312 C. ClIENOPODIE^. 



Bracts iu fruit inllatcd, hard and corky . 4. Obione. 

 ** Stems not jointed, leafy ; leaves linear or sub- 

 terete, sessile. 

 Lobes of the fruit-calyx dorsally winged. 

 Flowers ebracteate ; styles 2, elongate-fili- 

 form ' 5. KociiiA. 



Flowers 2-bractcate ; style 1 ; stigmas 2 . 11. Caeoxylon: 

 Lobes of the fruit-calyx not dorsally winged. 

 Flowers axillary, solitary or in small glo- 

 merules. 

 Styles 2, elongate ; ovary depressed-glo- 

 bose ; seed horizontal 6. Echtnopsilon, 



Styles ; stigmas 3-5 ; ovary cylindri- 

 cal, ovate, truncate ; seed vertical . . 10. Su^DA. 

 Flowers in slender, leafless spikes ; styles 



4 ; nut 8- ribbed .7. Wallinia. 



*** Stems or branches jointed, succulent, leafless ; 

 flowers partly concealed under the truncate 

 apices of the upper joints. 

 Fruit-calyx closed, minutely winged at apex . 8, Salicornia. 

 Fruit-calyx open, inflated, not winged ... 9. Aetheocnemum. 



SuBOEDER 1. Cyclolobeae. Embryo annular. (G-en. 1-9.) 



1. CHENOPODIUM, Linn. 



Flowers bisexual, ebracteate. Calyx 5-fid or 5-parted, the 

 segments concave, never appendicled. Stamens 5, rarely 

 fewer, in the base of the perianth ; anthers ovate. Ovary de- 

 pressed-globose ; styles 2 (rarely 3), united below, subulate. 

 Fruit depressed, enclosed in the subglobose calyx. Seed hori- 

 zontal, lenticular ; albumen central, copious ; embryo annular, 

 coiled round the albumen. — DC. Frod. x\\. 2of. 2. p. 61. 



Herbs, many of them weeds of cultivation, of the temperate zones- 

 Leaves triangular-rhomboid, entire or toothed, often mealy. Flowers glo- 

 meruled, in panicles or spikes. — Several species. 



2. EXOMIS, Moq. 



Flowers either monoecious or bisexual. Male flowers and 

 the bisexual ebracteate. Calyx 5-parted ; segments ovate, 

 acute, concave. Stamens 5 ; anthers ovate. — Female 2-brac- 

 teate. Calyx 3-4-5-parted, sometimes ; segments very mi- 

 nute, scarcely conspicuous. Styles 2, connate at base. Fruit 

 subglobose, partly or quite enclosed in dilated or unchanged 

 bracts ; pericarp adhering to the seed, thickish, fleshy. Seed 

 vertical, lenticular ; embryo annular, perij^heric. — DC. JProd. 

 xiii. ^j^. 2. p. 89. 



Slu'ubby, glaucous plants of salt ground. Leaves alternate, petioled, 

 cndrc. Flowers terminal, in spikes, or axillary and glomerate. — 2 species. 

 Eastern. 



