158 THE BOOK OF THE IRIS 



Burbia. For culture see I. Xiphium. The following 

 garden varieties are among the best : 



Blanche Fleur, falls white ; standards white, with rosy 



tinge. 

 Clara Butt, falls china white, faintly spotted azure ; 



standards china white, faintly flaked azure. 

 Emma, falls French grey, shaded white, faintly 

 spotted blue ; standards French grey, faintly 

 flaked blue. 



Emperor, falls brilliant blue, sometimes marbled dark 

 velvet blue , standards violet, flaked dark 

 purple. 



Grand Celeste, falls bright blue ; standards light blue. 

 Lilacina, falls pale lavender, slightly spotted blue ; 



standards deep lavender, splashed violet. 

 Lord Palmerston, falls rich crimson purple ; standards 



purple-claret, flaked black. 

 Mont Blanc, falls and standards pure white. 

 Prince Mauritz, falls ruby-purple, with conspicuous 

 white and yellow blotch ; standards ruby, flaked 

 black. 

 Rosa Bonheur, falls white ; standards white, flaked 



crimson-violet. 



Triumph, falls pale azure blue, netted white, with 

 conspicuous white blotch and yellow eye ; 

 standards pale rosy purple. 

 Vainqueur, falls delicate lavender ; standards deep 



lavender, feathered violet. 



112. I. filifolia, Boiss. Bot. Mag., t. 5928 and t. 

 5981 (under the name tingitana)\ Xiphionfilifolium, Klatt. 

 The bulb is like that of /. Xiphium, except that the 

 coats are more slender and veined rather than ribbed ; 

 stem I to 2 ft. high ; leaves quite filiform in the type, 

 but varying much in breadth. The flowers are like 

 those of a top-shaped /. Xiphium, but have a perianth- 

 tube of nearly an inch in length ; they are either of dark 



