LESSONS ON" COTTON FOE RURAL COMMON SCHOOLS. 3 



references. Then have the pupil bring from the home farm that 

 plant which he thinks approaches nearest to his ideal cotton plant 

 for use in the lesson on judging cotton. 



References} — Bureau of Plant Industry Bui. 163; Office of Experi- 

 ment Stations Bui. 33, jyp. 197-224 (these two bulletins are procurable 



Fig. 2.— Durango. 



only from the Superintendent of Documents, Government Printing 

 Office, Washington, D. C, at 25 cents and 60 cents, respectively); 

 Farmers' Bui. 601, pp. 3-5; U. S. Dept. Agr. Yearbook 1902, pp. 

 365-389. 



i The references in this bulletin are to publications of the U. S. Department of Agriculture unless other- 

 wise specified. 



