37 



internodes two inches, or even more, in length. In J. orchioides 

 the leaves lack the horny margin present in I. caucasica and in the 

 variety turkestanica ; they are also longer and narrower. In 

 J. orchioides the individual flowers have a distinct stalk, in 

 J. caucasica they are sessile. In I. caucasica and its varieties 

 the spathe-valves are inflated, in orchioides they are not. In 

 orchioides the fall lacks the lateral expansions of the claw so 



FIG. 22. IBIS ORCHIOIDES. The side-sketch (A) shows, magnified twice, 

 the standard and its mode of attachment. 



conspicuous in caucasica, and is long and narrow, spathulate, or 

 even strap-like. The whole flower is smaller and narrower in 

 orchioides, but this is compensated for by the rich golden colour 

 of all the parts, the blade of the fall being often marked with 

 black or purple spots. In both orchioides and caucasica the 



