Triglochin 
maritimum, 
NAIADECES. 
F. B. I. vi. 568. 
Hima'aya, 
12-16,000 ft. 
In marshes. 
Aponogeton 
monostachyon, 
NAIADACER. 
F. B. I. vi. 564. 
The Plains. 
In tanks. 
Aponogeton ecrispum, 
NAIADACES. 
1 Hed bail ay aaa | ove 
The Plains, in 
tanks. 
Lemna minor, 
Lesser Duckweed, 
LYuMNACEA. 
F. B. I. iv. 556. 
The Plains to 
9,000 ft., 
itagnant water. 
Plants of the Punjab. 641 
WATER PLANTS. 
Herss UNBRANOHED. 
PETALS UNUNITED. 
like the last species, but larger, stouter, more tuber- 
ous at the base, leaves slightly flattened at the tip, flowers 
larger, carpels 6, 
PETALS NONE 
submerged, rootstock tuberous ; leaves 8-6 in., floating, 
oblong, short-pointed or blunt, base wedge-shaped, rounded 
or notched ; flowers white, on sessile single or double spikes 
on a long stalk, young spikes enclosed in a conival sheath 
which soon falls off, sepals 8, ovate with a broad tip to 
lanceolate, petals none, stamens 6, fruit of 3 smooth leathery 
carpels, seeds 4-8. " r 
like the last species, but leaves much larger, 1-3 ft., 
submerged, linear-oblong to lanceolate, thin, transculent, 
flat or undulate, spike solitary, sepals much longer than 
the three to four smooth 1-2-seeded follicles. 
Herss LEAFLESS. 
PrraLa NONE. 
minute, floating, growing in colonies bearing a leaf-like 
frond and one single root-fibre with a root cap; the frond 
1-1 in. long, broadly ovate or oblong, nearly flat on both 
surfaces, green above ; flowers in the marginal cleft of the 
frond, at first enclosed in a minute sheath (spathe), sepals 
and petals none, stamens 2, style long, ovule one ; fruit a 
bottle-shaped utricle with one leathery seed. This piant 
ig generally propagated by buds, which appear in the 
groove at the back of the frond. 
