110 
JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
sprig of the Princess Royal’s marriage bouquet, January 25, 
1858. 
On August 19, 1879, Prince Alfred of Edinburgh planted at 
Swiss Cottage an Arthrotaxis selaginoides and Princess Marie 
of Edinburgh an Arthrotaxis Gunneana. 
The Due de Nemours planted, in 1848, a Cryptomeria 
japonic a. 
An Abies pinsapo, planted by Her Majesty the Queen, May 24, 
1849, is now over 40 feet high and about 8 feet in circumference. 
The Maharajah Dhuleep Singh planted a Cedrus deodara, on 
August 24,1854, on the garden lawn. 
The Emperor of the French planted an Abies nobilis, and the 
Empress of the French an Abies pinsapo, on August 8, 1857, on 
the lawn. 
H.I.H. Archduke Ferdinand Maximilian of Austria, after¬ 
wards Emperor of Mexico, planted a Thujopsis borealis and 
H.I.H. the Archduchess Charlotte of Austria, afterwards 
Empress of Mexico, a Cupressus Lawsoniana, on August 8, 1861. 
The King of Sweden planted at Swiss Cottage, on August 14, 
1861, a Pinus radiata. 
H.R.H. the Prince of Wales and H.R.H. the Princess of 
Wales each planted an Abies pinsapo at Swiss Cottage two days 
after they were married, namely, on March 12,1868. 
Altogether there are something like two hundred and fifty 
memorial trees, each one recalling some person or event of 
interest. 
WIDTH OF TIRES ON WAGON WHEELS. 
Report of Experiments in America. 
The width of tire on wagon wheels which is most conducive to 
easy draught is a problem of the highest practical importance, for 
on its solution may depend the saving of a considerable sum on 
the year’s labour bill. Estimates made by General Roy Stone put 
the total wagon transportation in the United States at about 
500,000,000 tons, the public roads having an aggregate length of 
1,500,000 miles. The average distance of haul is put at eight 
miles, and the average cost of transporting one ton this length 
is assumed to be $2, making the total yearly cost for wagon 
