194 Tall Bearded Iris 



If the drainage is poor, or the disease has made 

 considerable progress but has not extended throughout 

 the rhizome all rhizomes affected almost throughout 

 should be taken up and burned or many plants are 

 affected, take up all the plants and free them from soil; 

 remove all unhealthy leaves and soft parts of the 

 rhizomes, as above suggested; reduce the foliage and 

 roots as suggested under How to Plant., page 173; 

 dip the remainder of each plant, leaves and all, in a 

 solution, as above mentioned, of potassium permangan- 

 ate, and then replant elsewhere in well drained ground 

 that recently has not been manured or used for tuberous 

 crops. But if such a place is not available heel them 

 in somewhere; change the old bed so the drainage will 

 be good as, in one of the ways suggested under 

 Where to Plant, pages 157-162; apply a solution of 

 formaldehyde, as suggested above for an original plant- 

 ing, and in a week or so take up the heeled-in plants 

 and replant them. 



Diseases, desperate grown, 



By desperate appliances are reliev'd, 



Or not at all. 



Shakespeare: Hamlet. 



All diseased portions and unhealthy leaves should 

 be burned as soon as removed from the plants, or 

 they may spread the disease. (As to bacteria sur- 

 viving in the soil, see page 190.) Burning can readily 

 be accomplished even if the leaves are green, but not 



