Monochoria.} XYRIDEA. 1079 
perianth-lobes or ping ahi one usually largest, with its fila- 
ment toothed on one side; anthers basifixed; dehiscence by a 
terminal, ultimately nes slit. Carpels 3, connate in an 
ovoid, sessile, 3-celled ovary; ovules in each cell many; style 
iform ; stigma minutely 2-lobed. Fruit an oblong, membranous, 
loculicidal capsule. Seeds many, ovoid, obtuse, Haig -costate ; 
embryo cylindric, in the centre of the floury album: 
oe elongated, creeping; leaves hastate, sagittate, or cordate; 
ts long-pedicelled, subumbellate or racemose..........++++ iastefolia. 
feed short, suberect ; emer: short-pedicelled, subspicate :— 
Leaves ovate or ovate-cordat ; flowers rather numerous...... vaginalis, 
eaves linear or narrowly es ; flowers few 
vaginalis var. plantaginea. 
f 2234, Monocuorta Hastmrorta Presl; F. B. I. vi. 362. Ponte- 
} deria hastata F. I. ii. 121. P. sagittata F. 1. ii, 124. P. 
dilatata F. I. ii. 1 
In all the provinces 
An aquatic herb. 
2235. Monocuorra vacrnais Presl; F. B. I. vi. 863. Ponte- 
deria vaginalis F. I. ii. 121. 
Bengal; E. Ben 
An aquatic herb, Beng. Nukha. 
2235/2. Var. PLANTAGINEA ames gag F. B.. 0 vi... B68. 
Pontederia plantaginea F. I. ii. 128. 
In all the provinces. 
A small aquatic herb. 
Order CXXXVIII. XYRIDEZ. 
Rigid, cmspitose herbs. Leaves radical, linear or subulate. 
Flowers hermaphrodite, somewhat irregular, sessile in the rigid, 
dark-bro own, imbricating bracts of a terminal head or spike, on a 
simple, naked sca ape. Perianth inferior, 2- seriate. Sepals 2, 
lateral, small, like bracteoles, dorsal larger, embracing corolla, or 
sent, all caducous. Petals 3, connate in a slender, short or long 
3 lobes 3, equal, spreading. Stamens 3 perfect, shorter than 
Corolla-lobes, and attached near their bases; filaments short, fili- 
°rm; anthers oblon mg, dorsally attached; cells 2, parallel or 
divergent below; dehiscence longitudinal ; staminodes 3, alternate 
a ESE Ne RR ae aS 
ene - 
