THE FLORA OF HALIFAX. 1 23 



[Aira caryophyllea, L. — no. 



Native? British type. A. June-July. 



1840. Hebden Bridge. — 5. Gibson; Herb. S. King. 



Rare, no other record; like Agrostis canina, its presence 

 requires confirmation.] 



Aira prsecox, L — in. Early Hair grass. 



Native. British-type. A. May. 



1840. Very common near Halifax. — Baines Flora. 



1867. — Dry and sandy places, Ogden. — J. Walker. 



Infrequent in dry places, walls, and banks : Skircoat, Nor- 

 land, Ogden, &c. 



Deschampsia csespitosa, Beaud. — in. Tufted Hair grass. 

 Native. British type. P. June-August. 

 1840. Hirst Wood; Wadsworth Moor. — Herb. Gibs. 

 1844. Luddenden Brook. — S.King. 1867. Shibden. — /. W. 

 Common, on stream banks, dam sides, and moors. 



Deschampsia flexuosa, Trin. — 107. Wavy Hair grass. 

 Native. British type. P. June-July. 

 Hirst Wood. — Herb. Gibs. 1867. Upper Shibden. — J.W. 



Very common, with a wide range, from the banks of the 

 canal to the tops of the moors, but chiefly on the damper 

 moors as Langfield, Heptonstall, Widdop, and Walshaw. 



Holcus mollis, L. — 107. Creeping Soft grass. 



Native. British type. P. June- July. 

 1844. Luddenden Brook. — S.King. 1867. Shibden. — J.W. 

 Very common, and very abundant in woods and on banks, 



and more or less in pastures and meadows. 



Holcus lanatus, L. — in. Yorkshire Fog. 

 Native. British type. P. June-July. 

 Crownest Wood, Hebden Bridge. — Herb. Gibs. 



1844. Luddenden Brook. — S.K. 1867. Shibden. — /. Walker. 

 Very common, in meadows, pastures, banks, &c. 



Trisetum pratense, Pers. — 93 (T. flavescens, Beauv.) 

 Native. British type. P. July. 



1845. Winterburn Hill, Warley. — Herb. S. King. 

 Salterhebble. — Herb. Leyland. 1867. Shibden. — J.W 

 Rare, in dry pastures : Hebden Bridge. 



Avena pnbescens, Huds. — 91. Downy Oat grass. 



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