CLXIX. ALISMACEE. (J. D. Hooker.) 561 
3. SAGITTARIA, Linn. 
Erect stemless, usually perennial water plants. Leaves long-petioled, 
ic cordate or sagittate. Flowers in panicied or spicate whorls, 
uusexual or polygamous. Sepals 3, herbaceous. Petals 3, membranous, 
deciduous. Stamens 6 or more; filaments filiform, compressed. Car- 
pes very many, crowded on a large globose or oblong receptacle, 
laterally flattened ; style ventral or apical, stigma papillose ; ovules solitary, 
Fruit a globose or oblong head of flattened crested or winged 
&henes, Seeds erect, testa thin ; embryo hippocrepic.—Species about 15, 
temperate and tropical. 
l S. sagittifolia, Linn.; leaves hastate or sagittate, achenes flat 
orally winged. Kunth Enum. iii, 156; Rowb. Fl. Ind. iii. 645; Wall. 
Cat. 4991; Reichb, Fl. Germ. vii. t. 53; Boiss. Fl. Orient. v.11; Micheli 
Pade. Monogr. Phan. iii. 66. S. hermaphrodita, Ham. in Wall. Cat. 
c.g. hastata, Don Prodr. 22. Sg. Doniana, Sweet, Hort. Brit. 1826. 
Y In tanks, &c., throughout the plains of INDIA from the Panjab to Bengal and 
Unipore.—[rsrRrp, Europe, N. Asia, N. America. 
dentes obtuse or acute, 2-8 in. long, very rarely elliptic or lanceolate, lobes more 
" es diverging 3 petiole 8-18 in., trigonous. Scape 6-18 in., with 3-5 whorls of 
Owers each 1 in. diam. ; lower whorls fem., upper male, with longer pedicels ; 
ts short, obtuse. Flowers $ in. diam. ; petals white, claw often purple. Achenes 
ely obovate, apiculate, wings broad entire or subcrenate. 
l 2 s. suayanensis, Humb. Bonpl. & Kunth, Nov. Gen. & Sp. 1.250; 
iw floating broadly ovate deeply cordate obtuse, achenes flat surrounded 
5 broad toothed wing. Kunth Enum. ii. 161. S. cordifolia, Rowb. Fl. 
Walt o 647; Kunth Le S. Lappula, Don. Prodr. 22. _S. parviflora, 
Ge | Cat, (ea Micheli), Alisma? Hamiltonianum and cristatum, Wall. 
1993 4993, 4994, 4995. A. stellatum and pubescens, Ham. ex Wall. Cat. 
Se 4995. Lophiocarpus guayanensis, Micheli in A.DC. Monogr. Phan. 
uta tanks and marshes, throughout the plains of INDIA, to BURMA and the 
Be, í PENINSULA, but not very common ; (not in Ceylon).—DisTR15. Malay Islands, 
P trop. Australia, . . 
branos 17,7 7426, and pedicels often more or less hairy. Leaves 1-2 in., mem- 
de lobes broad acute or obtuse, sinus broad or narrow; nerves radiating, 
it few 3 petiole long or short. Scape 6-18 in., stout. Flowers % in. diam., white, 
whorls .PProximate irregular whorls ; pedicels short, very stout ; flowers of the lower 
Lin Usually ternate, bisexual, 9-12-androus, of the upper more numerous, male, 
“androus, Petals obovate, erose. -Anthers cordate at the base. Achenes very 
4. WISNERIA, Micheli. 
lane *Pigerous marsh or water herbs. Leaves long-petioled, filiform 
ate or oblanceolate. Flowers minute, moncecious, in remote involu- 
ne), Dier S on a very slender rachis; involucre campanulate, truncate, 
equal ous Sepals 3, equal or one larger, persistent. Petals 2-4, 
ng or smaller than the sepals. MALE FL. Stamens 3. Pistillodes 
tpt, we rw. rt, Staminodes setaceous. Carpels 3-6, erect, ovoid; re- 
nacle small tumid; style 0, or terminal, short, stigma minute; ovule 
dup); basilar. Achenes and seed subglobose or compressed; embryo 
tar, Picate, hyppocrepic.—Species 3, Trop. Asia, Africa, and Madagas- 
VOL, vr, 00 
