188 THE LIFE AND WoRK OF GEORGE DON. 
Avena planiculmis. 
Rocks on the Clova mountains. I discovered this in 1808 ; 
till then it was unknown to British botanists. 
[This is Avena alpina, Sm.—G. C. D.] 
Arundo riparia. 
On the banks of a river near Montrose. New to Britain. 
[A form of Phragmites communis, Trin.—G. C. D.] 
Arundo stricta. 
In a marsh called the White Mire near Forfar. I discovered 
it in 1808. It has never been observed anywhere else in 
Britain. 
This is satin tees stricta, Nutt. = the Deyeuxia neglecta 
of Kunth.— D.] 
Rottboellia filiformis. 
On Goulon Links, East Lothian. 
[Lepturus filiformis, Trin.—G. C. D.] 
Rottboellia incurva. 
By the sea-side near North Berwick Law. 
[Lepturus filiformis, Trin.—G. C. D.] 
Triticum cristatum. 
On dry banks between Arbroath and Montrose, but rare. 
[Also a ‘‘var.” The latter appears to be a cultivated form of 
the former.—G. C. D.] 
Juncus filiformis. 
On the Sands of Barrie and near Montrose. 
[This is Juncus balticus, Willd.—G. C. D.] 
Juncus gracilis. 
The only place we are acquainted with Maan this rush 
grows in Britain is on the Clova mountains, but ra 
[This is a form of J. tenuzs, Willd.—G. C. D.] 
Juncus bulbosus var. 
Salt marshes. 
[Is Juncus Gerardi, Lois.—G. C. D.] 
