8 HANDBOOK OF tRIDE*. 



long, with a spreading blade as long as the claw ; standards nearly 



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



narrow, an inch long, with large narrow obtuse crests. Capsule 

 oblong, obtusely trigonous, an inch long. 



Hab. Fort Vancouver, British Columbia, and Oregon. We have also 

 specimens at Kew said to have been gathered in Newfoundland and New 

 Brunswick. 



21. I. PRisMATicA Pursh, Fl. Amer. Sept. i. 30 ; Ker in Bot. 

 Mag. t. 1504. I. vir(jinica A. Gray, non Linn. /. gracilis Bigelow. 

 I. Boltoniana E. & S. — Ehizome slender ; sheaths slitting into fine 

 fibres. Leaves Hnear, weak, finely ribbed, green, a foot or more 

 long, i in. broad. Stem slender, 1-2 ft. long, simple or forked, 

 with 2-3 large linear leaves. Spathes 1-2-flowered ; valves lanceo- 

 late, subrigid, 1-1|- in. long ; pedicels often much longer than the 

 spathe. Perianth-tube almost obsolete ; limb bright lilac, 1^-2 in. 

 long ; falls with an obovate blade i in. broad, shorter than the haft; 

 standards shorter, oblanceolate-unguiculate, i in. broad. Style- 

 branches an inch long ; crests narrow. Capsule oblong- trigonous, 

 an inch long, not rostrate. 



Hab. Northern United States, from Maine to Virginia, Kentuclvy, and 

 Tennessee. The plant of the Gronovian herbarium is that figured Bot. Mag. 

 t. 703. 



22. I. ENSATA Thunb. in Trans. Linn. Soc. ii. 328 ; Kegel, 

 Gartenfl. t. 1011. /. hhjlumis Vahl ; Sweet, Brit. Flow. Gard. 

 ser. ii. t. 187. I. triflora Balbis, Misc. Bot. 6, t. 1 ; Ked. Lil. 

 t. 481. 1. Doniann Spach. I. Pallasii Fisch. /. oxypctala Bunge. 

 I. caricifolia Pallas. I. fragrans Lindl. Bot. Pieg. xxvi. t. 1. I. longi- 

 spatha Fisch. in Bot. Mag. t. 2528. /. Moorcroftiana Wall. /. Jongi- 

 folia Koyle. — Ehizome stout, short-creeping ; tufts crowded, sur- 

 rounded by long sheaths splitting up into fibres. Leaves linear, 

 rigid, glaucescent, strongly veined, 1-1-| ft. long, |— ^ in. broad. 

 Stems ^-1 ft. long, 1-headed. Spathes 1-3-flowered, 3-4 in. long; 

 valves lanceolate, green, moderately firm ; pedicels long. Ovary 

 cylindrical, an inch long ; perianth-tube scarcely any ; limb lilac, 

 aboiit 2 in. long ; falls with an oblong or obovate blade i-f in. 

 broad, rather shorter than the narrow haft ; standards as long, 

 oblanceolate-unguiculate, \ in. broad. Style-branches an inch long ; 

 crests large, deltoid. Capsule oblong, \^-l in. long, 6-ribbed, 

 narrowed mto a distinct beak. 



Hab. Throughout Temperate Asia from Japan to the Caucasus and the 

 Western Himalayas. 



23. 1. GRAMiNEA Linn. Sp. Plant. 58 ; Jacq. Fl. Austr. t. 2 ; 

 Bot. Mag. t. 681 ; Eed. Lil. t. 299 ; Eeich. Ic. Fl. Germ. t. 346. 

 /. Adanii Willd. I. cuiiipressa Moench. XipJiioti gramineiiiii Alefeld. 

 Xyridion graminenin Klatt. — Ehizome short-creeping, moderately 

 stout ; sheaths short, fibrous. Leaves thin, linear, green, strongly 

 ribbed, 1-1^ ft. long, i-^ in. broad. Stem slender, solid, com- 

 pressed, 1-headed, bearing 1-2 large leaves. Spathe 2-flowered ; 

 valves lanceolate, green, moderately firm, about 2 in. long ; pedicels 

 1-2 in. long. Perianth-tube nearly obsolete; limb bright lilac, 



