264 CHAP T E R 20. 
that ineftimable work, the *^ Hortus 
M AL AB ARicus,'' had appeared : Brey* 
Nius, H?:rman, Tournefort, Plu- 
MiER, Plukenet, Boccone, Comme- 
LINE, BOBART, CuPANI, VoLKAMER, 
and RiviNus, had enriched botany with 
valuable performances, Thefe large aug-- 
mentations to the fcience induced Mr, 
Ray, notwithftanding his advanced years 
and ill health, to attempt a colle(5lion of 
thefe fcattered materials, in order to form 
a fupplemental volume to his " Hif-- 
tory and his induftry enabled him to 
efFedt his purpofe. Additional to the affift- 
ances derived from all thefe printed works, 
he had accefs, by the favour of Sir Hans 
Sloane, to the MS. of his Hiftory of 
Jamaica Plants" (of which the Pro-^ 
dromiis'' had been publi£hed in 1696) with 
liberty to fele£l what he thought proper to 
his defign. 
From the fame gentleman he enjoyed the 
benefit of an Herbarium of feveral hundred 
new and undefcribed plants, collefted inikfc- 
ryland, by Mr. Vernon and Mr. Kreig, 
\vho had made a voyage thither for the 
fplq 
