INTRODUCTION. Ixiii 
the mountains, on a hot sultry day, to view the cataract 
of Yellala, which after a good night’s rest, was entirely 
removed. Lockhart the gardener was on his legs every 
day, from morning tll the evening, scmetimes heavily 
loaded with the plants he had collected ; yet he proceed- 
ed to the farthest point, and returned to the ships, with- 
out experiencing an hour’s illness, and found the climate 
the whole way remarkably pleasant. Being drenched 
however with rain in the lower part of the river, he took 
the fever, and was left in the hospital at Bahia, with the 
serjeant of marines, both of whom were so much reduced, 
as to leave little hope of the recovery of either. Lockhart 
however survived, and is now perfectly well in England ; 
but the sergeant died almost immediately after the sailing 
of the Congo. 
Mr. Cuerien Smrru, the son of a respectable land- 
holder, ne:r the town of Drammen in Norway, was born 
in October 1785. He was educated at the school of 
Kongsberg, and finished his studies at the university of 
Copenhagen; where, under Professor Hornemann, he ac- 
quired a taste for botany, and particularly for that branch 
of the science, of which his native mountains afforded such 
ample resources,—the mosses and lichens. Though atan early 
period of life, he had distinguished himself in the study of 
medicine, and had the care of the sick in the great hospital 
at Copenhagen, he could not resist the temptation of 
accompanying his friends, Hornemann and Wormskiold on 
a bot anical tour into the mountains of Norway. In the early 
part of this tour, the war, which broke out in 1807 be- 
tween Sweden and Denmark, recalled his companions, and 
