228 



COMMON WEEDS 



Bracken forms an excellent litter for cattle, horses, 

 and pigs, and has been found quite useful on occasion 

 for fodder. It has also been successfully converted 

 into silage, and has a high manurial value when used 

 as a litter, comparing with wheat straw as 150 to 



100. 



EQUISETACE^: 



Horse-tail (Equisetum arvense L.), known also under 

 the various names Mare's-tail, Cat's-tail, Toad-pipe, 



Photo, 1909. 



/. C. Varty-Smith. 



FIG. 71. Horse-tail (Equisetum arvense L.), showing barren stems 

 and creeping rootstock. 



Paddock-pipes, is a common and serious pest of both 



1 Jour. Bd. Agric., Oct. 1908, p. 487. (See also Jour. Board of Agric., 

 Oct. 1908, p. 481 ; and P'eb. 1909, p. 844; M'K. in The Scottish Farmer, 

 Nov. 14, 1908; Report of a Lecture by Mr. A P. M'Dougall, ibid., Dec. 12, 

 1908, and subsequent correspondence ; J. S. in The Field, Nov. 16, 1907.) 



