EXOGEN;E MONOCHLAMYDEJE. 



157 



are succulent, sweet, and valuable for food. The seeds of 

 Chenopodium Quinoa are extensively consumed for food in 

 Peru. On the other hand, Chenopodium olidum and bary- 

 osmon are foetid emmenagogues ; Ch. anthelminticum fur- 

 nishes the anthelmintic oil of wormseed ; Ch. ambrosioides is 

 a fragrant expectorant. Several species of Atriplex are re- 

 ported to have emetic seeds. Various kinds of Salsola and 

 Salicornia supply the sodas of the shops. 



TYPICAL GENERA. Chenopodium, Atriplex, Blitum. 



1. A portion of the spike of Salicornia herbacea, with the flowers lodged in the 

 notches of the axis. 2. A flower separate. 3. A flower of Salsola Kali. 4. Its 

 ripe fruit. 5. The same magnified, with a portion of the leafy dilated calyx torn 

 away. 6. Its embryo. 7. A flower of Chenopodium album. 8. A section of the 

 same, showing the superior ovary. 9. Its seed cut through to show the embryo. 



130. Nyctaginaceee. Stem either herbaceous, shrubby, or 

 arborescent. Leaves opposite, and almost always unequal ; 

 sometimes alternate. Flowers having either a common or 

 proper involucre. Calyx tubular, sometimes coloured ; be- 

 coming indurated at the base. Stamens definite, hypogynous. 

 Ovary superior, with a single erect ovule. Fruit a utricle, 

 enclosed within the base of the calyx. Embryo with foli- 

 aceous cotyledons, wrapping round floury albumen. 



USES. The fleshy roots of the species of Mirabilis are 

 slightly purgative. 



TYPICAL GENERA. Mirabilis, Oxybaphus. 



