DUBLIN UNIVEESITY ZOOLOGICAL AND BOTANICAL ASSOCIATION. 131 
Orthotrichum phyllanthum {Br. and Schemfer). 
Now found to be a most abundant species in Ireland, though always 
barren. 
Orthotrichum tenellum {Bruch). 
Lately found by Mr. D. Orr, on birch trees near the head of Ballini- 
scorney Glen, county of Dublin. The other habitats known for this 
plant are in the counties of Kerry and Galway. 
Bryum torquescens {Br. and Sch.) 
This beautiful moss has been found to grow in considerable abun¬ 
dance on the tops of walls near Abbotstown, county of Dublin, by Mr. 
D. Orr. Probably not rare in Ireland. 
Hypnum gla/reosum {Bruch). 
One of the commonest mosses near Dublin, though only one solitary 
habitat is given for it in “ Flora Hibernica,” in Lough Bray. 
Mr. John Bain, Curator, College Botanic Gardens, exhibited a very 
beautiful variety of an Athyrium —— {?) discovered by a lady in the 
county of Wicklow. 
Mr. D. Moore exhibited a series of Hylurgus piniperda , from the 
Botanic Gardens of the Boyal Dublin Society, at which place they were 
very destructive to the pines. 
The Members then proceeded to ballot, Dr. Daniel acting as Scruti¬ 
neer, when J. T. Banks, M. D., was declared duly elected. 
FRIDAY EVENING, MARCH 19, 1858. 
Peofessoe W . H. Haevey, M.D., E.L. S., Yice-Peesident, in the Chair. 
Minutes of former Meeting having been read, were approved of, and 
signed by the Chairman. 
Peofessoe J. Beat Geeene read the following paper:— 
on the genus luceenaeia. 
The genus Lucernaria was founded by 0. E. Muller for the reception 
of certain marine zoophytie forms supposed to be nearly related to Ac¬ 
tinia. All the species which it includes are of a gelatinous consistence, 
and more or less campanulate in form, having the narrow extremity of 
the body attached to the submarine objects by means of an adherent 
disc, while the opposite (or erect) aspect is surrounded by numerous 
short tentacula arranged in tufts round the margin of a saucer-like 
cavity, in the centre of which the mouth is situated. 
Eive species have been recorded as inhabiting the shores of Bri¬ 
tain, viz.: — 
