John/on. 1 33 
difcovering the rarities of that country in 
the vegetable kingdom. The journey feems 
to have anfwered his purpofe, and afford-, 
ed him a rich harveft. In this expedition 
he firft found the yellow poppy, papaver 
cambricum : mountain faw-wort, ferratula 
alpina: rofe-root, rhodiola rofea ; and feveral 
other plants. 
I cannot afcertain the age of Johnson 
at his death, but there is reafon to think he 
could not be far advanced in life, if indeed 
he was arrived at the meridian of it, I 
ground my opinion on the circumftance of 
Lobel's total filence relating to him, in 
his Adverfaridy printed in 1605. En^ 
gaged as Johnson was, in the exercife of 
a profeffion, which, independent of the 
Calls of duty, demands much facrifice of 
time, to the forms and civilities of life, 
his Herbal is an ample teftimony of zeal 
and induftry, I do not find that he was 
the author of any other publications, than 
thofe, of which I have given fome account % 
but, he tranflated. the works of Ambrofe 
Parey, which he publifhed at London in 
1643, They were reprinted, if I miftake not, 
K 3 for 
