T11E 
P R E F A C j:. 
Full many a flower is born to blush unseen, 
And waste its sweetness on the desert air.— 
Gray. 
J3oTANISTS have invariably been ac¬ 
customed to publish national or provincial 
Floras, according to the extent of those 
limits within which their personal research¬ 
es have* been exercised. In no country 
however, has indigenous Botany been pi*o- 
secuted with more elaborate investigation 
than in Great Britain. We can adduce 
the venerable names of Ray, Dillenins, Hud^ 
son, Lightfoot, Withering, Curtis, Rclhan, 
