FLOWERING PLANTS AND FERNS OF INDIANA. 731 



AMARAOTHACE^E. Amaranth Family. 



AMARANTH US L. 



A. retroflexus L. Rough Pigweed. 



Abundant throughout the State in waste places and cultivated 

 fields. An annoying weed in many places, but yielding to careful 

 cultivation of the soil. 



Flowers from July until October. 



Tippecanoe (Cunningham); Daviess (Clements); Clark (Baird 

 and Taylor); Jay, Delaware, Randolph and Wayne (Phinney); 

 Gibson and Posey (Schneck); Jefferson (J. M .Coulter); Noble 

 (Yan Gorder); Putnam (MacDougal); Franklin (Meyncke); Fay- 

 ette (Hessler); Yigo (Blatchley); Hamilton and Marion (Wilson); 

 Steuben (Bradner). 



A. hybridus L. Slender Pigweed. 



(A. hypochondriaciis L.) 



In the central and northern parts of the State, occurring quite 

 plentifully in waste places. It is often confused with the preced- 

 ing species in local collections. 



Flowering in August and September. 



Jay, Delaware, Randolph and Wayne (Phinney); Gibson and 

 Posey (Schneck); Franklin (Meyncke); Fayette (Hessler); Tippe- 

 canoe (Coulter); Marion and Hamilton (Wilson); Steuben (Brad- 

 ner). 



A. hybridus paniculatus (L.) Uline and Bray. 



(A. paniculatus L.) 



Of similar range as the preceding, and in our area more abun- 

 dant. It more frequently invades cultivated fields and is in con- 

 sequence a more troublesome weed. 



Flowers in August and September. 



Jay, Delaware, Randolph and Wayne (Phinney); Gibson and 

 Posey (Schneck); Noble (Van Gorder); Putnam (MacDougal); 

 Kosciusko (Chipman); Vigo (Blatchley); Marion; Steuben (Brad- 

 ner). 



A. spinosus L. Spiny Amaranth. 



Confined apparently to the southern part of the State, where it 

 is quite common in waste places and along roadsides. A very 

 familiar form in the commons and vacant lots of towns. In some 

 places an exceptionally troublesome weed. 



