616 Order 106.— AMARANTACE^ 



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 fis. (Chenopodium, L.) 



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

 terete, upper sliorter; fls. in sessile axillary glomerules, 2 or 3 together; frait cat 

 inflated ; seed shining. — Q Salt marshes, Can. to Fla. Sts. 1 to 2f long or high, 

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

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

 taining a black, shining seed. Aug. (C. maritima L. also Salsola Unearis Ell) 



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, soarious 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 lvs. and axillary, sessile fls. 



S. Kkli L. Herbaceous, decumbent; lvs. 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 httle snail shell. 



/J. Caroliniana. Suberect, glabrous, often purplish; Iva dilated at base; 

 fruit-calyx wings rose-purple. — Southward. (S. Caroliniana "Walt.) 



Order CVI. AMARANTACE..E. Amaranths. 



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

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

 soarious bracts. Sepais 3 to 6 (rarely but 1), persistent and often colored, unchanged 

 in fruit. Stamens 3 to 5 fertile, hypogynous. Ovary compressed, l-celled, 1 to CX)- 

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

 Embryo annular. 



Illustrated in figs. 1*9, 406. 



Oen-era 46, speci&t 4.S0, most abundant within the tropics. Their properties are not important 

 A fo%v are cultivated for their richly-colored imperLsliablc flowcra ; others are mere weeds. 



TRIBES AND GENERA. 



I. CELOSIEjS. Anthers 2-cclled. Ovary many-OTUled. (Cultivated) Cslosia. 1 



n. ACIITEANTHE^. Anthers 2-c<illod. Ovary one-ovuled. Leaves alternate. (*) 



* Flowers moncecioiis or polygamous, — Utricle circumscissile Ajiaeantus. 2 



— Utricle indehiscent Euxolcs. 5 



* Flowers dicecious, — Utricle indehiscent and valveless Acnida. 4 



— Utricle dehiscent, circumscissile... i Montelia. 5 



lU. GOMPHRENEjE. Anthers one-celled. Ovary one-ovuled. Leaves opposite, (a) 



a Sterile stamens none. — (B'lowers white, paniculate) Ieesime. 6 



a Sterile stamens none. — (Flowers crimson, Ac. Capitate. Cultivated) Gompukkna. 7 



a Sterile stamens 5, the fertile in a tube.— Heads axillary Telantuera. 8 



—Spikes terminal and axillary FEOitiouiA. 9 



1. CELO^SIA, L. Coxcomb. (Gr. KrjXeog, shining; characteristic of 

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

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



