190 NEW ZEALAND PLANTS. 
ravages of aphides and diamond-backed moths, and consequently 
winter catch-cropping with forage oats is practised. Owing to the 
somewhat severe winter, many garden-plants which succeed well 
farther north, or even farther south, cannot be successfully grown. 
ee 
Piece of Carmichaelia Petriei, showing the spinous branchlets, 
rigid habit, and absence of leaves. 
[Esmond Atkinson del. 
The North Otago Botanicai District is distinguished from all the 
other districts of New Zealand by the extreme degree of adaptations 
against drought reached by certain of its plants—e.g., Carmichaehia 
