55 



(17) 7. persica type 



I. persica v. purpurea 



I. persica v. Isaacsoni. 76 



IL BULBS PROVIDED WITH SUMMER STORE ROOTS. 

 A. FALL WITH LATERAL WINGS TO THE CLAW. 



1 . Flowers sessile, that is to say, stem not obvious : 



a. Flowers appearing soon after the leaves begin to shoot : 



Flower with conspicuous patch on the blade of the fall : 



Flower, except for patch, 

 nearly white 



Flower purple 

 Flower without conspicuous 



patch ..... 



b. Flowers not appearing until the 



leaves have acquired some 



length : 



o. Flowers greenish yellow, 



small .... 



/8. Flowers blue or purple, large 



2. Flowers borne on a stem more or less 



obvious : 



a. Leaves with conspicuous horny 



margin : 



o. Flowers purple . 

 /3. Flowers yellow : 



Stem hardly visible . 

 Stem obvious : 



Wings to claw conspicu- 

 ous . . . /. caucasica v. major (turkestanica) 

 Wings to claw not con- 

 spicuous 



b. Leaves without conspicuous 



horny margin : 

 a. Leaves broad : 



aa. Flowers bluish . 



bb. Flowers smoky yellow 



cc. Flowers wholly yellow 



dd. Flowers yellow and blue 



te. Flowers yellow, spotted 



with blue 

 . Leaves very narrow 



(20) 1. Palestina. 

 (28) 7. alata 



(23) 7. Stocteii . 

 (18) I. caucasica type. 



(21 ) I. sindjarensis 



(22) l.fumosa . 

 (19) 1. orchioides 



J. orchioides v. ccerulea . 



I. orchundes v. ocidata 

 (?) 7. orchioides v. linifolia 



B. FALL WITHOUT LATERAL WINGS TO THE CLAW. 



1. Leaves broad. Flowers sessile . 



2. Leaves narrow. Stem obvious : 



a. Leaves much arched . 



b. Leaves erect : 



a. Standards large . 

 /3. Standards small . 

 III. RHIZOME A TUBER . 

 IV. RHIZOME A BUD covered with 

 bristles, and bearing summer 

 store roots : 



Flowers borne on an obvious stem 

 Flowers sessile 



(26) 7. ftosenbachiana 

 (25) 7. drepanopliylla . 



(27) I. Fosteriana 

 (24) I. Aitchisoni 

 (16) I. tuber osa . 



74 

 75 



79 



82 



80 



77 



77 



I. caucasica v. Kharput 78 



80 

 80 

 78 

 78 



79 

 79 



81 



81 



82 

 81 

 73 



(29) 7. nepalemis . . 83 

 I. nepalensi* v. LetJia . 84 



(From 



1. IRIS SISYRINCHIUM. Linmjeus, Sp. Plant. 59. 

 the Greek word sisyra, shaggy coat.) 



Synonyms./, fugax (Tenore, Fl. Nap. i. p. 15, t. 4). 7. 

 segyptia (Delile, Ann. Sc. Nat. 1843, ii. p. 237). J. maricoide* (Regel, 



