212 C H A P T E R 43- 
diligent refearches and accurate difcrimlna- 
tions of the Rev. Mr. Relhan. 
HisTORiA Plantarum rariorum 
Decades quinque, Fol. max. 1728 — 1732« 
This was the moll fumptuous and magni- 
ficent work of the kind, that had ever been 
attempted in England. It was dedicated 
to the Royal Society, and was defigned to 
contain fuch curious plants, as had not been 
figured before, in their natural fize and co- 
lours ; with the defcriptions, and the cul- 
ture and ufes. The extraordinary expencc 
of this work prevented its progrefs. The 
plates were mezzotinto, and printed in pro- 
per colours. Thefe Decads, among many 
other rarities, contain feveral Gerania, the 
Milleriay Martyniay Gronovia, Turnera, fe- 
veral Pajijiorcey CaJJice^ and many North- 
American plants. 
In 1729, having entertained a defign of 
reading a courfe of leftures 2itOxford, hepub- 
liflied The firft Ledlure of a Courfe of Bo- 
^'^^ tany, being an Iritrodudion to the reft." 
8^ 1729. pp.24, tab. 84. It is an explana- 
tion of the technical terms of the fcience. 
la 
