. A manual of Indian botany. Botany. PETALOIDE.E 283 (fig. 256), a common herb of marshes and rice-fields, with elliptic-acute radical leaves, milky juice, herma- phrodite flowers, and many ovules scattered over the inner wall of the carpels (superficial, s.p.). The perianths are petaloid and serve to attract insects. Nat. Order 5. Naiadacece.—Sca- pigerous marshy herbs, either sub- merged or float- ing, with elon- gated branched stems. Flowers hermaphrodite or unisexual, green and inconspicu- ous, in spikes, racemes, or spa- dices. Perianth o, or 4-parted, in- ferior. Stamens I to 6. Pistil o
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. A manual of Indian botany. Botany. PETALOIDE.E 283 (fig. 256), a common herb of marshes and rice-fields, with elliptic-acute radical leaves, milky juice, herma- phrodite flowers, and many ovules scattered over the inner wall of the carpels (superficial, s.p.). The perianths are petaloid and serve to attract insects. Nat. Order 5. Naiadacece.—Sca- pigerous marshy herbs, either sub- merged or float- ing, with elon- gated branched stems. Flowers hermaphrodite or unisexual, green and inconspicu- ous, in spikes, racemes, or spa- dices. Perianth o, or 4-parted, in- ferior. Stamens I to 6. Pistil of I to 6 carpels, apo- carpous. Fruit achenes, follicles, or drupes. The Order is temperate and tropical. Common plants: Pond Weed or Potamogeton indicus has small green 2-sexual flowers in scapes rising from a spathe, perianth of 4 segments; carpels 4, i-ovuled; floating leaves large, coriaceous; submerged leaves longer, narrower, and membranous. P. crispus (^g. 257) is a pond- weed with oblong crisped leaves. This family agrees with the SpadiciflorcB in some respects, and is there- fore sometimes included in that sub-class.. FIgf. 256.—Buiomopsis lanceolata s.fi., Superficial placentation.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bose, G. C. London, Blackie & Son Ltd.