346 THE JOURNAL OF BOTANY 
(9.) Stream-banks. : 
(10.) Moorlands (7. e., where Calluna, Erica, Pteris, &c., are 
the predominant species). 
|} Broken ground (whether natural, as on escarpments, 
stream-sides, or caused by man—but not for cultivation). 
( es or ponds. 
(13.) Streams (rapid or slow). 
(14.) Sand-dunes (inland or marine). 
(15.) Salt-marsh (natural or artificial). 
(16.) Elevation (above Ordnance datum). 
Many other clever distinctions could be made, but the fewer 
as a species 
England, that the terms “ aboriginal,” “ native,” or “indigen us,” 
used of modern conditions, simply lead to mental confusion instead 
of perspicacity in definition. It proves much more, but enough 
i being. 
Let me add here in conclusion, lest I should be mistaken, that 
thod. The Alien Flora contains a mass of most valuable infor- 
mation, and I, like many others, thank the author for it. 
