NOXIOUS WEEDS. 157 



to use it for ice and spawning beds ; the young fish will be free 

 to go out after the Spring floods are over into a small stream 

 near by, where they will be able to take care of themselves. 

 More elaborate arrangements are necessary for raising fish on 

 scientific principles, but any farmer who has a spring that can 

 be dammed up, in a location where the surface water can not 

 wash in dirt and sediment, can have a fish pond. 



LORENZO D. WHITING, 



yiSKILWA, BUREAU COUNTY. 



Noxious Weeds — Canada TJusiles, Quack Grass and WJiite 

 Daisies — Urgent and Prompt Necessity for their Extermination 

 — How It Can Be Done — The Switch Gate — Stanchions 

 For Coivs — Yard For Winter inj Stallion. 



NOXIOUS WEEDS. 



That Illinois may lead the world in agriculture follows 

 from the fact that nature and circumstances have combined to 

 give her many advantages. In constructing a ship, great care 

 is used to exclude any material which tends to weakness and 

 decay. In the same spirit, aroused to the utmost, we should so 

 prosecute our agriculture as best to preserve our lands from 

 contamination, and transmit them unimpaired and improved to 

 our successors. 



There are certain noxious weeds which are a bane to agri- 

 culture, and if once well established may be set clown as 

 fixtures. The cockle burr and Indian mallow (sometimes 

 called "cotton weed," " velvet weed," and "stamp weed,") 

 may be considered as belonging to this class, and these are 

 already sprinkled over much of our State. 



But we are now threatened with others more dangerous 

 and damaging. Canada thistles, quack grass and white daisies 

 are a brood more to be dreaded, and they are just peeping over 

 the border loncringf for a lodsiment in our fair fields. Canada 

 thistles have been prospecting here for some time, and a few 



