tRiS, 7 



slieatli-leaves rigid, not splitting into fibres. Leaves about G in a 

 tuft, linear, 1-2 ft. long, ^-i in. broad at the middle, tapering to 

 the point, moderately firm, strongly ribbed. Stem ^-1 ft. long, 

 usually simple ; bract-leaf long, linear. Spathes 2-3-iiowered ; 

 pedicels long; outer valves lanceolate, firm, green, 2-3 in. long. 

 Perianth-tube cylindrical, i-^- in. long ; limb 1^-2 in. long ; falls 

 obovate-cuneate, f-1 in. broad, pale lilac, with darker lilac veins ; 

 standards oblong-unguiculate, ^ in. broad. Style-branches an inch 

 long ; crests large, obtuse. Capsule oblong, 1^ in. long, narrowed 

 gradually to the top. 



Hab. California, first gathered by Alenzies and Douglas. I. Beecheyana 

 Herb, is a dwarf, nearly stemless form with a wide-creeping rootstock. What is 

 called the Santa Cruz variety has whitish falls, with a yellow keel, and claret- 

 purple veins. 



18. I. Grant-Duffii Baker. — Rhizome moderately stout, short- 

 creeping ; sheaths splitting into fine fibres. Leaves linear, mode- 

 rately firm, under a foot long, ^ in. broad. Stem 1 -headed, ^ ft. 

 long, with about 2 lanceolate leaves. Spathes 1-flowered; valves 

 linear or lanceolate, acuminate, green, 3-3^ in. long; pedicel about 

 as long as the ovary, which is narrowed gradually to the apex. 

 Perianth-tube J in. long ; limb 2|- in. long ; falls with a yellow 

 blade ^ in. broad, much shorter than the haft, which is copiously 

 veined with lilac on a yellowish-white ground ; standards as long, 

 oblanceolate-unguiculate, nearly as broad, similarly coloured. 

 Style-branches above an inch long ; crests lanceolate-deltoid, f in. 

 long. Anthers nearly an inch long. 



Hab. Palestine ; banks of the River Kishon, first gathered by Lowne in 

 1863—4. Sent alive to Kew in 1888, from the plain of Esdraelon, by Sir M. E. 

 Grant-Duff. 



19. I. BKACTEATA S. Wats. in Proc. Amer. Acad. xx. 375 ; 

 Garden, 1888, t. 8. — Rhizome slender, wide-creeping ; rudimentary 

 leaves brown, very rigid. Produced leaves very few to a tuft, 

 linear, very thick and rigid, 1-2 ft. long, i-^ in. broad, pale green 

 and glossy above, glaucous beneath ; edge revolute. Peduncle 

 1-headed, varying from 2-3 in. to a foot long ; bract-leaves small, 

 lanceolate. Spathes 2-fiowered ; outer valves lanceolate, firm in 

 texture, 2-2|- in. long ; pedicels long. Perianth-tube nearly obsolete ; 

 limb 2 in. long, pale yellow; falls with an ovate blade i-f in. broad, 

 as long as the haft, veined with lilac ; standards shorter, ob- 

 lanceolate. Style-branches an inch long ; crests very acuminate. 

 Capsule ovoid-oblong, an inch long. 



Hab. Oregon, Howell ! Discovered in 1884. 



20. I. TENAx Dougl. in Bot. Reg. t. 1218 ; Hook, in Bot. Mag. 

 t. 3843. loniris tenax Klatt. — Tutts crowded on a short- creeping 

 rhizome ; sheaths short, splitting up into copious fibres. Leaves 

 linear, ^-1 ft. long, -I— I in. broad, moderately firm in texture, 

 strongly ribbed. Stems slender, 1-headed, -^-l ft. long; leaves 1-2, 

 much reduced. Spathes 1-flowered; valves firm, green, lanceolate, 

 superposed, 1^-2 in. long ; pedicel produced. Perianth-tube very 

 short; limb bright Ulac, 2 m. long; falls obovate-cuneate, | in. 



