268 LILIACEM. [ CHLOROPHYTUM. 



PI. Cult. 81. Vern. Gandina (The Leek). Leaves flat. Umbels 

 dense, bearing flowers only. Filaments 2-toothed. Bulb long, 

 cylindric, simple. 



6. A. sativnm, Linn. ; Roxb. 1. c. 142 ; F. B. I. vi, 337 ; Watt 

 E. D. ; Dufhie in F. and G. Crops Pi. iii, 34, t. 66 ; Prain Beng. 

 PI. 1076 ; CooJce Fl. Bomb, ii, 775. Vern. Lasun or rasun (Garlic).. 

 Leaves flat. Bulb short, compound. Umbels lax, bearing both 

 flowers and bulbils. 



CXII.-PONTEDERIACEJE 



Fresh : water and marsh ^herbs, erect or floating. Leafy stems 

 1-foliolate, springing from the buried rootstock or from the joints 

 of the floating stem ; basal leaves long-petioled, blade floating or 

 upraised. Flowers 2-sexual, slightly irregular, arranged in racemes 

 or spikes, rarely fascicled or in panicles at the ends of 1 -leaved 

 stems or branches ; bract under the inflorescence spathe-likey 

 bracts under the flowers minute or obsolete. Perianth inferior, 

 petaloid, marcescent, usually tubular ; lobes 6, sub-2- seriate, 

 similar or the 3 inner smaller. Stamens 6 or 3, unequally adnate 

 to the perianth tube or to the base of the perianth-lobes, usually 

 declinate, the upper shorter, filaments free ; anthers usually oblong,, 

 with 2 parallel distinct cells, dehiscence introrse, longitudinal or 

 porous. Ovary free, 3-celled and with axile placenta's, or 1 -celled 

 and with 3 parietal placentas, each placenta with many 2-seriate 

 ovules, sometimes with only one fertile ovule in each cell, ana- 

 tropous, pendulous or suspended, style filiform or columnar ; stigma 

 terminal, entire or lobed. Fruit a dry membranous loculicidally 

 3-valved capsule. Seeds ovoid or ellipsoid, small, testa longi- 

 tudinally ribbed, albumen horny or floury ; embryo central, cylin- 

 dric. Species about 36, found chiefly in Trop. Africa and America. 

 



MONOCHORIA, Fresi. ; FL Brit. Ind. vi, 362. 



Aquatic herbs. EootstocJc short or long, clothed with leaf- 

 sheaths. Leaves radical and solitary at the top of the emerging 

 stem or branches ; radical long-petioled, all cordate- ovate, sagit- 

 tate or lanceolate. Flowers in a raceme, sessile within the axil of 

 the cauline leaf and fasciculately long-pedicelled, or pedunculate 



