016 ORDER 106. AMARANTACB^E. 



10. CHENOPODrNA, Moq. GLASSWORT. Flowers $ , bracteolate ; 

 calyx urceolate, 5-parted, fleshy, in fruit subbaccate ; stamens 5 ; stigmas 

 2 or 3, sessile ; utricle depressed, inclosed in the calyx ; seed lenticular, 

 horizontal ; albumen 0, or scanty and divided into two portions above 

 and below the flat spiral embryo. Smooth, maritime plants, with alter- 

 nate, sessile, fleshy Ivs. and axillary fls. (Chenopodium, L.) 



C. maritima Moq. Branches diffuse, prostrate or erect; Ivs. long, linear, semi- 

 terete, upper shorter; fls. in sessile axillary glomerules, 2 or 3 together; fruit cal. 

 inflated; seed shining. (J) Salt marshes, Can. to Fla. Sts. 1 to 2f long or high, 

 becoming woody at base, southward. Lvs. 6 to 15' long, 1" thick, acute. Fls. 

 very small, green, with roundish calyx lobes. Utricle thin, semitransparent, con- 

 taining a black, shining seed. Aug. (C. maritima L. also Salsola linearis E1L) 



11. SAl/SOLA, Gaert. SALTWORT. (Lat. sal, salt ; the plants con- 

 tain much alkaline salt.) Flowers , with 2 bractlets ; sepals 5, at 

 length winged horizontally on the back, forming- a broad, scarious bor- 

 der ; stamens 5 ; styles 2, united at base ; utricle depressed, inclosed in 

 the base of the stellately 5-winged calyx ; seed horizontal, globous ; 

 embryo spiral (cochleate) with no albumen. Maritime, fleshy plants 

 with terete Ivs. and axillary, sessile fls. 



S. Kali L. Herbaceous, decumbent; Ivs. alternate, subulate, channeled, spinous, 

 smooth; fls. solitary; fruit-calyx wings larger than the sepals, orbicular, spread- 

 ing. A rigid, prickly and very branching plant, of the sea-shore, Can. to Ga. 

 St. 1 to 2f high, diffuse. Lvs. about an inch long, sessile, ending with a spine. 

 Pis. green, succulent, sessile, bracteate, the wings in fruit pale roseate, 1" long. 

 Seed with a thin testa and a green embryo coiled like a little snail shell. 



/?. CAROLINIANA. Suberect, glabrous, often purplish: Ivs. dilated at base; 

 fruit-calyx wings roae-purple. Southward. (S. Caroliniana Walt.) 



ORDER CVI. AMARANTACE^E. AMARANTHS. 



Herls weed-like with opposite or alternate leaves, and a bracteate, spiked or 

 capitate inflorescence. Flowers generally with an imbricated involucre of 3 dry, 

 scarious bracts. Sepals 3 to 5 (rarely but 1), persistent and often colored, unchanged 

 in fruit. Stamens 3 to 5 fertile, hypogynous. Ovary compressed, 1 -celled, 1 to oo- 

 ovuled. Style 1. Fruit a utricle, caryopsis or berry. Seed vertrical, albuminous. 

 Embryo annular. 



Illustrated in %s. 1S8, 406. 



Genera 46, species 4SO, inost abundant within the tropics. Their properties are not important. 

 A few are cultivated for their richly-colored imperishable flowers ; others are mere weeds. 



TRIBES AND GENERA. 



I. CELOSIE^E. Anthers 2-celled. Ovary many-ovtiled. (Cultivated).' ........... CELOSIA. 1 



II. ACHYIIANTHE^E. Anthers 2-celled. Ovary one-ovulcd. Leaves alternate. (*) 



* Flowers monoecious or polygamous. Utricle circuinscissile ............... ASIARANTUS. 2 



Utricle indehiscent .................... ECXOLUS. o 



* Flowers dicecious. Utricle indehiscent and valveless .......................... ACNIUA. 4 



Utricle dehiscent, circumscissilc. ........................ MOXTELIA. 5 



III. GOMPHRENE^E. Anthers one-celled. Ovaw one-ovuled. Leaves opposite, (a) 



a Sterile stamens none. (Flowers white, paniculate) ........................... IKESIXE. 6 



a Sterile stamens none. (Flowers crimson, &c. Capitate. Cultivated) ..... GOMPIIRKNA. 7 



a Sterile stamens 5, the 5 fertile in a tube. Heads axillary ................. TELANTIIERA. S 



Spikes terminal and axillary ..... FIUELICIIIA. 9 



1. CELO'SIA, L. COXCOMB. (Gr. ?/Aeo, shining; characteristic of 

 the brilliant colors of some species.) Flowers perfect, 3-bracted ; calyx 

 of 5, erect-spreading sepals; stamens 5; anthers 2-celled; stigmas 2, 



