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LV. LENTIBULARIE.E. 
Order LV. LENTIBULARIEiE. 
Marsh or aquatic herbs, often floating. Leaves various, sometimes 0, or 
reduced to minute bladders. Flowers on leafless scapes. — Calyx usually 2- 
lobed or of 2 sepals, rarely 5-lobed. Corolla irregular, 2-lipped, produced 
into a prominence or spur behind. Stamens 2, inserted at the base of the 
tube; filaments short incurved; anthers 1 -celled. Ovary free, 1 -celled; 
style short, stigma 2-lipped ; ovules numerous, on a free central placenta. 
Capsule 2 -valved, many-seeded. Seeds minute; albumen 0 ; embryo short. 
An Order of two principal genera, one of which {Utricularia) is found in almost all parts 
of the world. 
1. UTRICULARIA, Linn. 
Herbs, often aquatic. Stems 0, or creeping or slender and floating ; rhizome 
bearing minute air-bladders. Leaves 0 or cauline or radical, usually linear and 
quite entire or multifid. Scape slender, 1- or more-flowered. — Sepals 2, nearly 
equal, entire toothed or lobed. Corolla 2-lipped ; lower lip gibbous or 
spurred at the base. Stamens 2 ; anthers adnate to the thick filament. Ovary 
globose ; stigma 2-lipped. 
A large genus, found in all parts of the temperate and tropical world. The New Zealand 
species want searching for and working up. 
Stems floating. Leaves capillary, multifid. Flowers yellow . . 1. U. protrusa. 
Stem 0 or creeping. Leaves linear. 
Scape 3-4 in., 1-4-flowered. Upper lip of corolla white, cuneate 2. U. novce-Zelandia. 
Scape 1—1 in., 1-flowered. Upper lip of corolla purple, linear . 3. Z7. monanthos. 
Scape 3-4 in., l-4-flowered. Upper lip of corolla linear . . . 4. U. Colensoi. 
1. U. protrusa, Hook.f. FI. JV. Z. i. 206. Stems floating, slender, a 
span long, covered with capillary multifid leaves and bearing minute bladders. 
Scape stout, erect, 2-4-flowered. Sepals oblong. Corolla yellow ; upper lip 
3-lobed, lower broader, subquadrate, its disk protruded ; margins recurved. 
Spur short, obtuse. 
Northern Island : bogs. Bay of Plenty, Colenso. The above description is taken from 
the ‘Flora of New Zealand,’ the specimens being lost. 
2. U. n ova; -Z elan due, Hook. f. FI. N. Z. i. 206. A slender herb. 
Roots or rhizomes creeping, fibrous, covered with pedicelled bladders. Leaves 
all radical, few, linear-lanceolate, quite entire, 1 -nerved, deciduous. Scape 
3-5 in. high, simple, erect, 1-4-flowered at the very top. Flowers shortly 
pedicelled ; bracts broadly ovate, obtuse. Upper sepal orbicular, obtuse, 2- 
lobed or retuse ; lower concave, obscurely 3-toothed. Corolla white ; upper 
lip wedge-shaped, retuse, lower broadly axe-shaped ; margin entire. Spur 
prominent, obtuse. 
Northern Island : wet rocks at Palliser Bay, Colenso. Allied to the Australian U. 
dichotorna x but much smaller. 
3. U. monanthos, Hook.f. ; — FI. Tasm. i. 298. A small, very slender, 
erect plant, not 1 in. high. Rhizomes or roots creeping, bearing minute pe- 
dicelled bladders. Leaves narrow linear-lanceolate. Scape 1-flowered, |-1 
