282 SYSTEMATIC BOTANY. 



2. Gomphrena. Flowers perfect. Bracts 5, colored ; 3 outer 

 converging. Sepals 5, hairy. Disk cylindric, 5-toothed. Stamens 5. 

 Stigma i. Utricle i-celled. 



G. GLOBOSA (Globe Amaranth}. Stems erect, hairy, with opposite 

 branches ; leaves opposite, obtuse, pubescent ; flowers purple, in dense, glo- 

 bose, solitary heads. Cultivated for its fadeless heads of flowers. io'-i8' 

 high. July-September. 



3. Celosia. Sepals 3-5, colored. Stamens 5, united at base by a 

 plicate disk. Style 2-3- cleft. Utricle circumscissile. 



C. CRISTATA (Cockscomb). Stem erect, mostly simple ; leaves ovate, 

 acuminate, mostly alternate ; stipules falcate, striate ; flowers small, densely 

 crowded, in large, compressed, thin clusters, bright, purplish red. The 

 crests of flowers vary 2'-8' in breadth. Common in cultivation, 1-2 feet 

 high. June-September. 



Order LXVI. CHENOPODIACE.E (Goosefoot Family). 



Herbs, rarely shrubby. Leaves alternate, often more or less 

 succulent or fleshy. Sometimes none. Flowers greenish, incon- 

 spicuous, usually perfect, sometimes dioecious or polygamous. 

 Calyx sometimes tubular at base, persistent. Stamens as many 

 as the calyx-segments, or fewer, inserted at their base. Ovary 

 free, I -celled, i-ovuled. Styles 2-4, rarely i. Fruit a utricle. 



f Root large Beta. 

 { Flowers perfect -I 



CHENOPODIACE.E. \ I Root sma11 ' v^fcChenopodium. 



[ Flowers imperfect Spinacia. 



I. Chenopodium. Flowers perfect, bractless. Calyx 5-parted, at 

 length dry, partially enveloping the fruit. Stamens 5. Styles 2. Utri- 

 cle membranaceous. Seed lenticular. 



1. C. ALBUM (Lamb's Quarters). Smooth ; stem erect, branching ; leaves 

 rhomboid-ovate, coarsely toothed, entire at base, pale green, petiolate, white 

 and mealy beneath ; flowers greenish, mealy, sessile, forming large, terminal 

 panicles. Homely weed, 2-5 feet high, in waste grounds. July-September. 



2. C. HYBRIDUM (Tall Lamb's Quarters}. Smooth ; stem erect, slender, 

 very branching ; leaves ovate, cordate at base, angular, with a few large, re- 

 mote teeth, light green on both sides ; flowers greenish, sessile, in racemes. 

 A common weed in waste grounds, stem 2-3 feet high. July-August. 



2. Beta. Flowers perfect. Calyx of 5 sepals. Stamens 5. Styles 

 2, very short, erect. Stigmas acute. Seeds reniform, inclosed in the 

 fleshy calyx. (2) 



B. VULGARIS (Common Beef). Stem erect, branching, furrowed ; leaves 

 alternate, nearly entire ; lower ones ovate, upper narrower ; flowers green, 



