10 LINN US, 
wishes by enriching him with books and supply- 
with these English naturalists in terms of the 
most sincere friendship. 
During this excursion Linnzus had greatly en- 
d 
means of his English friends -he formed a corre- 
spondence with an American botanist, John 
Barham, of Philadelphia, whom he styled the 
greatest natural botanist in the world. He now 
completed the fine collection of his patron, and 
published the “ Hortus Cliffortiana,”’ brought out 
= occupied, to neers his ‘Critica Botanica,’’ 
‘Genera planturum 
Hoewitisteniling his detttsitng health, owing 
to application and study, he remained a few 
months longer in Holland and arranged the 
botanic garden at Leyden, and at the same time 
composed and printed his ‘‘ Classes Plantarum,” 
which is a complete view of all the botanical 
systems ever known, assisted Dr. Gronovius with 
the ‘Flora Virginica”’ and superintended the 
printing of the Ichthyologia of his deceased 
friend Artedi. 
Linnzeus was one of the few friends that the 
great Dr. Boerhaave would allow to see him on 
his death bed. Linnzeus himself relates the last 
