268 : LILIACEA. [ CHLOROPHYTUM. 
Pl. Cult. 81.—Vern. Gandina—(The Leek). Leaves flat. Umbels 
dense, bearing flowers only. Filaments 2-toothed. Bulb long, 
cylindric, simple. 
5. A. sativam, Linn. ; Rozb. 1. c. 142; F. B. I. vi, 337; Watt - 
E. D. ; Duthie in F. and G. Crops Pt. ivi, 34, t. 66 ; Prain Beng. 
Pl. 1076 ; Cooke Fl. Bomb. u, 775.—Vern. Lasun or rasun (Garlic). 
Leaves flat. Bulb short, compound. Umbels lax, bearing both 
flowers and bulbils. , : 
CXII.—_PONTEDERIACEZ:. 
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-like, 
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 placentas, 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 fléury ; embryo central, cylin- 
dric.—Species about 36, found chiefly in Trop. Africa and America. 
MONOCHORIA, Fresi.; Fl. Brit. Ind. vi, 362. 
Aquatic herbs. Rootstock 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 
