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308 ALISMACE HA, [ ALISMA. Nex 
“ye 
Petals 3, membranous, deciduous. Stamens 6 or 9, in two o7 > 
three series; filaments filiform. Carpels few or many, receptacle °*. 
gmall; stigma small, terminal; ovule solitary, anatropous, basilar. .. ‘2 
Fruit of few or many compressed or turgid coriaceous or hard * 
achenes. Seeds erect, basilar, testa membranous, embryo horse-  °. 
shoe-shaped.—Species 6, cosmopolitan. .. 
Leaves linear-ovate-lanceolate or subcordate, 
5-7-nerved; achenes membranous, com- 
pressed . $ : . : ; . 1. A. Plantago. 
Leaves 11-17-nerved ; achenes hard, turgid :— 
Leaves coriaceous, orb-cordate or reniform 
with rounded lobes and rounded or emar- 
ginate apex . : : : . . 2, A. reniforme. 
Leaves membr., broadly ovate-cordate, with 
acute lobes and a narrow sinus : . 3. A. oligococcum. 
1. A. Plantago, Linn. Sp. Pl. 342; F. B. I. vi, 559; Watt 
E. D.; Collett Fl. Siml. 545; Prain, Beng. Pl. 1119.—Water 
Plantain. 
Rootstock fleshy, swollen. Leaves radical, 6-8 in. long, erect or spread- 
ing, linear ovate-lanceolate or subcordate, 5-7-nerved ; petioles up to 
10 in. long. Scape 1-4 ft. high, swollen and fleshy below. lowers 
in panicled whorls, 4 in. in diam. Sepals oblong, spreading in fruit. 
Petals white or pink, the claws yellow. Stamens 6. Achenes 20-30 
in a single whorl, membranous, compressed ; style ventral, twice as 
‘ long as the ovary, slender, deciduous. 
Dehra Dun (Wallich). Distris.; Outer Himalayan ranges in marshy * 
ground from Kashmir eastwards, up to 7,000 ft. ; also in N. Bengal, 
Manipur and Burma, extending to N. & S. Temp. regions. 
Ln fr 
2. A. reniforme, Don Prod. 22; F. B. I. vi, 560; Prain Beng. 
Pl. 1119 ; Collett Fl. Siml. 546 (in note). 
Leaves coriaceous, 14-4 in. long, often broader than long, orb-cordate 
or reniform, 13-17-nerved; tip rounded or emarginate; nervules 
very fine and close. Scape 1-3 ft. Flowers white, 4 in, in diam. in 
large whorled panicles, branches and pedicels long. Sepals as long 
as the petals, persistent, at length reflexed in fruit. Achenes 5-8, 
turgid, dorsally ribbed; endocarp thick, hard; style subterminal, 
zlender, persistent, 
