428 THE STORY OF PLANT LIFE 



united ; ovary superior, rarely multilocular, gene- 

 rally i-locular, with i to numerous campylotropous 

 ovules ; perisperm ; embryo curved ; mostly herbs. 



Sub-Order i. Chenopodine^. — Perianth homochlamy- 

 deous, sepaloid, 5-partite; stamens 5, opposite; ovule 

 solitary. 



Family i. Chenopodiaceae (Vol. Ill, p. 194). — 

 Flowers uni- or bisexual, homochlamydeous ; perianth 3 to 

 5-partite, persistent after flowering; stamens 5 or 3, bent 

 inwards in bud; ovary i-locular; ovule i, basal; stigmas 

 usually 2 ; fruit a nutlet or pyxidium, indehiscent. 

 (a) Cyclolobeae. 

 Tri'de I. BetecE. 



Genus. Beta. 

 Tribe 2. Chenopodiece. 



Genus. Chenopodium (Vol. Ill, p. 196). 

 Tribe 3. Atriplicece. 



Genus. Atriplex (Vol. Ill, p. 198). 

 Tribe 4. Saiicorniece. 



Genus. Salicornia (Vol. Ill, p. 200). 

 {b) Spirolobeae. 



Tribe 5. SucBdece. 



Genus. Suceda (Vol. Ill, p. 202). 

 Tribe 6. Salsolece. 



Genus. Salsola (Vol. Ill, p. 204). 

 Family 2. Amarantacese.— Flowers unisexual; peri- 

 anth 3-5-partite ; stamens 3-5, opposite, persistent ; ovary 

 I-locular; ovule i ; stigmas 3. 

 Genus. Amarantus. 

 Sub-Order 2. PHVTOLACCiNEiE. — Flowers haplo- or 

 heterochlamydeous, with a tendency to spiral arrangement ; 

 stamens sometimes numerous ; carpels sometimes only 

 slightly united. 



