n6 



Tall Bearded Iris 



RHIZOME. All the so-called " Bearded Irises" are 

 rhizomatous, that is, having a creeping rhizome or 

 fleshy rootstock, which, if it has been properly planted 

 (see under How to Plant, Chapter VI) grows just 

 beneath the surface of the ground and gradually 

 comes to the surface. 



And the coarse bulbs of Iris-flowers he found 

 Knotted in clumps under the spongy ground. 



Shelley: Marenghi. 



The rhizome usually branches, more or less accord- 

 ing to the variety, the vigor of the plant and the 

 condition of the soil; that is, buds issue from the 

 rhizome, usually from its sides, which in time become 



FIG. X. RHIZOME WITH 



FLOWER-STEM AND TWO BRANCHES 



FIG. XI. SIX-BRANCHED 



RHIZOME 



