290 



REPORT OF THE 



Mild Water-pep- 

 'per. 



Knotgrass, 

 Goosegrass, 

 Door-weed. 



Slender Knot- 

 grass. 



Jointweed. 



Halberd -leaved 

 Tear-thumb. 



Arrow-leaved 

 Tear -thumb. 



Black Bindweed. 



Climbing False 

 Buckwheat. 



Buckwheat. 



Swamp Dock. 

 Tall Dock. 

 Willow Dock. 



Great "Water 

 Dock. 



Bitter Dock. 



Curled Dock. 



Bloody-vined 

 Dock. 



Field or Korsa 

 .^Sorrel. 



Polygonum hydropiperoides, Michx. (P. mite — W.J 



S. Mich., (Wright). 



Polygonum aviculare, L. 



Ann Arbor; Bruce Mine, Ca., 26 July. 



var. e rectum, Roth. 



Ann Arbor. 



Polygonum tenue, Michx. 



S. Mich. (Wright). 



Polygonum aiticulatum, L. 



Traverse City, 8 Sept., beginning to blossom, abundant. 



Polygonum Virginianum, L. 



Ann Arbor ; S. W. (Wright). 



Polygonum arifolium, L. 



Gros Cap, L. Mich., IS Aug.; S. Mich. (Wright). 



Polygonum sagittatum, L. 



Saut St. Marie 31 July; S. Mich. (Wright). 



Polygonum Convolvulus, L. 



S. W. ^Wright). 



Polygonum cilinode, Michx. 



Drummond's I., common; Huron Co., 20 June; Saut St. Mario. 



Polygonum dumetorum, L. (P. scandens — W.) 



Ann Arbor; Mackinac, (Miss Clark). 



Fagopyrum esculentum, Moench. (Polygonum Fa- 



gopyrum- 



Ann Arbor. 



W.) 



Rume* verticillatus, L. (R. Brittam'ca — W.) 



Ann Arbor; Islands of Thunder Bay, 7 July; S. W. (Wright). 



Rumex altissimus, Wood. 



Saut St. Marie, 29 July. 



Rumex Ralicifolius, Wemmann, Hook. 



Villa Cross, Emmet Co., 22 Aug. 



Rumex Hydrolapathum, Hudson, var. American- 

 mn, Gray. 



Bruce Mine,Ca., 26 July; S. Mich. (Univ. Herb). 



Rumex obtusifolius, L. 



Saut St. Marie, 29 July; Ann Arbor, (Miss Clark). 



Rumex crispus, L. 



Ann Arbor; Saut St. Marie, 29 July. Commonest species of dock. 



Rumex sanguineus, L. 



Ann Arbor, (Miss Clark). 



Rumex Acetosella, L. 



Ann Arbor; Ft. Gratiot; Saginaw B.; Drummond's I.; Mackinac. Com- 

 mon. 



