THE FLORA OF HALIFAX. 97 



SALICINE^J. 



Salix p entan dra, L. — 58. Sweet -bay Willow. 

 Native. Scottish type. Tree. June. 



[Dam Head, Shibden Dale. Entirely destroyed, 1836. — 



Herb. Ley land.] 

 1840. Near Sowerby Bridge. — Herb. S. King. 

 1888.. Calder Vale, many places to junction with Aire. — 



F. A. Lees. 

 Rare : Elland.— W. West. 



Salix fragilis, L. — 90. Crack Willow. 



Native. British type. Tree. April-Maw 



1867. Dam Head in Shibden, common. — J. Walker. 

 Infrequent, by stream sides : Walter Clough ; between 

 Elland and Brighouse, Blackburn Valley, West Vale. 



x alba (yiridis, Fr.) — 14. 



1840. S. Russelliana, Mytholmroyd, S.Gibson; 

 Herb. S. King. 



Salix alba, L. — 92. White Willow. 



Native. British type. Tree. April- May. 

 No record, though it probably occurs. 



Var. yitellina, L. Golden Osier. 



1833. Mytholmroyd.— Herb. Gibson. 



Salix cinerea, L. — 106. Sallow. 



Native. British type. Small tree. April-May. 



Foster Scar. — Herb. Gibson. 



Infrequent, in thickets and rough ground in the cloughs : 

 Copley, West Vale, &c. 



Var. aquatica, Sm. 



In wet rough ground in Broadhead Clough, 

 near Mytholmroyd, and probably elsewhere 



Salix aurita, L. — 106. 



Native. British type. Shrub. April-May. 



1840. Colden Clough. — Herb. Gibson. 



Rather common in the cloughs, in thickets and boggy 

 ground, generally just above the woods, from 700 to 1100 

 feet. : Ogden, Luddenden Dean, Crimsworth Dean, 

 Hippings Clough, &c. 



