U. S. DEPARTMENT OF AGRICULTURE.j 



BUREAU OF PLANT INDUSTRY BULLETIN NO. 102. 



B. T. GALI.OWAY, thuf nf linreau. 



MISCELLANEOUS PAPERS. 



L SUMMARY OF RECENT INVESTIGATIONS OF THE VALUE OF 

 CACTI AS STOCK FOOD. 



By DAVID GRIFFITH.*^, Amslunt Af/roxtologiM, 

 and R. F. IIAKE, (IwiniM, Xen- Mcjiro Collror of AgrimUiire and Mechanic Arts. 



II. A SUCCESSFUL DAIRY FARM. 



By L. G. DODGE, Scientific Assistant. ^'BRARY 



III. PLANNING A CROPPING SYSTEM. ^^^ "^^^^ 



ByW. J. SPILLMAN, .lf/nVurt»ra<. ^'"'ANlCAL 



IV. THE APPLICATION OF VEGETATIVE PROPAGATION TO ^^ 



LEGUMINOUS FORAGE PLANTS. 



Bv J. M. WF:STGAT]-; A.<sl.^tintl Aqrustolocjl^t, 

 and GEOKGF: W. OLIVER, I'hmt I'mpaf,ator. 



V. THE CONTROL OF TEXAS ROOT-ROT OF COTTON. 



By C. L. SHEAR. Pathologist, 

 and GEORGE F. MILES, Scientific Assistant. 



VI. THE HISTORY OF THE COWPEA AND ITS INTRODUCTION INTO AMERICA. 



By W. F. WIGHT, Assistant Botanist. 



YII. A NEW METHOD FOR THE DETERMINATION OF NICOTINE IN TOBACCO. 



By WKUIT^IAN W. GARXER, Scientific Assistant. 



Issued September 9, 1907. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1907. 



