856 THE JOURNAL OF BOTANY 
ORIGIN OF THE DEADNETTLES IN BRITAIN.* 
By §. T. Dunn, B.A. 
Seven species of Deadnettles have been recorded for the British 
flora, and for the purposes of the present paper they may be placed 
in three groups according to the kind of situations in which they 
ro 
w. 
(1) In the first group Lamiwm Galeobdolon stands alone, because 
it i mber of the genus which naturally in- 
ly by 5 
the White Deadnettle (Lamium album), the Purple Dead- 
nettles (L. purpureum and L. inciswm), and the Henbit 
Deadnettles (L. amplexicaule and L, intermedium). 
To begin with the first group, it is necessary to enquire what is 
the present distribution of L. Galeobdolon (Yellow Archangel), for, 
before determining whence a plant has spread, it is of course 
century herbalists, there is no means of determining the presence 
* Reprinted by permission from the South-Eastern Naturalist for 1901. 
