344 IXIACEAE 
2 » fourchiana Small Flower-stalk erect, rigid and strict: sepals 7-8 
ong, the claw pale yellow-green, veined and pen peer red-violet, the blade 
dull peur darker, the crest yellow, scarely ex ending i into the base 
of the sepa] -blade, 1-3 laterals, Ta narrow and in cia surrounded by 
in ompany the i 
as the sepal blade, ushed near pus center and in claw with apricot: style- 
branches light orange-purple, the wings yellowish; B light red-violet, 
deeply lacerate toothed: anther-tips included: ae not seen.—Swamps, 
marshes, ditehes, and bayou-banks, S La.—Spr.—This may include more than 
one species. It is one of the most widely distributed and ERE: of the La. 
spec l 
37. I. oenantha Small  Flower-stalk erect, stout, strict: sepals 9-10.5 cm. 
long, rather laxly drooping, the claw pc -ye ellow w, with the median ribs 
ot the lateral M: red-brown, and the wings veined d-brown, a zone of 
ish flushes n 
l S three ede ame length of the s win eu rple 
ES S La 
a darker median 
band and a darker zone surrounding the crest; the ey NOE yellow, peus 
broad, with one or two yellow laterals on "ith er side: petals light bai n 
nearly as long as the sepals, the basal channel orange-flushed, as 
set ue of the lower wee nd the claw: dod -branches eub. “becoming 
ery pale towards base, the appendages the same color: capsule 8-9 c 
don ellipsoid, ne 6-ridged.— Marshes, paso: and ditches, S La = 
38. I. b prs Small. Puis stalk erect, strict, rigid: sepals spreading, 
aa 9 cm. lon ng, P i. w, veined gr eenish, the blade blue-violet, 
the more prominen pud , the erest dark-lemon, with one or two paler 
an the ipee) and laterals 'outlined by a black-violet zone, which eventu- 
p arker 
eined red-pur 
wings: style-branches violet, their wing-m s greenish; appen or Md 
finely and deeply lacerate-toothed : Suo a inclu m ea E sule not 
Swamps, marshes, and bayou-banks, S La.—Spr.— a clo s similar 
form with the sepa al-claw greenish- -white with Pn veinings, 
petals palo-violet flushed cream in the claw; this may prove upon farther E 
to be a speci 
39. I. ioleuca Alexander.  Flower-stalk erect, stiff: sepals recurved-spread- 
ing, 9-10 em. long, the claw 1 veined pale-green, its wings faintly flushed 
pale- green, their veins and those of the main body faintly pencilled with brown- 
purple, the blade blue-violet, em veiny, the crest pale-yello i 
d : 
a ts u 
style-branches greenish-lavender, the wings greenish but lav eee Aue ie d, ie 
keel violet with a lavender ridge; appendages light-vole, flushed bluish, coarsely 
lacerate-toothed: anther-tips included: capsule not seen.—Swamps, marshes, 
ditches, and bayou-banks, S La.—Spr. 
40. I. cyanantha TeS Pide erect, strict: flowers slightly 
fragrant: sepals 8-9 em. long, the claw pale greenish-yellow, v veined yellow- 
green, the blade with a deep hue. ona CUIR fading violet-blue, unstreaked, 
the crest bright yellow, with one narrow lateral of yellow and a rudimentar 
lateral of cream: petals s spatulate somewhat shorter than the sepals, the elaw . 
red-purple, the blade of the Eee) -color as the sepal-blade, but often 
becoming whitish- streaked: ud aie not seen.—Swamps, moist woods, 'and bayous 
a.—Spr.—This is one of the clos a a. to true blue yet found in 
Menem irises. 
