282 LENTIBULACEJE. (BLADDERWORT FAMILY.) 
1. S. floribundus, Kunth. Stem at length much branched; leaves obo- — 
vate, the lowest tufted, spreading, the others scattered ; racemes many-flowered; 
pedicels long, filiform, minutely bracted in the middle; capsule globose, longer 
than the calyx ; flowers minute. — Brackish marshes, Florida to Mississippi, — 
and northward. May-July. @ — Plant 6’— 12/ high, pale green. 
2. S. ebracteatus, Kunth. Stem simple or sparingly branched, naked . 
above; leaves spatulate-obovate; racemes few:flowered ; pedicels bractless; — 
capsule shorter than the calyx ; flowers conspieuous.— Saline marshes, Florida, — 
and westward. May and June.— Stem 1°- 2° high. 
Order 88. LENTIBULACE®. (BripprnwonT FAMILY) E 
Aquatic or marsh herbs, with entire or dissected leaves, and irregular i 
flowers. — Calyx 2-lipped. Corolla 2-lipped, personate, spurred at the — 
base. Stamens 2, short, included: anthers 1-celled. Ovary free, ovoid, - 
1-celled. Ovules numerous, anatropous, inserted on the free central 
globose placenta. Style short : stigma 2-lipped, the lower lip larger and. 
covering the anthers. Capsule globose, many-seeded, opening irregularly. p 
Embryo straight and thick. Albumen none. ; 
* 
1. UTRICULARIA, L. Brapperworr. 
Lips of the calyx entire. Throat of the corolla nearly closed by the - 
projecting palate; the lips entire or slightly lobed, the lower one with an ap- 
pressed or depending spur at the base. — Herbs, floating in still water by means — 
of small air-bladders attached to the finely dissected leaves (or roots), or rooting 
in damp earth, with entire leaves, and few or no air-bladders. Scapes or pP% - 
duncles 1 - many-flowered. 
* Stem floating: upper leaves whorled, on inflated petioles; the others scattered and 
finely dissected : flowers yellow. 
1. U. inflata, Walt. Scape 5- 10-flowered ; corolla large (3^ wide); the — 
lower lip 3-lobed, twice as long as the appressed conical notched spur, the pne : 
concave, nearly entire; fruit nodding. — Var. MINOR. Every way smaller fe 
scape 2-flowered. — Ponds and ditches, Florida to North Carolina, and w T 
ward. April and May. — Stem 2° long. Scape 6'— 12! high. oer 
* * Stem floating : leaves all scattered and finely dissected: flowers yellow. 
.2. U. vulgaris, L. Leaves decompound; scape scaly, 5 - 12-flowèred; Jc 
throat of the corolla closed by the prominent palate; the lobes nearly ork i 
with refexed margins, longer than the conical obtuse somewhat spreading e 
spur; fruit nodding.— Ponds and still water, Mississippi to North Carolinb © 
and northward. May - July. — Stem 29 -39 long. Scapes 6/- 12! high. Ur 
. .. rolla ]' wide. mes "e acr T xeu Pu 
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