i6o 



Tall Bearded Ins 



Fig. XLIIl. — Irises planted in July, 1920, ox riu(;es — some, of soil (four 

 pans) AND i"i>LVERi7,ED OLD MORTAR (oiie part); THE OTHERS, OF SOIL (four parts) 



AND COARSELY GROUND LIMESTONE (one part). 



under Diseases in Chapter VIII. Experiments made 

 at Stager Place seem to indicate that there is very 

 little, if any, likelihood of an\' injur}* of this character 

 from even a very liberal use of either pulverized old 

 mortar or coarsely ground limestone. In the fore part 

 of July, 1920, a plot was laid off into ridges — some, 

 of soil (four parts) and pulverized old mortar (one part) ; 

 the others, of soil (four parts) and coarsely ground 

 limestone (one part). The materials in each ridge 

 were thoroughly incorporated by digging and raking, 



Xl-I\. — 'tiiE Irises in I'd;. XLIII, wriii light straw-coyering pur on 

 IN December, 1920, ae'ler the ground had frozen hard 



