512 



CHENOPODIACEiE. 



[Hypogynous Exogens. 



Order CXCV. CHENOPODIACEiE.— Chenopods. 



Atriplices, Juss. Gen. 83. (1789).-Chenopode*,F<m<. Tail 2 253. (1799); V^^'^'ffi- 

 r Y Mrwr in Led Fl Alt 1 370. (1829); Moqmn Tandon tn Ann. Sc. Nov. Ser. 1. MS. .18J4) , 



ma, Moq. Wd.-Cynocrambea;, Th. N. ab E. Gen. PI. Europ. (1835). 

 DiAGmsis.-Chenopodal Exogens, with separate fiat sepals opposite the stamens, 2-celled 

 anthers, a single one-seeded ovary, and herbaceous naked flowers. 



Herbaceous plants or under-shrubs, sometimes jointed. Leaves alternate without 

 stipules, occasionally opposite. Flowers small, , sometimes <J - $ -?, frequently <J ?. 



O 



Fig. CCCL 



Calyx deeply divided, sometimes a little tubular at the base, persistent, with an imbricated 

 {estivation. Stamens inserted into the base of the calyx, opposite its segments, and 

 equal to them in number, or fewer. Ovary single, superior, or occasionally adhering 

 to the tube of the calyx, with a single amphitropal ovule attached to the base ot tlie 

 cavity ■ style in 2 or <t divisions, rarely simple ; stigmas undivided. Fruit membranous, 

 not valvular, sometimes baccate. Embryo annular or horseshoe-shaped, surrounding 

 the albumen (Cyclolobese) ; or in a flat spiral, separating 2 masses of albumen ; or coni- 

 cally spiral without albumen (Spirolobese), with the radicle in various directions as 

 regards the fruit, but always turned to the hilum _ 



In this Order we have a crowd of species consisting partly of unisexual, and partly 

 bisexual plants, corresponding so much in general structure otherwise, that Botamste 

 seem to have no disposition at present to divide them. But as they are abo provided 

 with exceedingly different seeds, there is small probability of the integrity of the Order 

 be ng long preserved. Till, however, they shall have been studied with reference to 

 their woody structure, a separation would be premature ; m that respect they differ 



C Thfeiden y nrst remarked that certain plants of this Order, namely, Bete Cycla Atri- 

 nlPv hortensis and Chenopodium Quinoa, have the wood very compact and pierced witn 

 vesical S'ofSltabr tissue (see Nt ctaoikacm). But I do not find this structure 



„.„ rrrT i . ration o7~the spike of Salicornia herbacea, with the flowers lodged in the 



F'lr C 9«£7™ti.' 2 P a flower separate; 3. a flower of Salsola Kali ; 4. its ripe fruit; 5. the same 



notches of the axis 2. a « ower j Se P; di , a J ed calyx torn 6 . it3 embry0 . 7 . a flower of Chenopo- 



unburn '; 8 a'sec^of the sam'e, showing the superior' ovary ; 9. its seed cut through to show the 



embryo. 



