444 THE STORY OF PLANT LIFE 



apopetalous, bisexual, 4-6-partite ; sepals and petals 4-6, 

 latter crumpled in bud; stamens 8-12; carpels (2-6); 

 ovules 2 to many, free from flower-axis ; ovary syncarpous, 

 2-locular ; fruit a 2-valved capsule. 

 Tribe. LythrecB. 



Genera. Lythrum (Vol. II, p. 240), Peplis. 

 Family 4. Epilobiaceae (Vol. II, p. 243, under 

 Onagracese). — Flowers actinomorphic, heterochlamydeous, 

 bisexual, epigynous ; sepals and petals 2-4, convolute ; 

 stamens 2-4 or 8 ; ovary inferior, syncarpous, 4-locular, 

 with axile placentae ; fruit a capsule or nut. 

 Tribe. CE?iotherece. 



Genera. Ludwigia, Epilobium (Vol. II, p. 245), 

 CEnothera (Vol. II, p. 247), Circcea (Vol. 

 II, p. 249), Fuchsia. 

 Family 5. Halorrhagaceae (Vol. II, p. 230). — Flowers 

 small, heterochlamydeous, apopetalous by reduction, uni- 

 sexual ; sepals 2-4 or o ; stamens 8, 4, 2 or i ; ovary 

 inferior, of i carpel or syncarpous and 4-locular; ovule i 

 in each loculus. 



Sub-Family i. Halorrhagoideae. 



Genus. Myriophyllum (Vol. II, p. 235). 

 Sub-Order 3. Hippuridine/e. — Flowers epigynous ; 

 stamen i ; i carpel ; i ovule without integument. 



Family 6. Hippuridaceae. — Flowers small, axillary, 

 naked ; carpel i with i undivided style. 



Genus. Hipp2iris (Vol. II, p. 232). 



Order 20. Umbellales (UMBELOFLORiE).— 

 Flowers cyclic, heterochlamydeous, usually haplo- 

 stemonous, epigynous, 5-4-partite rarely indefinite, 

 usually bisexual, actinomorphic ; carpels (5-1) or 

 (indefinite), each with i or rarely 2 pendulous, 



