DIANDRIA, MONOGYNIA, 
11 
Icon. fl. Dan. 138. 
Common Bladder-wort^ or Hooded-milfoiL 
An aquatic plant, with the flowers alone appearing above 
the surface of the waler. Flowers large, yellow, with red 
veins. In pools and ditches where the water is stagnant, in 
Jersey. Very abundant near Woodbury ; and on this side of 
the Delaware on the road to Glouctister point. Perennial. 
I July. 
1. U. scape with vesicular leaves, divided and ca- ceratophyiia. 
pillary branched at their extremities. Vahh Mich. 
U. inflata. Walt. fl. car. p. 64. 
Largest Bladder-wort. Horn-wort- leaved Hooded 
Milfoil. 
This very singular plant, is described by Mr, Nuttall, as the 
largest American species. It is much larger in the southern 
states than here. Hitherto I have detected it in a single 
place, and though there extremely abundant, covering the 
surface of a large pool ; it seldom attains a much greater size 
than No. 2. Readily identified by the four or six long, inflated, 
fimbriated leaves which proceed from the base of the scape, 
and support the plant on the surface of the water. Flowers 
yellow, and here, about the size of those of No. 2. In a stag- 
nant pool, situated in a wood about half a quarter of a mile 
east of the few last houses of the south end of the village of 
Woodbury, Jersey. Perennial. July, August. 
3. U. nectary gibbous and keeled ; the mouth of minoi% 
the corolla open. Vahl. Willd. 
Icon fl. Dan. 128. 
Flowers deep yellow, but smaller than those of No. 2. In 
shaded swamps, and similar places with U. vulgaris, in Jer- 
sey. Raj e. I have never found it on the Pennsylvania side of 
the Delaware. Perennial. August. 
4. U. nectary gibbous ; the segments of the corolla 
roundish ; scape one-flowere.1. Willd. 
A small species, perhaps never exceeding one fourth the 
size of either of the preceding. Flowers smaller than in No. 
3, and lighter yellow. In quagmire bogs ; and in shallow 
stagnant pools. In the Neck, about a mile from the city, and 
no great distance from the Delaware. Very abundant near 
the spot where the Cyamus flavicomus grows. Often floating. 
