The book Cocklebur was written by author Hansen, Albert A. [from Old Catalog] Here you can read free online of Cocklebur book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Cocklebur a good or bad book?
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'1, A single bur, showing the two hooked beaks at the apex; 2, a portion of the plant, showing the burs and the branches of the male flowers above the burs. unbranched, penetrating the soil frequently to a depth of a foot or more. Cockleburs are sometimes confused with burdock because of the resemblance of the burs, l)ut they may be easily distinguished by the Cocklebiir. r fact that the burs of cocklebur contain two seeds, while those of the burdock contam more than two. Also burdock bui-s do ...not possess the pair of hooked beaks usually found on the cocklebui'. DAMAGE. Aside from its general unsightluiess on the farm and the severe damage done to crops such as corn, cockleburs also occasionally kill swine and young cattle. Although fatal results are generally at- tributed to poisoning, there is little evidence to substantiate this theory. The harmful effects are largely due to the mechanical action of the spiny burs, which are injurious in several ways. These burs may (1) irritate the walls of the stomach, causmg inflammation and sometimes death; (2) lodge in the throat and thus choke the animal; or (3) clog the intestinal tract, frequently with fatal results.
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