366 The Flowering Plants of Western India. 



a membranous bag; their roots are simple fibres covered with a 

 sheath." 



2. WOLFFIA. 



D. arrhiza (Lemna globosa, D.). Fronds one or two together, 

 roundish. 



Common probably throughout India and Ceylon (#.). "Covering 

 the surface of tanks like a green scum " ((?.). 



" The green mantle of the standing pool." King Lear. 



OBDER 126. ALISMACEJE. 



Marsh or water plants, leaves radical, entire ; flowers regular, 

 perianth segments 6, in 2 series, outer herbaceous, inner peta- 

 loid; stamens 6 or more ; fruit of small achenes or follicles. 



Having passed from plants with flowers barely recognizable as 

 such to the scum that floats on ponds, we return in this order to tall 

 herbs with handsome flowers, practically complete in all their parts, 

 including the well-known English plants of brooks and ditches, 

 Water plantain, Arrowhead, and Flowering rush. 



1. LIMNOPHYTON. Flowers polygamous, stamens 6, fruit of 

 3 or more achenes, receptacle flat. 



2. WISNERIA. Flowers minute, monoecious in remote 

 whorls, stamens 3 ; female flowers with staminodes, carpels 3 to 

 6, fruit as the last. 



3. BUTOMOPSIS. Flowers in bracteate whorls, petals larger 

 than sepals, deciduous, stamens 8 to 12, follicles 6 or 7, 

 erect. 



1. LlMNOPHYTUM. 



L. oltusifolium (Sagittaria o., >.). All smooth, scape and 

 petioles erect, thick, fleshy, obtusely angled, leaves broad, 

 bluntly arrow-shaped, lower lobes long and tapering ; flowers 

 white in whorls on the scape, arising from 3 bracts, sepals and 

 petals roundish ovate, drupes small, dry and wrinkled, collected 

 in round heads. Nalkut. 



Bassein. Guzerat (D.). Throughout the Konkans (G.). H. has 

 stamens 6, and the same appears in other books ; but G. calls the 

 plant polyandrous, and I noted stamens numerous. 



2. WISNERIA. 

 * W. triandra (Sagittaria t., D.). Leaves long-petioled 



