506 BENGAL PLANTS. f 
Order LVII. ONAGRACEZ. 
pas or perennial herbs, sometimes aquatic, rarely shrubs. 
Leave opposite or alternate, entire or toothed, rarely (in some 
Flowers hermaphrodite, regular or slightly irregular, 
Petals 2-5, alternate with lobes of calyx, rarely 0. Stamens 1-4, 
rarely 5, 6, or 12, 1-2-seriately attached along with petals to the 
disk, sometimes one series imperfect; filaments filiform, some 
times declinate ; ; anthers dorsifixe d; dehiscence longitudinal, q 
introrse. Ovary inferior, rarely half-inferior, 1-6-locular, ; 
usually 4-locular, or 1-locular from absorption of septa; style 
filiform, entire; stigma capitate, entire or 4-lobed or ee 
ovules ae anatropous, solitary, or numerous 1-seriate, 
numerous many-seriate. Fruit dehiscent capsular, either sep! 
sideil & or loculicidally 4-valved with persistent axis, or r indehiseent 
nutlike, or a berry. Seeds many, few, or solitary, usually small 
albumen 0 or very scanty ; embryo usually obovoid. 
Seeds numerous; plants growing in swamps :— a 
Stamens twice as many as lobes of calyx .. een cele 
Stamens equal in number to lobes of calyx 
Seed solitary ; an aquatic, with spongy leiaiova.¢ on n the Teaf- oe 
351. Jussiea Linn. 
Herbs or undershrubs, marsh or aquatic ; leaves alternate, : 
usually entire. Flowers axillary, solitary, yellow or Ciel 
teoles usually 2 at apex of ee Sepals gt connate 1 & 
persistent. Petals 4-6, epigynous. Stamens 8, 10, 
epigynous. Carpels 4-6, connate in an inferior 4~6-cé 
ovules many, several-seriate on vertical axial placentas 
simple, usually short, stigma 4-6-lobed. Fruit a linear, ane 
angled, 4~6-celled, and 8-12-ribbed capsule ; dehiscence 5°? 
the ribs persistent, or irregular between the ribs. Seeds n numerous 
- testa hard or spongy ; cotyledons obtuse. 
