196 133. Trichomema. 20. IRIDEiE. 
PL end. ph . 
Scape 3 in. high ; leaves very narrow, flexuous, furrowed ; 
perigonium blue, tube very short ; spalhe half as long as the 
perigonium ; scape shorter than the leaves. 
III. 134. IRIS. Theophrastus. Fleur-de-luce . 
Tube of the perigonium short ; limb 6-parted ; lobes un- 
equal, 3 outer lobes spreading or reflexed ; 3 inner smaller, 
upright or inflexed; stamens 3, distinct ; style 1, short, 
3-lobed ; lobes petaloid, often nicked, furrowed above ; stig- 
mata 3, on the duplications on the lower surface of the peta- 
loid lobes; capsule 3-sided ; seeds many, globose; spermo- 
dermis double; shell spongy, loose; corculum straight, half 
the length of the perisperm. — Leaves ensiform, 2-rowed ; 
stem compressed, leafy; spalhe 2 or 3 valved, 2 or 3 flow- 
ered ; valves keeled, herbaceous, edge membranaceous; 
flowers fascicled, yellow or blue, striated or veined. 
a. Leaves flat , equitant , ensiform , c l-rowed ; rhizoma 
creeping , depressed , annulate ; lobes of the perigonium 
beardless. Iris. 
1 . Iris palustris . Marsh fleur-de-luce . 
Stem compressed, ovate, many-flowered; lobes of the 
perigonium beardless ; inner erect, smaller than the stig- 
mata; leaves ensiform. 
Iris palustris lutea, Ran Syn. 374, 1 ; Ger. em. 50,2. 
Iris Pseudacorus, Lin. S. P. 56. 
Iris lutea, Lamarck FI. Fr. 3, 496. 
Iris palustris, Salisb. Prod. 44, 
Yellow flag. Water flag. Bastard fleur-de-luce. Seggs , in the North, 
Ponds and watery-places ; perennial; July. 
Stem 4 feet high, 3 to 6 flowered, higher than the leaves ; 
leaves 1 in. broad ; flowers yellow, spotted with deeper 
yellow, veined with black; stigmata yellow. — Roots acrid 
when fresh, warm when dry, may be substituted for galan- 
gals; juice of the root purgative in doses of 80 drops every 
hour, but is very violent in its operation; seeds roasted 
resemble coffee, having more nearly the same aroma than 
any other substitute for that drug. 
/3. pallida. Flowers pale yellow or white. 
Iris palustris pallida, Raii Syn. 375,2. 
2 . Irisfcetida . Stinking fleur-de-luce. 
■ Stem 1 -edged, few-flowered; lobes of the perigonium 
beardless; inner larger than the stigmata, spreading very 
much; leaves swordshape; ovary 3-sided ; angles furrowed, 
2-cut. 
