202 INTERNATIONAL BOTANICAL CONGRESS: 
flora, of which they gave a list of the more interesting species, and an accom- 
panying map to show their geographical apie -— The hum idity of the 
climate and its low —— dee necne the cle o be unfavourabl the 
Appended were some in sera returns sent in xd po SEES in the counties 
of Cork, Kerry, Galway, Mayo, aes and xam nagh, in answer to queries as 
to their — — fruit trees, and half-hardy eds and flowers. "These re- 
turns agree in showing that the eta of the southern and western counties is 
ill-adapted to the growth of fruit, but ia to that of evergreens 
Professor Lecog, Clermont-Ferrand.—1. ‘ Sur la culture et le mode 
Rempel du ence Byzantin.” 
Ad n of the plant, — E the method of cultivating it, was given. 
The author recommended ze eie in greenhouses and living rooms, its corms 
being concealed by Lycop 
2. * De la migration des Tenn des montagnes." 
The object of M. Lecoq was to show that the mountains of Kuvepee have 
received cd Alpine plants by the agency of birds and of wind, and not by a 
gradual migration during a supposed glacial piriod, the pihi of which he 
denies altogethe 
This nee. he m was, at the tertiary period, a vast plateau, with a mean 
altitude of 8-900 feet. Volcanic eruptions then inundated it it, ed its soil 
met: 
raised it in so laces 
clouds began to settle on the heights and snow to accumulate, md mami 
rable streams flowed from its icy summits, and by their murmurs seemed to 
call to a foreign be gery: ek come to enjoy these jane conditions. The hos- 
piane appeal was heard," 
e boreal species, n which h alone we are concerned, and a list of which, 
dua 104 in number, he e gave, could not, he said, have arrived till after the 
8, 
the Pyrenees, Lapland, or th untains of Grenada. But as all these species 
are either Alpine or Pyrenean, gra ine one ep exception of the Arabis 
ennensis, we may assume that th two great chains were the home from 
subo 
The intermediate e is low and flat, and — them no D: ; 
Darwin's theory of their progress by means of a glacial period he rejected ; 
concluded that they must erts] have been transported thither through tho 
air, and mainly by birds of passage and violent storms of w 
Mr. H. HowrETT.—“ On Night-covering and Shading of Plant and 
Forcing Houses.” 
Ea author’s ihe e is to combine Shading with night covering by means of 
_ to the roof. 
ed the great pania to be derived from the latter; and d that both 
may be d. by fitting on the roof a series of nore boards moved by 
singe mee os offered as affording ground for discussion, ‘but had 
. Howrzrr exhibited a model of the tus; in the diseussion which 
followed, it was generally thought that the light would be too much excluded 
by the apparatus. 
