea 

 originate. By L. Von Buch 12 



III. Catalogue of the Land and Freshwater Mollusca of Ireland. 

 By Wm. Thompson, Vice-President of the Natural History Society of 

 Belfast 16 



IV. Observations on Spiral Formations in the Cells of Plants. By 

 Dr. M. J. Schleiden, Professor of Botany in the University of Jena 

 (With a Plate.) 35 



V. Characters of new Genera and Species of New Holland Cype- 

 racecs, Restiacece, and Juncacecs. By Prof. C. G. Nees von Esenbeck. 45 



VI. On the Structure of the Stigma in Mlmulus and Diplacus. By 

 Mr. Joseph Henderson 51 



VII. A Note upon the Genus Decaisnia, Ad. Brong. By Professor 



LfNDLEY 52 



VIII. On a new British Species of Colymbetes. By Charles C. 

 Babington, Esq., M.A., F.L.S., F.G.S., &c 53 



IX. Additional Observations on the Gemmae of Polygonum vivipa- 

 rum. By George Dickie, Esq., A.L.S., Lecturer on Botany in the 

 University and King's College, Aberdeen 55 



X. On Lychnis diurna and vespertina of Sibthorp. By Charles C. 

 Babington, Esq., M.A., F.L.S., F.G.S., &c 56 



XI. Some Observations on the Origin and Direction of the Woody 

 Fibre of the Stems of Palms. By George Gardner, Esq., Surgeon ... 57 



XII. Excerpta Botanica, or abridged Extracts translated from the 

 Foreign Journals, illustrative of, or connected with, the Botany of 

 Great Britain. By W. A. Leighton, Esq., B.A., F.B.S.E., &c. 



On the mode of Growth of the Ophioglossece. By Alex. Braun.... 62 



Proceedings of the Geological Society; Zoological Society 62 — 71 



On a white variety of the Hyacinth and Columbine ; On a Species of 

 Balcsnoptera stranded on Charmouth Beach ; On Hybrid Phea- 

 sants ; On a specimen of the Shearwater Petrel, Kite, &c. ; Notes 

 on British Birds ; On the Discovery of Hypericum Unearifolium in 

 England; Temperature of Vegetables; Micrography — new ob- 



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