72 



3. This plant differs from F. esculentum in having smaller 

 greenish flowers and a wrinkled seed. 

 1901. F. esculentum, Moench. ^Common Buckwheat.) 

 Introduced. Common. Aug. 1. 

 RUMEX, L. Dock. 



1904. R. occidentals, Watson. 



Swamps. St. Louis Dam. Lake Floi'a. Hull. July 1. A tall 

 species. Valves of the seed rounded, heart-shaped, without 

 exterior grain like tubercles. 



1906. R. Britannica, L. (Great Water-Dock.) 

 R. orbicularis, Gray. 



Swamps and beside streams. Malloch's Bay. Hull. Mer Bleue- 

 Aug. 2. Tall and stout, with a contracted panicle. Seed- 

 valves round-ovate, all grain-bearing. 



1907. R. salicifolius, Weinmann. (White Dock.) 



Introduced here from the west. Waste lot on Albert street. 

 Several plants. July 2. This dwarf species is easily recog- 

 nised by its pale, almost glaucous, narrow leaves and copious 

 yellowish fruit. Seed-valves deltoid-ovate, with one, two, or 

 sometimes all three, bearing a large grain. 



1908. R. verticillatus, L. (Swamp Dock.) 



River sides and ditches, leather uncommon. Billings Bridge. 

 Skead's Mill. Hull. Templeton. June. 3. (B) The lower 

 whorls of flowers distant. Fruit-bearing pedicels elongated, 

 three to four times longer than the calyx, abruptly reflexed. 

 Seed valves each bearing a large grain. 



1909. R. crispv s, L. (Curled Dock.) 



Introduced. Common by roadsides and in cultivated ground. 

 June 3. (B) Easily recognised by the waved margin of the 

 leaves. Seed- valves lound-heart-shaped, mostly grain-bearing. 

 Much used as a pot herb. 

 1910. R. obtusifolius, L. (Bitter Dock. Dairymaids' Dock.) 



Introduced. Much rarer than the last. Rifle Range. Billings 

 Bridge. Gatineau Point. July 2. Seed-valves ovate-halberd- 

 shaped, with three to five large lateral teeth towards the base. 

 This is the best dock for removing the pain of nettle stings. 



