22 



I have no doubt but that it is a hybrid, probably between the 

 yellow lusitamca variety and either L filifolia or I. tingitana, of 

 which I shall speak presently. This may be the Iris spectabilis 



Fro. 15. IBIS XIPHIUM var. " THE THUNDERBOLT." (From the Garden.) 



of Spach, which he regards as probably a hybrid between 

 I. xiphium and I. xiphioides ; but I see in " The Thunderbolt " no 

 trace of I. xiphioides, nor, indeed, have I as yet come across any 



