92 THE FLORA OF HALIFAX. 



1844. Luddenden.— S.-K". 1862. Brighouse.— Midi's Flo. 

 Infrequent, on waste ground, &c: Skircoat, Sterne Mill, 



Luddenden, Rish worth. 

 Polygonum amphibium, L.— 108. 



Native. British type. P. July-September. 

 Rare, only reported since 1894, f rom Ta £ Lock, near 



Elland, where both it and the var. terrestre, Leers, occur 



in the disused branch of the canal. 

 Polygonum Bistorta, L— 74. Bistort, Sweet Dock, Passion 

 Dock, Snake Weed. [August-September. 



Native or Denizen. British type. P. May-June, 

 1763. Halifax.— T. Marty n ; Planta Cantab. 

 1775. Moist places in meadows in various parts.— J.B. 

 1842. In meadows about Luddenden, abundantly.— Herb. 



S.K. 1862. Lightcliffe ; Ovenden.— /. Bates; MialVsFlo. 

 1867. Shibden, abundant.—/. Walker. 

 Very common and abundant in damp pastures and meadows, 



and by the stream sides in the doughs, throughout the 



parish. It has every appearance of a native plant. 



Flowering most freely in June, it puts forth another 



display in the autumn. 

 Fagopyrum esculentum, Mcench. Buckwheat. Alien. 



183-. Near Wood House, Skircoat.— Herb. S.K. 

 Rumex conglomeratus, Murr.— 96. 



Native. British type. P. June-August. 

 1840. Hebden Bridge, &c.S. Gibson ; Bailies' Fl. Add. 

 Infrequent, in waste ground, chiefly about the canal : 



Elland, Copley, Hebden Bridge. 



Rumex sanguineus, L.— 90. Bloodwort Dock. 

 Native. British type. P. June-August. 

 Todmorden.— /. Noivell; Lees' Flo. [1867. Shibden.— J.W.] 

 The type with red veins is hardly ever seen. 

 Var. yiridis, Sibth. Wood Dock. 



1834. In a field at Woodhouse in Skircoat.— Herb. Leyl. 

 1841. Ive House Clough, Warley — Herb. S.K. 

 Very common in hedges and woods, and by road sides. 



Rumex obtusifolius, L — 109. Dock. 



Native. British type. P. July-August. 

 1834. Everywhere.— Herb. Leyland. 



