490 
CII. LENTIBULARIACEiE. 
[ Utricularia. 
Order CII. LENTIRULARIACEiE. 
Aquatic or marsh plants or often on wet rocks. Leaves rosulate 
linear, spathulate or orbicular, small or when submerged capillary 
multifid. Flowers irregular bisexual on a scape simple or branched; 
bracts small. Calyx inferior, 2- to 5-lobed. Corolla 2-lipped and 
spurred, upper lip smaller, lower entire to 6-lobed. Stamens 2, 
adnate to base of corolla; filaments wide curved; anther-cells 
ovate confluent. Ovary i-celled, superior globose; ovules on 
free basal placenta; style short; stigma unequally bilobed. 
Fruit a globose capsule. Seeds very many. Species 200, whole 
world. 
1. UTRICULARIA, Linn. 
Leaves in submerged species multifid with minute bladders, 
in terrestrial species linear-spathulate or orbicular, bladders on 
fine threads under ground. Scapes racemose. Calyx bilobed 
often accrescent. Corolla small in Asiatic species, lower lip larger 
than upper. Species 150, whole world. 
Aquatic plants ; leaves divided into capillary seg¬ 
ments with bladders. 
Flowers yellow, plant free floating. 
Peduncles stout; pedicels reflexed in fruit; 
flowers *35 to -5 in. across 
Peduncles slender; pedicels spreading; flowers 
*25 in. across ...... 
Flowers white, 1 in. across; stems 6 ft. long; 
fixed in mud ...... 
Flowers blue, free floating .... 
Terrestrial plants ; leaves linear-spathulate. 
Scales of scape not prolonged below base. 
Stems short erect. 
Flowers yellow several; stem slender, 2 to 6 
in. tall ....... 
Flowers yellow 1 or 2; stem stout, 1 in. long, 
lip semi-orbicular, *25 in. across 
Flowers blue, scape 12 to 13 in. tall, lower 
lip entire . . . . 
Flowers mauve minute, scape 2 to 3 in. tall . 
Flowers violet, scape 3 in. long, lip 3-lobed . 
Stems twining; flowers yellow. 
Very slender; flower -25 in. across 
Rather stout; flower -5 in. across 
Scales and bracts produced below the point of 
attachment. 
Flowers pedicelled yellow; capsule longer than 
sepals ....... 
Flowers sub-sessile small, white 
Flowers few on stiff scapes, dark pink, larger . 
Leaves orbicular or obovate; flowers violet 
with yellow centre, lower Up 4-lobed 
(1) U. flexuosa 
(2) U. exoleta 
(3) U. fluitans 
(4) U. punetata 
(5) U. bifida 
(6) IT. vitellina 
(7) U. Griffithii 
(S) U. minutissima 
{9} U. nigricaulis 
{10) U. Wallichiana 
(11) U. involvens 
(12) U. verticillata 
(13) U. albina 
(14) U. ophirensis 
(15) U. striatula 
