624 



Plants of the Punjab. 



WATEE PLANTS. 

 Herbs with Opposite Exstipulate Simple Leaves. 



Hygrophila spinosa, 



Hydrilla verticillata, 



Janjh,jala. 



HyDROCHARITACEjE. 



P. B. I. V. 659. 



The Plains to 

 2,000 ft. 



In still or slowly- 

 running waters. 

 Baluchistan. 



Petals united. 



see Herbs, Erect, Opposite, Exstipulate, Simple, 

 Entire, Corolla 2 -lipped. 



small, submerged, leafy, forming large masses, male 

 and female organs m separate flow; rs ; leaves |-^ in.j 

 linear or oblong-linear, four to eight leaves in a whorl, 

 with a short sheathmg one at the base of each branch, and a 

 short pair above this ; flowers ^ to | in. long, male flowers 

 solitary, shortly stalked in small sessile nearly round 

 sheaths, rough with short processes, sepals 3, ovate, green, 

 petals 3, oblong or wedge-shaped, stamens 3, anthers 

 large, kidney-shaped, the male flower when mature 

 escapes from the sheath and floats on the water, female 

 flow^ers 1-2, sessile in a tubular 2-toothed sheath, sepals 

 and petals as in the male flower, styles 2-3, linear, undivid- 

 ed, stigmas 3, frmged, the styles and stigmas are contained 

 in a beak of the ovary which projects beyond the sheaths ; 

 fruit awl-shaped, smooth or rough, seeds 2-3, oblong. This 

 plant is used by sugar refiners to cover the sugar and allow 

 water to pass through slowly. 



medium size, stem thread-like, branchmg, leafy, sub- 

 merged, male and female organs in separate flowers ; leaves 

 3-4 in. long, linear-lanceolate, often twisted, nerveless, 

 short-pointed, scattered ; male flowers minute, many, on a 

 short spadix on an ovoid 2-valved axillary sessile sheath, 

 sepals 3, petaloid, petals rather shorter, anthers 2, ovoid, 

 female flower solitary, sessile in a narrow oblong sheath, 

 sepals and petals as in the male, styles 3, stout, notched 

 on the filiform beak of the ovary ; fruit ovoid, oblong, or 

 linear, many-seeded, 



small, annual, floating, bearing runners which produce 

 buds, break off in the auturon, sink to the bottom and come 

 up next spring to become new plants ; leaves 1-1| in. diam., 

 circular or kidney-shaped, quite entire, often reddish 

 beneath, male and female organs in separate flowers ; 

 Kashmir, in stagnant flowers 1| in. diam., male flowers 2-3 in a stalked two- 

 water, leaved sheath, sepals 3, green, small, oblong, petals 3, thin, 



broadly ovate with a broad tip, papery,crumpled, white, 

 stamens 6-9 with 3-6 staminodes, filaments forked, female 

 flowers solitary, long-stalked, sepals and petals as in the 

 male flower, but wdth a fleshy tubercle at the base, stami- 

 nodes 6 in pairs, stigmas 6, linear, 2-fid ; fruit fleshy, ovoid 

 or oblong, 6-celled, seeds many. 



Lagarosiphon 

 Roxburghii, 



Hydro CHARiTACE^. 

 F. B. L V. 659. 

 The Plains in 

 stagnant water. 



Hydrocharis 

 Morsus-ranae, 

 Frog Bit, 



Hydrocharitace^ 

 F. B. L V. 662. 



