.XXXIV 
.SYNOPSIS OF ORDERS. 
CXLIV. Taccaceje. Herbs, tuberous or rbizomed. Flowers regular. 
Sepals and petals similar. Stamens encluded, hooded, 6. 
Ovary i-celled. Berry. 
CXLV. Dioscoreace^:. Usually tuberous, unisexual climbers. Sepals 
and petals small, green. Stamens 6 or 3. Fruit tngonous 
or 3-winged (one genus erect, flowers larger, bisexual). 
Ovary superior. Flowers petaloid. 
CXLVI. Roxburghiace,e. Herbs, often scandent. Sepals 2. Petals 
2. Stamens 4. Ovary i-celled. Capsule bivalved. 
CXLVII. Liliaceje. Herbs or shrubs. Sepals 3. Petals 3, similar. 
Ovary 3-celled. Fruit, capsule drupe or berry. 
CXLVIII. P0NTEDER1ACE2E. Aquatic herbs. Flowers regular. Sepals 
and petals 6 similar, blue or pink. Stamens 6. Fruit 
capsular. 
CXLIX. PhilydracEjE. Herbs. Leaves sword-shaped. Flowers irre¬ 
gular. Sepals larger than petals, 4. Stamen 1. 
Ovary superior. Sepals herbaceous. Carpels connate . 
CL. Xyride^e. Herbs. Leaves radical grassy. Flowers in a head 
of brown bracts. Sepals glumaceous, 3, 2 or o. Petals 3, 
yellow, connate below in a tube. 
CLI. CommelinACE iE. Herbs. Sepals herbaceous 3. Petals very 
thin 3. Stamens 6 (or less). Capsule containing 1 to few 
seeds. 
Carpels free. 
CLIP ALISMACE2E. Aquatic herbs. Flowers regular. Sepals 3. 
Petals 3. Carpels several, separate. 
CLIII. Triurideje. Minute leafless epiphytes. Flowers unisexual. 
Sepals and petals 3 to 8, connate at base. Stamens in male 
2 to 6. Pistils in female numerous, free. 
CLIV. Naiadace^e. Submerged herbs. Flowers axillary, unisexual. 
Perianth transparent, tubular. Stamen 1. Carpel 1. 
Oblong seed 1. 
Ovary superior. Perianth small, rigid or fleshy, not petaloid. 
CLV. Flagellariaceal. Herbs or woody climbers. Leaves entire. 
Stamens 6. 
CLVI. PalmacevE. Trees or shrubs. Leaves rigid, pinnate or fan¬ 
shaped, lobed. Sepals and petals coriaceous or fleshy, 6. 
Stamens 6 or more. Ovary 1- to many-celled, usually 
3-celled. Fruit a drupe or berry. 
Ovary superior. Sepals and petals none or reduced to scales. 
CLVII. PandanacejE. Shrubs. Leaves stiff, thorny, linear. Flowers 
unisexual in spadices (elongate or compact spikes), no 
perianth. Carpels solitary or connate, numerous in heads, 
woody. 
CLVIII. Aroide^e. Herbs or shrubby erect or climbing. Leaves not 
stiff or armed. Spadices solitary in a convolute spathe. 
Flowers unisexual on the same spike or bisexual. Perianth 
o, or 3 to 9 scales. 
