126 THE BOOK OF THE IRIS 



Rhizome short creeping ; 

 sheaths splitting into 

 fibres , crests deltoid ; 

 stem I to 6 in. long ; 

 limb of perianth I to 

 ij in. long . . .75. I. FLAVISSIMA 

 Stem longer and flowers 



larger . . < .; ^ -* ; var. BLOUDOVII 

 B. Leaves ensiform ; flowers 

 yellow, lilac, or purple. 



For /. mandschurica, 

 see p. 195. 



* Leaves 2 to 4 in. long at 

 flowering time; stemless, 



ovary quite sessile . . j6. I. RUBROMARGINATA 

 f Stem 3 to 4 in. long ; 

 ovary shortly stalked ; 

 perianth-tube 2 in. long . 77. I. MELITTA 

 Perianth-tube I in. long . 78. I. STRAUSSII 

 ff Stem 6 to 9 in. long ; 



perianth-tube I in. long . 79. I. BALKANA 

 ** Leaves 6 to 12 in. long 

 at flowering time. 

 j- Standards long and 

 narrowly cuneate; 

 spathe-valves finally 

 diverging and expos- 

 ing the ovary . . 80. I. EULEFELDI 

 j-j- Standards obovate to 

 nearly round. 

 Flowers purple. 



Falls I Jin. broad; 

 beard white, tipped 

 with yellow ; valves 



entirely scarious . 8 1. I. ATROVIOLACEA 

 Falls I in. broad ; 



