SEED AND PLANT DI8TBIBUTI0N. 59 



(2) Character of the season. 



(3) Total yield of seed cotton produced. (This should be determined 

 by actually weighing the product.) 



(4) Total yield of lint produced. (Determined by actual weighing.) 



(5) Size of patch grown. (Determined by actual measurement.) 



(6) Yield per acre, estimated from the patch grown. 



(7) Is the variety to be classed as excellent, good, fair, or poor for 

 your section ' 



(8) Name of the variety ordinarily grown by the planter making the 

 test. 



(9) Yield of ordinary variety this year on same soil as the variety 

 under consideration. 



It is especially requested that growers carefully note the points 

 enumerated above, in order that they may secure the necessary data 

 and he ready to supply accurate information when it is called for next 

 fall. If sufficiently accurate data are furnished, a report will he com- 

 piled and issued giving the results of the various trials in all sections, 

 and this report will be sent to all planters cooperating in the experi- 

 ment. In this way it is hoped to obtain valuable and reliable infor- 

 mation regarding the varieties best adapted to various sections of the 

 cotton belt. 



Growers receiving this seed, who an willing to <;„,]>, r<it> with the 

 Department of Agricultun in makingtJu above test, an requested to fill 

 in /In accompanying franked postal card, which requires n>> postage, as 

 soon as tl<< seed is red ived, and return the same to the Department. 



A. J. PlETERS, 



Botanist in < 'harge. 

 Approved : 



B. T. Galloway. 



< 'Mef of Bureau. 



[Circular sent with seed of Rivers Sea Island cotton.] 



RIVERS SEA ISLAND COTTON. 



(.4 variety resistant-to tin wilt disease or " Black-root.") 



HISTORY OF THE VARIETY. 



This variety, the seeds of which are now distributed for the first 

 time, was originated in connection with the investigations of the 

 United States Department of Agriculture on the cotton wilt, a disease 

 which has done great damage in the South. All other methods of 

 treatment having failed, an effort was made to produce a resistant 

 variety. This was based on the observation that some plants remained 

 healthy, even in the worst infected places, and it was thought that the 

 seed from such stalks might produce other resistant plants. This was 



