94 NEW ZEALAND PLANTS. 
abundant, and a mark of “good country.” But it has been 
eaten out years ago, and is now to, be found only in inaccessible 
spots—a tribute to its palatability. In the subalpine belt, especially 
of Central Otago, the Mackenzie country, and parts of Marlborough, 
the broad-leaved snow-grass (Danthonia flavescens) is dominant in 
many places. This is probably the most palatable of all the 
tussocks. On the other hand, Danthonia australis is probably 
absolutely worthless. So, too, is the mountain-twitch (T'riodia 
exigua) of the stony river-valleys. 
