AGG PRINCIPLES OF BOTANY, BYR, 
de Vergennes, through Asia Minor as far as thé 
Caspian Sea. He left Marseilles, November 19, 
1786, and arrived in Syria, in February, 1787.. 
The plague, however, which then raged in those 
countries which he intended to visit, obliged him to 
alter his plan, and to confine himself to Syria only. 
Fifty or sixty new discovered plants he has begun. 
in a masterly manner to describe in a particular 
work *. ) ; 
Martin Vahl, Professor at Copenhagen, has tra- 
velled through the greatest part-of Europe, and 
North Africa. The Arabic plants of Forskool, as 
well.as those of the West Indies, which his friends 
Rohr, Ryan, and West collected, many East Indian 
plants, and a great many discovered by himself, are 
communicated to us in his writings]. Vahl has 
shewn himself one of the greatest botanists of the age. 
Frederic Stephan, Professor and Counsellor at 
Moscow, born at Leipzig, has published a Flora of 
Moscow, and he has promised an elegant work on 
new Asiatic plants{. 
* J. J. Billardiere, M. D. Icones plantarum rariorum Syriae 
descriptionibus et observationibus ilustratae. Parisiis. Decas I. 
1791, Decas Il. 1791, ato. The plates and descriptions are 
excellent. It isa. pity that no more has been published. 
+ Martini Vahl Symbolae plantarum. Pars I.---III.  Haf- 
niaé, 1790---1794. fol. Each volume has 25 plates; all three, 
therefore, 75. 
Ejusd. Eclogae botanicae. Fascicul. 1. Hain. 1796. fol. 
with 10 plates. 
{ F. Stephan ‘enumeratio stirpium agri Mosquensis. Mos- 
qiiaes 1762. 8vo. 7)” 
Ejusd. Icones plantarum Mosquensium. Decas I. Mosquae. 
1495. fol. 

