IRIS. 86 



a foot long, slightly glaucous. Stem 3-4-headed, not much over- 

 topping the leaves. Spathes 2-3-flowered, 1^-2 in. long ; valves 

 very ventricose, green at the flowering time ; pedicel very short. 

 Perianth-tube greenish, cylindrical, an inch long ; limb 2-2i|^ in. 

 loug ; falls obovate-cuneate, an inch broad, reflexing from halfway 

 down, a plain dead purple at the top, the lower half veined with 

 dull purple on a yellowish ground ; beard bright yellow ; standards 

 rather broader, dull purple. Style-branches an inch long ; crests 

 deltoid. 



Hab. South-east of Europe. Is connected with sqiialens by intermediate 

 garden forms. Var. I. Redouteana Spach, has a more slender taller stem and 

 a bright claret-purple flower. 



116. I. BENACENsis Kemer ; Stapf in Verh. Zool. Bot. Wien 

 1887, 649. — Leaves ensiform, about a foot long. Stem about as 

 loug as the leaves, 3-headed ; outer spathe-valves lanceolate, her- 

 baceous, tinged with purple, scariose at the tip when flowering. 

 Perianth-tube longer than the ovary ; limb dark violet ; falls with 

 an obovate blade or haft veined with brown-violet, and a yellow- 

 white beard ; standards oblong-unguiculate, bright violet. Crests 

 of the stigma deltoid. Capsule oblong-cylindrical. 



Hab. South Tyrol, on calcareous rocks over Arco. Gathered and intro- 

 duced into cultivation at Vienna by Kerner. 



117. I. KocHii Kerner ; Stapf in Verh. Zool. Bot. Wien 1887, 

 649. — Leaves ensiform, subglaucescent. Stems 12-15 in. long, 

 3-4-headed, about as long as the leaves ; spathe-valves lanceolate, 

 only the outermost herbaceous at flowering time. Perianth-tube 

 longer than the ovary ; limb dark violet ; falls with an obovate 

 blade, a haft veined with brown, and a yellow beard ; standards 

 obovate-unguiculate. Crests of style obovate-deltoid. Capsule 

 oblong-trigonous. 



Hab. Istria, near Trieste and Eovigno. Sent by Tommasini to the Vienna 

 Botanic Garden in 1871. 



118 I. FLAVESCENS DC. in Eed. Lil. t. 375; Sweet Brit. Flow. 

 Card. ser. 2, t. 56; Keich. Ic. Crit. t. 921. I. imhricata Lindl. in 

 Bot. Eeg. 1845, t. 35. /. sulplmrea K. Koch. — Ehizome stout, 

 short-creeping. Leaves ensiform, glaucous, 12-15 in. long at the 

 flowering time, about an inch broad. Stem 3-4-headed, 2-3 ft. 

 long. Spathes 2-3-flowered; valves oblong, subscariose, imbri- 

 cated, not more than 1-lJ in. long ; pedicel very short. Perianth- 

 tube cylindrical, under an inch long ; limb bright lemon-yellow, 

 2| in. long ; falls obovate-cuneate, above an inch broad, reflexing 

 from halfway down ; beard deeper yellow ; standards obovate- 

 unguiculate, rather broader, pale yellow. Style-branches above an 

 inch long ; crests deltoid. 



Hab. Bosnia and the Caucasus and Armenia. Flowers with us late in 

 May. Not scented. 



119. I. soRDiDA Willd. Suppl. Euum. Hort. Berol. i. 4, non 

 Retz. — Habit and leaves of I. lutescens. Stem 2-headed, over- 

 topping the leaves. Spathes 2-flowered, 1|-1| in. long ; valves 

 lanceolate, green at the flowering time ; pedicel short. Perianth- 



d2 



