POGONIRIS 



149 



105. I. FLORENTINA 



Io6. I. PALLIDA 



inch long, crests deltoid. Was introduced from Kan- 

 dahar by Sir Michael Foster and figured from the 

 Cambridge Botanic Garden. 



V. Pallidae. 



* Tube an inch long. 



Flowers white or nearly so, 



produced early in May, 



valves subscariose. Not 



scented .... 

 Flowers light or dark violet, 



produced in June, valves 



quite scarious. Usually 



scented (see /. cypriana in 



IV. Germanicae) 

 ** Tube \ in. long. 



Stem 2 to 3 feet long, falls 



\\ in. broad, white veined 



with lilac towards margin 



and claw, flowering in June 107. I. PLICATA 

 Stem I to 1 1 ft. long, falls I 



in. broad, white flushed 



with purple towards the 



edge, flowering in June 

 *** Tube short, \ to \ in. long 

 see /. Cengialti in III. Varie- 

 gatae. 



105. I. florentina, Linn.; Bot. Mag., t. 671 ; Red. Li/., 

 t. 23 ; Sibth. Fl. Graeca, t. 39 (see accompanying plate). 

 The rhizome of this species is stout ; it forms the Orris- 

 root proper of druggists, but allies are also used. The 

 leaves are ensiform, glaucous, I to l| ft. long, I to I J in. 

 broad. The stems are three to four headed, overtopping 

 the leaves ; spathes two to three flowered, I \ to 2 in. long ; 

 valves oblong, subscariose at flowering time ; pedicel 



108. I. SWERTII 



