73.2 REPORT OF STATE GEOLOGIST. 



Flowering season from June until late in September. 



Clark (Baird and Taylor); Jefferson (J. M. Coulter); Gibson 

 and Pose}' (Schneck); Daviess (Clements); Yigo (Blatchley); 

 Hamilton and Marion (Wilson). 



A. blitoides S. Wats. Prostrate Amaranth. 



In the northern part of the State, found almost exclusively 

 along railways. The form often covers large areas. 



Flowering season from June until October. 



Kound Lake (Deam); Lake and Porter (Hill); Hamilton and 

 Marion (Wilson). 



A. graecizans L. Tumbleweed. White Amaranth. 



(A. album L.) 



Widely distributed throughout the State and abundant wher- 

 ever found. In waste places and cultivated fields. An exceed- 

 ingly troublesome weed. 



Flowers from June until October. 



Jasper (Barnes); Kosciusko (Coulter); Jay, Delaware, Ean- 

 dolph, and Wayne (Phinney); Noble (Van Gorder); Franklin 

 (Meyncke); Daviess (Clements); Tippecanoe (Cunningham); Vigo 

 (Blatchley); Steuben (Bradner); Marion (Moffat); Jefferson. 



ACNIDA L. 



A. tamariscina (Nutt.) Wood. Water Hemp. 



(A. tuberculata Moq.) 

 In various counties of the State, chiefly southern, in wet, sandy 

 and gravelly banks. Eather common in stations in which it 

 occurs. 



Flowers in July and August. 



Tippecanoe (Cunningham); Yigo (Blatchley); Clark (Baird and 

 Taylor); Gibson and Posey (Schneck); Fayette (Hessler). 



A. tamariscina tuberculata (Moq.) Uline and Bray. 



(A. tuberculata subnuda Wats.) 

 The borders of ponds in wet, sandy soils. Not as a rule sepa- 

 rated from the preceding. 

 Flowers in July and August. 

 Vigo (Blatchley). 



