342 IXIACEAE 
I. tyriana Small. Flower- n erect, oo and rigid: sepals recurved- 
iur within, the i w pale orange-ere veined brown, the blade rich 
violet-purple, flushe d around the crest zone cad dull reddish purple, the crest 
greenish- yellow, solitary, with the Eo D. veinin n E. the elaw extending u 
and radiating into erest zon t dull y-violet, crest and ela 
overlain pale ¢ Eoi: db petals a slightly more a cast of pur Ps TEM 
the sepal, flushed orange-crea ings and near base, side a 
mid-band of greenish-white: Ede pue ‘light rod: violet. p Tees 
at base, the keel purplish- pink, the wings pale-salmon, flushed reddish near 
apex; appendages dull red-violet, flushed pinkish-pu rple ar base, sharply 
aaa p s anther-tips included: eapsule not seen Lue PEN and marshes, 
S pr 
27. I. e eles = all  Flower-stalk rigid, striet: aay ers ree fra- 
ls preading d 
a as ; 
the erest yellow, its rudimentary laterals barely reaching the base of th ade: 
petals a much shorter than the sepals, the claw yellowish only at the 
base e blade violet-purple and dark-lined at the base: style-branches red- 
oe E: e wings greenish; appendages red-purple, shallowly lacerate-toothed: 
anther- -tips included: caps sule oval or ovoid-oval, 7-9 em. long, bluntly 6-lobed.— 
Marshes, swamps, and bayous, S La.— 
28. I. vinicolor Rl ~ stalk erect, strict: ps slightly fragrant: 
ds s 7.5—8.0 c cid curved-spreading or droopin = claw yellow-green 
at the base, above dul omis -flushed, veined and pen il led Drown iolet; the 
blade vinaceous-purple, especially dark about the narrow yellow crest: petals 
broadly spatulate, much shorter than the sepals, the claw greenish-yellow ' and 
somewhat lined, the blade bird rple and somewhat suffused with ue - 
green at the base: style-bra s dull reddish-purple, pen wings RE orange; 
appendages red-purple, eee erose- eee anther-tips included: capsule ellip- 
soid or obovoid-ellipsoid, 5-7.5 em. long, ere 6- eed. —Sw n and bayou 
banks, S La.—Spr. 
29. I. rosilutea Alexander. Flower-stalk erect, stiff, but rather short: sepals 
reflexed, about 7 em. long, the claw yellow, its wings penciled and flushed 
with orange-pink, the blade opening orange-rose, but soon fading to a light 
but dull $6 p the erest a Pind with a oe ee -yellow e 
on either side, t m ian finally becoming a bro petals opening 
orange-rose, but ce aal and o bl de 2 Pins ligh t be ae the whole 
fading to the same color to which the sepals fade: style-branches pinkish-o 
on the sides, the wings flushed us m and margin Ed yellow, the keel purplish 
rose which e olor is flushed on the upper portion of the b ʻange- 
beneath, flushed purplish-rose n appendages deeply toothed, Ege P. near 
the tips; anther-tips included: capsule not seen.—Swamps and mars hes, S 
pr. 
* 
j 4 
La.— 
30. I. Au de Small. Flower-stalk erect, strict, rigid: sepals shenuy 
recurved, 7-8 cm. long, the claw pale-olive, veined darker r, the claw-wings pen 
eilled and ed with brown-rose, the bl ade dark, eod old-rose vein- 
streaked darker, the crest orange -yello w, one lateral of same color on each side, 
ut half obscur ed by brown-rose blotchings and suff usions: petals dull old-rose 
wrinkle-stre us ee , the claw-channel olive, as also is the claw-base: style- 
branches gree old- -ros e, the wing margins pale olive- SD appendages dull, 
pale old-rose, n lone d: anther-tips about equalling the stigmas: capsule 
not seen —Swamps, marshes, and ditches, S La.—Spr. 
I. rubicunda Small. Flower-stalk erect, stiff: sepals about 8 em. long, 
the claw greenish-yellow within, brown-violet veined and with brown- co spots 
