12 A MANUAL OF WEEDS 
matter of sowing impure seed. The labor and care required to 
remove all seeds of an undesirable kind, differing as they do in size, 
form, and weight, makes both “grain-seed” and “grass-seed” of 
first quality very expensive; but in the end it is the cheapest of all, 
and no other should be sown. Its extra cost is never so great as 
to overbalance the loss from weed-starved crops, requiring extra 
labor to harvest, to say nothing of infesting the land itself with some 
long-lived nuisance which it may take years to destroy. If evera 
man may be characterized as “ penny-wise and pound-foolish”’ it is 
the farmer who, from ill-advised motives of present economy, 
would so wrong his own property and endanger all neighboring 
possessions. 
