Amaranthus 



Amaranthaceae 



429 



Amaranthus spinosus L. 



50 



Map 882 



Amaranthus blitoides S. Wats. 



50 



Map 883 



Amaranthus o/aeci'zans L. 



dence that it can maintain itself in competition although it has maintained 

 itself in our garden for several years. 



Nat. of Asia; escaped or adventive in the eastern part of the U. S. as 

 far west of N. Mex. and Ariz., southw. through the tropics to sub-tropical 

 S. A. 



2. Amaranthus hybridus L. Slender Green Amaranth. Slender 

 Pigweed. Map 879. Widely distributed throughout the state as a weed in 

 gardens, cornfields, waste places, especially about habitations, and along 

 roadsides and railroads. It prefers a rich, moist soil and is often, like the 

 next species, a pernicious weed in cultivated grounds. 



Found in the tropics throughout the world and naturalized throughout 

 the U. S. 



3. Amaranthus retroflexus L. Rough Green Amaranth. Rough 

 Green Pigweed. Map 880. Like the preceding species this one is widely 

 distributed throughout the state as a weed in cultivated fields and waste 

 places and along roadsides and railroads. It also prefers rich soils and 

 is a too common weed. 



Nat. of tropical America ; naturalized throughout the U. S. 



4. Amaranthus spinosus L. Thorny Amaranth. Map 881. This 

 is a very objectionable weed on account of its many spines. It is restricted 

 mostly to our southern counties in barnyards and lanes where it is often 

 very abundant. I do not understand why farmers do not try to exterminate 

 it when first they discover it on their premises but I have never met one 

 who was making the attempt. All who had a common name for it called 

 it careless, a name sometimes applied to species of the pigweed family. 

 I never could learn the origin or significance of this name and it seems 

 to me to be very inappropriate. 



Nat. of the tropics ; naturalized in the U. S. from Minn, eastw. 



