CONTENTS OF VOL. VI. 
NUMBER XXXIV. 
Page 
I. On early Contributions to the Flora of Ireland; with Remarks on ( 
Mr. Mackay’s Flora Hibernica. By the Rev. T. D. Hincxs, LL.D., 
Seas dor actctvapersnnbooverssanntsnssecscscencons eiaaeansancdnssinnss wee 2 
II. On Spheronites and some other genera from which Crinoidea 
eriginate. By L. Von Bucu ......... hee A eKees cd shun basen cdtantngeens ras 12 
III. Catalogue of the Land and Freshwater Mollusca of Ireland. 
By Wm. Tuomrson, Vice-President of the Natural History Society of 
kata cnn enc ivscsnoscesecsasscsbegsosssceseaspsevssenisee ‘asseages 16 
IV. Observations on Spiral Formations in the Cells of Plants. By 
Dr. M. J. Scuteren, Professor of Botany in the University of Jena 
NS chine csi ccd do ghdus cin oh snngued aos ovcotonbacess ce seekass shesvaves {OO 
V. Characters of new Genera and Species of New Holland Cype- 
race@, Restiacee, and Juncacee. By Prof. C.G. Nees von [isenpecx. 45 
VI. On the Structure of the Stigma in Mimulus and Diplacus.. By 
TRIE REM DERHON (ccd s e805 esis sc ecdesanssannpeessdenceydedacecias venues 51 
VII. A Note upon the Genus Decaisnia, Ad. Brong. By Professor 
BSS Cbd vin Gn oe aete éwadv anise a covaaccivessvsocebensseevsstehs ‘tere 52 
VIII. On a new British Species of Colymbetes. By Cuaruzs C. 
Massmoren, aq., M.A., F.L.S., F.G.S., Gc. occ. ccecseseessvensenceviooees 53 
IX. Additional Observations on the Gemmez of Polygonum vivipa- 
rum. By Grorce Dicxiz, Esq., A.L.S., Lecturer on Botany in the 
University and King’s College, Aberdeen..,......scsscssssescssccsesscesvons 55 
X. On Lychnis diurna and vespertina of Sibthorp. By CuaruesC. 
meron, fed., MLA., B.LS., F-GiS., Se. oo ccccseecscsscccvecsecsccces 56 
XI. Some Observations on the Origin and Direction of the Woody 
Fibre of the Stems of Palms. By Grorce Garpner, 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. Lertcuron, Esq., B.A., F.B.S.E., &c. 
On the mode of Growth of the Ophioglosse@. By Auex. Braun.... 62 
Proceedings of the Geological Society; Zoological Society ......... 62—71 
On a white variety of the Hyacinth and Columbine; On a Species of 
Balenoptera 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 linearifolium in 
England; Temperature of Vegetables; Micrography— new ob- 
