mis. 8 



limb lilac, shorter than the tube ; falls with an ovate spreading 

 blade half as Ions: as the haft; standards much shorter, oblanceolate- 

 unguiciilate. Stif^ma-crests short. 



Hab. Japan ; Yedo, Savatier 1225. Near I. Rnsni. Dr. Maximowicz 

 describes in Bull. Acad. Peters, x. 715, an allied plant from Siebold's drawinj^s, 

 with a yellow flower, standards but little shorter than the falls, and acuminate 

 dentate stigma-crests. 



3. I. Rossn Baker in Gard. Chron. 1877, ii. 809. — Rhizome 

 slender, short- or wide-creeping ; sheaths small, splitting up into 

 copious fibres. Leaves linear, green, thin and grass-like in texture, 

 4-6 in. long at the flowering time, |— ^ in. broad, acuminate. 

 Stem 1-headed, very short or nearly obsolete. Spathe 1-flowered, 

 about 2 in. long ; valves green, linear, not rigid ; pedicel short. 

 Perianth-tube slender, 1^-2 in. long ; limb lilac, f-1 in. long ; 

 falls with an oblong blade ^ in. broad, as long as the haft ; standards 

 as long as broad, narrowly unguiculate. Style-branches ^ in. 

 long; crests small, obtuse. 



Hab. Corea and Northern China, first gathered by Mr. .John Eoss, in Sching- 

 king, in 1876. 



4. I. LuDwiGii Maxim, in Bull. Acad. Petrop. x. 693. — Rhizome 

 slender, creeping ; scale-leaves splitting into fibres. Leaves linear, 

 green, acuminate, firm, scabrous on the margin, 6-9 in. long, ^ in. 

 broad. Peduncle obsolete. Spathes 2-flowered; outer valves linear- 

 lanceolate. Perianth-tube as long as the limb ; falls with a claw 

 twice as long as the ovate blade ; standards shorter, oblong, with 

 a linear claw. Style-arms shorter than the standards ; crests 

 acuminate. 



Hab. Altai Mountains, associated with I. ruthenica, Ludwig. 



5. I. uNGuicuLARis Poir. Iter. Barb. ii. 56. I. styJnsa Desf. Fl. 

 Atlant. i. 40, t. 5 ; Hook. fil. in Bot. Mag. t. 5773. NeuhecJda 

 stylosa Alefeld. loniris sti/losa Klatt. — Rhizome stout, short-creeping ; 

 sheaths not splitting into fibres. Leaves about six in a tuft, linear, 

 finally 1^-2 ft. long, i— i- in. broad, bright green, moderately firm, 

 finely ribbed. Stem nearly obsolete. Spathes 1-flowered ; outer 

 valve lanceolate, green, moderately firm, 5-6 in. long. Ovary 

 cylindrical, an inch or more long ; tube filiform, 5-6 in. long, much 

 exserted from the spathe ; limb bright lilac, rarely white, 2^-3 in. 

 long; falls obovate-cuneate, an inch broad, keeled with yellow, and 

 streaked with lilac on a white ground at the throat ; standards 

 oblong-unguiculate, f in. broad, both narrowed suddenly into the 

 claw. Style-branches above an inch long ; crests lanceolate. 



Hab. Algeria, flowering in January and February. Filaments sometimes 

 united up to the top Flowers fragrant. 



6. I. cRETENSis Janka in Oesterr. Bot. Zeit. 1868, 882 ; Baker 

 in Bot. Mag. t. 6343. I. crcticn Herb, inedit. J. sti/hsa var. 

 MKjustifoJ ia Boiss. — Rootstock very wide-creeping; tufts crowded; 

 sheaths not splitting into fibres. Leaves linear, 6-15 in. louj?, 

 tV"^ ii^- broad, firm, acuminate, strongly ribbed. Peduncle nearly 

 obsolete. Spathe 1-flowered; ovary subsessile ; outer valve lanceo- 

 late, scariose, 2-3 in. long, wrapped tightly round the very slender 



b2 



