480 



ANGIOSPERMS 



Goosefoot Family (Chenopodiaceae). — This family oontains 

 many plants, chiefly herbs and most of which are weeds. The 



Fig. 424. — Russian Thistle {Salsola Kali, var. tcnuiJuUa). At the left, 

 an entire jilant, showing the tap-root and character of the stem (XiV); at 

 the right, a portion of a plant, showing the leaves and flowers about natural 

 size. Modified from Oswald and from Beal. 



flowers are small and usually greenish. The Spinach and Beets 



are well-known pot herbs of this 

 family, and also from Beets most 

 of our sugar is now obtained. 

 Among the many that are classed 

 as weeds, the Russian Thistle 

 {Fig. Jf.2Ji.) is the most noted one. 

 Belonging to thesameorderisthe 

 Amaranth family, which contains 

 some ornamental plants and a 

 number of common weeds. Of those 

 that are ornamental, the Cocks- 

 comb, Prince's Feather, and Bache- 

 lor's Button, grown in gardens for 

 their highly colored flower clusters, 

 are common ones. The Pigweed, 

 and Tumbleweed (Fig. 425), com- 

 mon in gardens, truck patches, 

 and waste places, are the most 

 troublesome weeds of this family. 

 Pink Family (Caryophyllaceae). — This family contains many 



species, which are chiefly herbs of the temperate regions. The 



Fig. 425. — The Tumble Weed 

 (Amaranthus graecizans), showing 

 the general character of the plant. 



xi 



