SPERMATOPHYTA— AMARANTHACEAE 



433 



Fig. 209. Pigweed (Amaranihus retroflexus). 

 A cause of bloat in cattle. (From Darlington's 

 Weeds and Useful Planfs.) 



Fig. 210. Spiny Araranth {,Amar' 

 anthus spinosus). Sometimes produces 

 mechanical injuries. (From Darlington's 

 Weeds and Useful Plants.) 



lamb's quarter. After the death of the animals the fence was replaced and no 

 further trouble was noticed. An experiment with animals carried on by Mr. 

 O'Gara proved negative. Many families in the vicinity of North Platte regard 

 the weed as a bad bloater, by some considered as serious as green clover and 

 alfalfa. 



PhytolaccacEae. Pokeweed Family 



Generally herbs, a few tropical species, trees or shrubs; leaves alternate, 

 entire, without stipules; flowers regular, perfect, polygamous or monoecious; 

 calyx petal-like, of 4 or 5 sepals, or 4-5-parted; stamens 5-30 alternate with the 

 segments of the calyx or with the sepals, of the same number or more numerous ; 

 ovary several-celled; ovules solitary. 



