722 REPORT OF STATE GEOLOGIST. 



R. conglomerate Muit. Clustered or Smaller Green Dock. 

 In southern part of the State in waste places. 

 Flowers in May and July. 

 Jefferson. 



R. sanguineus L. Bloody or Red-veined Dock. 

 Rare, in waste places. 

 Flowers from May until August. 

 Gibson. 



R. obtusifolius L. Bitter Dock. 



Found throughout the State growing by roadsides and in waste 

 places. Soon becoming plentiful where it obtains a foothold. 



Flowers in June and July. 



Tippecanoe (Cunningham); Jay, Delaware, Randolph and 

 Wayne (Phinney); Franklin (Meyncke); Clark (Baird and Tay- 

 lor); Dearborn (Collins); Gibson and Posey (Schneck); Jefferson 

 (J. M. Coulter); Noble (Van Gorder); Putnam (MacDougal); 

 Fayette (Hessler); Vigo (Blatchley); Steuben (Bradner). 



R. persicarioldes L. Golden Dock. 



In sandy places. Reported but from one county. 

 Flowers from July to October. 

 Marion . 



FAGOPYRUM Gaertn. 



F. Fagopyrum (L.) Karst. Buckwheat. 



(F. esculentwn Moench.) 



In the borders of old fields and along roadsides in various parts 

 of the State. It not only escapes from cultivation but is persis- 

 tent after cultivation. Nowhere very abundant, but holding its 

 own where it has obtained a foothold. 



Flowers from June through August. 



Franklin (Meyncke); Clark (Baird and Taylor); Noble (Van 

 Gorder); Jefferson (Barnes); Gibson and Posey (Schneck); Vigo 

 (Blatchley); Hamilton and Marion ("Wilson). 



POLYGONUM L. 



P. amphibium L. Water Smartweed. 



In many parts of the State in the shallow waters of ponds and 

 lakes and sluggish streams. Common in the stations in which 

 it is found. 



Flowers in July and August. 



