3 
= iz 
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a- 
JSacnitana] .  ALISMACER. 309 
X Rohilkhund near Pilibhit, and in the Bahraich district of N. Oudh 
.¥ “(Duthie). Disrrrs.: Marshes in N. C. & E. Bengal; also in the 
4. 
La 
4° 
,° © Punjab Plain, ascending to 5,000 ft. in Kashmir and Kumaon; 
+s extending to the Khasia Hills and Australia, but not in Ceylon. 
8. A. oligococcum, F’. Muell. Fragm. Phyt. Austral i, 123; F, 
B. I. vi, 560; Prain Beng. Pl. 1119. 
Leaves membranous, punctate, 3-6 in. long by 2-3 in. broad, broadly 
ovate-cordate, with acute lobes and a narrow sinus, 11-17 nerved ; 
nervules distant. Panicle 6-9 in. long and broad; bracts herbace- 
ous, very large, lanceolate, the lower ones 1-3 in. long. Flowers 
as in A. Plantago. Fruiting sepals reflexed. Achenes 2-6, turgid, 
dorsally keeled, keels tubercled ; endocarp thick, hard ; style very 
short, terminal, deciduous. 
Moradabad (T. Thomson). Dzistrrp.: Marshes, in the plains of 
Bengal and the Punjab, extending to the Swat Valley in the N. W. 
Frontier Province ; also in Ceylon, Trop. Africa and Australia. 
2. SAGITTARIA, Linn.; Fl. Brit. Ind. vi, 561. 
Erect stemless aquatic herbs, usually perennial. Leaves long- 
petioled, elliptic cordate or sagittate. Flowers 1-sexual or poly- 
gamous, in panicled or spicate whorls. Sepals 3, herbaceous, 
persistent. Petals 3, membranous, deciduous, white. Stamens 
in male flowers about 24, with only staminodes in the female 
flowers, or 6-10 in the male flowers, with 9-12 in the hermaphrodite 
flowers; filaments filiform, compressed. Carpels very many, 
crowded on a large globose or oblong receptacle, laterally flattened, 
style ventral or apical, stigma papillose; ovules solitary, basilar. 
Fruit a globose or oblong head of flattened crested or winged 
achenes. Seeds erect or basilar, testa thin, embryo horseshoe- 
shaped.—Species about 15, in temperate and tropical regions. 
Leaves rising above the surface of the water, 
hastate or sagittate ; stamens about 24 in 
the male fls., reduced to staminodes in the 
fem. fis. . 4 7 : é : 
Leaves floating, broadly ovate, deeply cor- 
date, obtuse; stamens 6-10 jn the male 
fis., 9-12 in the 2-sex. fis. c ; . 2. Sy guayanensis. 
D 
1. S. sagittifolia. 
