20 



EXPEKIMEXT STATION. 



[Jan. 



Records of Seed Purity Tests, 1012, made by E. A. Lorrakc — Concluded. 



In this table rib grass and bracted plantain were put under the one title, "plantain.' 



The standard of purity frequently adopted for timothy is 98 

 per cent.; for red clover, 98 per cent; for red top, 95 per 

 cent. ; for oats, 99 per cent. ; for alfalfa, 98 per cent. ; for 

 Alsike clover, 95 per cent. ; for white clover, 95 per cent. ; for 

 Kentucky blncgrass, 90 per cent. Nineteen samples of timothy 

 £?ave an average purity test of 97 per cent.; 11 samples of red 

 clover, 97.6 per cent.; 11 samples of red top, 98.4 per cent.; 

 4 samples of oats, 98.8 per cent. ; 5 samples of alfalfa, 98.4 

 per cent. ; 8 samples of Alsike clover, 96.2 per cent. ; 7 samples 

 of white clover, 94.8 per cent. ; 3 samples of Kentucky blue- 

 grass, 97 per cent. 



