348 IXIACEAE 
56. I. Thomasii Small. Flower-staik erect, rigid: sepals recurved-spread- 
ing, 7-8 cm. long, the claw deep-yellow, veined yellow-green, the blade red- 
violet with a darker median band, the crest orange-yellow, a series of short 
radials around its base which do not however extend into the blade-color bs 
form a sharply outlined narrowly iip lee zone: petals red-violet, e channel 
ao Bile ape the claw wings eee orange, veined red-v iolet near chan- 
style-branches dull i n their wings margined yello Sh. Mi dages 
dull red-violet edged a hed slate; shallowly lancerate- toothe d: anther- 
tips included: capsule < pa ith a tape ring, beak-like apex, 6—10 cm. long, 
rod 6-an gle ed.—Swamps, mode. ditehes, and bayou-ba nks, S La.—Spr.—A 
form this with ve a pete perianth, a rather smo n green sepal-claw, widely 
dilated petals i orange and brown veined claw may i another species. 
57. I. amnicola Alexander.  Flower-stalk erect, rigid, strict: sepals re- 
eurved-spreading, within, the claw sulphur, its upper two-thirds flecked and 
spotted dull red-violet, the veins green, the blade deep vinaceous-purple, the 
A t dark-lemon, narrow viy lance-shaped, its color streaked, flecked and spotted 
o the lower part of the blade, T itself spotted P flecked hes d 
Eur dull dark violet overlain greenish-su ulphur crest and ¢ 
petals within , deep v eous PLE red violet in the pon erg the us 
pale oran ge-yellow, Menu ed orange-cream; without, slightly more dull-colored, 
a broad median band of sulphur in the lower half: style-branches dull, light 
red-violet, the margin creamy; appendages the same ie sparsely an nd shal- 
lowly sharp-toothed, flushed orange at base beneath: anthe er-tips exserted: 
capsule not seen —Swamps, marshes, ditches, and bayou-banks, S La.— 
I. cyanochrysea Small.  Flower-stalk erect, rigid: sepals recurved- 
ie readin ng, within, the claw greenish cream vein ed yellow-green, its wings 
aa aked lea -violet on the inner side, the blade blue-violet, the crest deep- 
ellow, two laterals on each side forming an oval blotch of color, outlined with 
Sark- violet and flecke s MA E this border with red-violet and white, the 
median ridge tipped orange-bro no blade pe extending downward into 
the claw; without, 2 -violet, ACE white on crest zone, crest median and 
claw ye low-green: petals blue-viole t, the base of t the blade and the channel 
red-violet, margined by a pinki sh zone heavily flushed MEE ddp 
white towards base, ub with a gree pes us flush onm the r por- 
ally becoming lilac to uu the top, lower third of t l green; appendages 
light-violet, erose-toothed, flushed whitish o a -tips included: cap- 
not seen.—Swamps s and mars shes, S La— 
59. I. a Small. Flower-stalk erect, strict: sepals recurved-spread- 
ing, within, the claw gr T -cream, veined yellow-green, the blade pansy- 
purple, veined es vio ee n, the crest lemon, with two lemon laterals on 
either side about 3 m ong, t ‘the ir color stopping d -: the E with- 
out, a dull hade of ight-vile, overlain with white, the t median and the 
apes v pale yellow-green: petals pansy-purple, fushed red mu below, p claw- 
wings whitish; without, paler colored, the median nearly white, the claw 
ipu yellow its wings whitish: style- -branches ‘ult pus violet, greenish white 
r base, wings very broad, white below, faintly flushed red-violet abov e, 
ent half i the keel white; appendages violet, deeply toothed, flushed lavender 
beneath: anther-tips exserted: capsule not seen.—S war mps and marshes, S La.— 
60. I. atroenantha Small. Flower-stalk' erect, i and cien sepals spread- 
ing-recurv ae within, the claw greenish-yellow, veined brown-purple near top, 
veined green below, its wings yellow, flushed and veined lilac- oe t blade 
dull wine Sale fading paler near base, the crest yellow, with 2 laterals 
on either side about 6 mm. long, crest-veins brown-purple; po the blade 
