INTERNATIONAL BOTANICAL CONGRESS. 203 
Mr. James ANDERSON, Meadow Bank, Glasgow.—‘ Observations on 
the Temperature of TEM and sos Effects upon Plant Oabivanon: * 
Mr. 
, portance to ihe science of thes aos but rely foo much on routine, Mena d 
so with reference to the temperature of the air in plant-houses nd to that of 
the water supplied to the plants. He advocated the import: of DE 
water atleast as warm as the air, or a little warmer, ig eg haat tropical 
ially Orchi 
Phen paper was followed by an animated discussion, i at ng of Mr. 
rson’s views, in which Professors DavBENY (Oxford) and E Ape 
(Hamburg), and Messrs. BATEMAN, A. DE Moryey, and HowLETT took 
M. KnELAGE, Haarlem.—* On the Names of Garden Varieties and 
their Confused Synonymy, with special reference to Bulbous and 
Tuberous-rooted Plants.” 
Dr. DrcksoN, Edinburgh.—* On the Phylloid Shoots of Sciado- 
pitys." 
Prof. Caspary did not fully coincide in the view propounded by Dr. Dickson. 
Professor DE CANDOLLE, Geneva.—** Communication d'une mesure 
récente et trés-exacte du diamètre de l'un des grands Sequoia de Cali- 
TN 
RESIDENT exhibited a measure, on a long strip of sea of the trunk 
on sa of these gigantic trees, upwards of twenty-six feet in diameter. The 
rate of growth was Paare A noted by actual counting of "the annual rings, 
which amounted to about 
Professor Doman Hamburg, addressed the Congress on 
certain peculiarities in the structure of Orckideæ, and especially in re- 
gard to the branching of the spike. 
In the discussion that ensued on this subject, Mr. BATEMAN said that he 
had seen a branched spike of Odontoglossum grande, and Dr. Masters said he 
also had met with a similar monstrosity in Ophrys aranifera. 
Professor E. Morren, Liége.—“ Sur l'influence du gaz d'éclairage 
sur la végétation." 
Mr. W. G. SurrB, London.—* The Corona of Narcissus.” 
considered the cea of y Sareren to resinae ini tieni Ef conuent petal- 
stipules, having the a six stamens and six petals rest of the 
Amarylli idacee. See a p. 169. 
The President then ar the Congress at an end, on which Mr. 
Bennett, British Museum, proposed, Professor Daubeny, Oxford, se- 
conded, and Dr. Schulz-Bipontinus supported, a cordial vote of thanks 
to the President. 
