18 IIAN'nBOOK OF IRIDKif,. 



Periiinth-tube as long as the ovary ; limb 2^-8^ in. long, bright 

 lemon yellow, without any dark veins ; falls with an orbicular 

 blade 1-li in broad, as long as the claw ; standards shorter, 

 oblong-unguiculate, an inch broad. Style-branches 1^ in. long; 

 crests deltoid. Capsule oblong, hexagonal, 2 in. long, con- 

 spicuously rostrate. 



Hab. Rhodes and Crete. Discovered and introduced into cultivation by 

 Sieber in 1821. Does not flower round London till late in June. Very near 

 I. orientaliH. 



40. I. oEiENTALis Miller, Gard. Diet. edit. 6, No. 9 (1768). 

 (Icones, t. 154), non Thunb. I. oclirolexica Linn. Maut. 175 ; 

 Curt, in Bot. Mag. t. 61 ; Eed. Lil. t. 350 ; Keich. Ic. Crit. fig. 

 1289. 1. (/it/finteii Carriere. Xyridion ochroleuciim Klatt. — Rhizome 

 short, stout, oblique. Leaves firm, ensiform, slightly glaucous, 

 2-3 ft. long, an inch broad. Stem 3 ft. long, stout, terete, with 

 2-3 reduced leaves and 2-3 spicate clusters of flowers. Spathes 

 2-3-flowered, 4-6 in. long ; valves firm, green, lanceolate, acumi- 

 nate, an inch broad ; pedicels long. Perianth-tube as long as the 

 ovary ; limb bright yellow, 3-3^ in, long ; blade of the falls 

 obovate, an inch broad, as long as the haft ; standards shorter, 

 oblong-unguiculate, an inch broad. Style-branches li in. long ; 

 crests deltoid. Capsule oblong, hexagonal, li-2in. long, distinctly 

 rostrate. 



Hab. Asia Minor and Syria ; Island of Samos. Dr. Major 8G6 ! The 

 Trojan I. Kerneriana Aschers. and Sint., only differs by its smaller flowers and 

 narrower leaves and is probably the wild original of the species. Millers's 

 name has priority over that of Linnseus. The plant that does duty for I. ochro- 

 leuca in the Linnean Herbarium is I. Pseudacorus. 



Subgenus II. Pardanthopsis (Hance). 



47. I. VERNA Linn. Sp. Plant. 58 ; Sweet, Brit. Flow. Gard. t. 

 68. — Rootstock wide-creeping ; sheaths not splitting into fibres. 

 Leaves linear, thin, slightly glaucous, finely veined, about 1^ ft. 

 long at the flowering time, J in. broad. Stem scarcely any, 

 1-headed. Spathes 1 -flowered, about 2 in. long ; valves lanceolate, 

 herbaceous green ; pedicel short. Perianth-tube slender, 1|- in. 

 long ; limb deep violet, 1^ in. long ; falls obovate-uuguiculate, 

 •^ in. broad, reflexing from halfway down, with a brilliant orange 

 hairless keel down the claw ; standards erect, plain violet, similar 

 in shape. Style-branches f in. long ; crests large, lanceolate- 

 deltoid. 



Hab. Ohio, Kentucky, Virginia and other Southern United States. 

 Leaves a foot long in autumn, persistent through the winter. 



48. I. YEDOENsis Franch. et Savat. Enum. Jap. ii. 48, 522. — 

 Habit and leaves of /. teeturnm. Leaves ensiform, a foot long, 

 nearly an inch broad at the middle, obliquely attenuate at the apex. 

 Stem forked, about a foot long. Spathes 2-3-flowered ; valves 

 lanceolate, outer greenish, inner membranous. Perianth-tube 

 1 in. long; limb 3 in. long, deep violet blue ; falls obovate, with a 

 short haft, yellow at the base of the blade, much spotted and veined 



