bb. Claw of fall nearly as broad 



as blade .... 

 Leaves of some height when 



the flower expands : 

 Flowers deep violet 

 Flowers red-purple, with 

 conspicuous veins on 

 the sides of the claw 

 of the fall . 

 Flowers bluish, spotted . 

 Flowers dwarf, red-purple 

 Flowers dwarf, bright blue 

 Leaves very short when the 



flower expands : 

 Segments long and narrow 

 Segments broad : 

 Colour bluish, often 



spotted 

 Colour red-purple 



(2) 1. retimtlata 



I. ret. type 



1. ret. v. Krelagei 

 I. ret. v. Histrio . 

 I. ret. v. humilis . 

 I. ret. v. cyanea . 



I'AGE 



56 



56 



57 

 57 

 59 



I, ret. v. sophenensis . 58 



I. ret. v. histrioides 

 1. ret. v. purpurea 



59 



60 



B. FLOWERS BORNE ON A STEM. 



(1)7. Sisyrinchium . .55 

 /. Sysyr. type . .55 

 I. Sisyr. v. monopJiylla 56 



I. Sysyr. v. maricoides . 56 



(57 



1. Leaves not more than two. Bulb 



globose, with shaggy coats . 

 Anthers adherent below, leaves two 



leaf one 

 Anthers not or rarely adherent. 



Flowers much spotted . 



2. Leaves more than two : 



a. Perianth tube absent : 



o. Segments lax and broad . (10) I. xipliioides 

 j8. Segments stiff and narrow : 

 aa. Fall fiddle-shaped : 



Flowers bluish or white, 

 with segments spread 

 horizontally 

 Flowers yellow, seg- 

 ments forming a fun- 

 nel . 

 bb. Fall not fiddle-shaped : 



Claw of fall nearly as 



broad as blade 

 Claw very narrow 



b. Perianth tube variable. Fall 



fiddle-shaped 



(8) 2. xipUiwn 



I. xipli. v. lusitanica . 65 



I. xipJi. v. Battandieri 

 (9) I. serotina . A 



. (11) I.filifolia . 

 c. Perianth tube distinct and con- 

 spicuous : 

 a. Perianth tube not longer 



than ovary : 



aa. (?) Fall fiddle-shaped . (13) I. Fontanesii 

 bb. Fall with narrow claw 



and ovate blade . (12) I. tingitana 

 ft. Perianth tube much longer 



than ovary : 

 aa. Flower purple, with a 



slight beard on the fall (15) I. Boissieri . 

 bb. Flower yellow . . (14) I. juncea 



65 



71 

 70 



72 

 71 



