76 



CVII, CHENOPODIACE.E (BAKER AND CLARKE), 



Order CVII. CHENOPODIACEiE. (By J. G. Baker and 

 C. E. Clarke.) 



Flowers small, 1- or 2-sexual. Perianth inferior, usually 5-fitl. 

 Stamens 5, or sometimes fewer ; anther-cells 2, oblong. Ovary free, or 

 sometimes immersed in a disc ; style short or long, with 2 or 3 branches. 

 Ovule 1, suspended from, rarely supported upon, a basal funicle. Utricle 

 included in the persistent perianth. Embryo peripheric (making one 

 complete coil or less) round albumen ; or spiral (making more than one 

 coil) with no (or hardly any) albumen. — Herbs or small shrubs (or 

 Basella a twiner). Stems continuous, or (in several genera) with 

 numerous approximate transverse articulations (or pseudo-articulations). 

 Leaves alternate, sometimes flat, sometimes thick subcylindric, or even 

 obovoid, in several genera or nearly <>. Flowers mostly in clusters 

 in the axils of the leaves, or sunk in the articulations of the stem, but 

 often running into (apparently terminal) spikes. 



Species 520, cosmopolitan ; many are weeds of cultivation, some are seaside 

 plants, or inhabit inland deserts. 



*Stera and branches continuous, without apparent 

 ai-ticulations. Leaves present, sometimes very 

 .small. Stamens often 5-4. 

 Albumen ])resent ; embryo making one coil or less 

 round, it. 

 Leaves Hat, not very small. 



Bracteoles inconspicuous. Flowers mostly 



2-sexual 1. CiiENoroDiiM. 



Bracteoles 2 large, enclosing the female 

 rtower ....... 2. 



Leaves 1 in. long, linear . . . . .3. 



Leaves small, linear-oblong or cyliiidric , . 4. 



Leaves -^^ in. long, obovate, ai)parently i)er- 



foliate . 5. Halopeplis. 



Albumen none or next to none ; embryo spiral — 

 i.e., making more than one complete coil. 

 liCaves linear, cylindric or obovoid, muticous . 10. SUj?:da. 

 Leaves when young ending in a spine . . 11. Counulaca. 



•*Stem or branches with many ajjparent articulations. 

 Leaves 0, or hardly any. Stamens 2-1. 

 Albumen present; embryo peripheric. 



Articulations obscure ; fiower-clnsters exserted . 6. HalocXEMUM. 

 Flowers 3-1, immersed in the i)Ockets of the 

 articulations . . . . . .7. 



Albumen 0. 



Embryo conduplicate. Flowers 3-1, immersed 



in the pockets of the articulations . . 8. 



Embryo spiral. Flowers exserted . . .9. 



***Stem twining; inflorescences coloured . . .12. 



Atuiplex. 



PLEUKOPTEKAXTnA. 

 KOCUIA. 



Arturocxemum. 



Salicorxia. 

 Salsola. 



Basella. 



