344 THE JOURNAL OF BOTANY 
om ce Samael ion, 2. é., Open canopy conditi tions. On the 
other hand, it may be found anywhere and eve rywhere when the 
circumstances are suitable, even on the decaying capping of old 
mud-topped walls. 
L. album is Mr. Dunn’s own chosen illustration in his preface. 
Any other species found on the varying soils of penonnaiine would 
have been the same to.me. I have the facts about them all, even 
clear that finer tote aS be drawn. Stockin ng and over- 
shadowing, for instance, for L. album. ae the case of Ballota I 
have not yet discovered what are the critical conditions. My 
Alien Flora— A species which exists in pice wild and natural 
para 
Let us took with unbiased vision at the facts found in an old 
country like England. I will take Lincolnshire in illustration, 
because I know it better than any other part of the count 
ren 
dating from 1797—that Seale has peoome more or oa arti- 
Ci Why not 
Yet with definite human characteristic ae from the 
reclaimed ils and drained peat to the highest point of the wold 
i bo 
