346 IXIACEAE 
erose-erenulate, rich-violet, slightly n the crest orange-yellow, laterals 2, 
the first A yellow, the second cream-orange, spotted purple, the veins be- 
tween and a und crest and í ls brown-purple, no crest color descending 
18 
: s erose-margined, 3 em. 
same color as sepal-blades except the channel red-lilac, the claw po rue cream, 
flushed reddish lilac; outside, with a median e P2 ale att) -green style e- 
flushed reddis 
outside with a median of pale silvery-green: style- onde dull light RII. 
becoming greenish at base, the wings silver ery- n ite, only white- uL above; 
appendages light -violet, irregularly lacerate-toothed, flushed cream at bas e be- 
neath: anther- -tips ineluded: capsule not seen. —Swamps d pu S La. 
—Spr. 
47. I. lancipetala Alexander. Flower- stalk erect, slender, but rigid: sepals 
Spr it within, the claw pale-lemon, veined pale-oliv ve, _the blade lavender, 
n 2 toe ve sins bistre, the crest da e very n du brown-tipped, 
the tip con ing as a median vein-like band, laterals 2, "Sello , rather fai 
si LM slightly in without, lavender, centr al zone o um 'silve ery-yellow, 
claw yellow-green: peta als lav — , becoming gr Heres di and pale 
lilac. ee veined: style-branches T ith faint lavender the keel 
gray-green, the wings pale silver-pink; appe oc: lavender, Pil, regulary 
erose toothed: anther-tips barely included: ae not seen.—Swamps and 
marshes, S La.—Spr. 
48. I. vi popa Small. Flower-stalk rigid, usually rather slender, 
strict: sepals 8-9 em. long CUT the claw sulphur- -yellow, the midrib yellow- 
green, the blade m or ne nd SO ‘of he Fees lavender- o ground-c P un 
crest ‘represented by a gro , but m ked by a e 7 lancehead o n- 
yellow: petals Con uud slightly mo than t * sepals elliptie cha 
undulate-erisped, the claw suffused with yellow-green a e base, the blade 
much longer than the elaw, colored like the sepal-blade: style- n anches lavender- 
Meus Apps d light lavender- violet, lacerate gos seedy pos 
capsu — Mars and edges of bayous, S La.—Spr.—Although the 
sepal S ied o have rest, color alone indicates it, for there is a groove 
in the base of the al blade instead of a ridge. 
*e 
49. I. rhodantha Alexander. Flower-stalk erect, strict: sepals sharply re- 
eurved, iu elaw lemon-yellow with the wings streak-veined EET he blade 
es ep a poke rose veined orange-brown, the crest intense lemon-ye d a 
de range and yellow i E e at the Hos of the sepal-blade, whieh. is 
2:9 with rose-brown e the crest-zone merge with blade- xn 
ue Pd rose, the m cd i nie -branches old-rose: appendages 
about 5 . long, merely undulate-margined: in tips slightly exserted: 
EE og: seen "Marshes and ditches, S La.—Spr. 
50. I. parvirosea Small  Flower-stalk erect and slender, rigid: sepals 
dicet about 7 cm. long, the claw s yellow, the greenish ps! of body 
and wings pencilled with rd e blade dull-rose, the crest bright- 
M with about 3 laterals the same ped these laterals very ns and 
separated from each other on from the main crest ge-brown veins, 
hich veins after passing th zon rown-rose and radiate a 
the crest e become b 
short distance into the blade: petals light, dull-rose, flushed along the channel- 
sides and below with rosy orange, the base of the claw Mond style- in 
dull greenish-rose, somewhat flushed rosy-orange, the wings pale crea A 
yellow; appendages irregularly toothed: anther- tips included: capsule En seen 
s and marshes, S La.—Spr. 
51. I. Marplei Alexander. Flower-stalk erect, stout, rigid: sepals spreading, 
the elaw lemon-yellow, veined pale yellow- green, its wings veined violet-brown 
