238 ON THE INFLUENCE OF THE AUSTRALIAN CLIMATE 
only be derived from the grasses and vegetable matter consumed 
by thesheep. It contains a great quantity of potash, and if the 
food be deficient in that substance, the flocks cannot thrive and 
produce good wool. 
t 
a list made out by Linneus, in Sweden, of the grasses. 
that country, it appears that there are 387 different varieties, 
not less than 141 of which sheep will not touch, A ls 
lume of the Ament 
of the grasses will be found in the second vo 
5 in these 
tates Academicie. There are scores of indigenous st 
Colonies that sheep refuse to eat. If not poisonous, they are ® 
nsuited to thet 
so that they might do their best to eradicate them. Ifa ; pak 
Agriculture should ever be established in the bese? 4 
a 
study of the grasses will form part of the ber ator ; a nd 8 
wool, requiring very little washing. The amount 0° tog 
extracted from a run by a flock in the course of a ypu ® E 
however, be something enormous—in some instances ges 
