74 THE FLORA OF HALIFAX. 



the calyx is very variable ; on the same plant the number 



of segments may be three, four and five, though mostly 



four. Whether it is the var. uliginosa is, as yet, 



undecided. 

 Gentiana campestris, L. — 85. Field Gentian. 



Native. British type. A or B (?) August-September. 

 1820. In the next field to the Owler Bank, a little above 



Foster's Mill, near Hebden Bridge — Herb. Leyland. 

 1832. Norland. — Herb. S.K. 

 Hirst, Wadsworth. — Herb. Gibson. 

 1840. Near Hebden Bridge. Occasionally in old fields 



near Halifax — Bailies' Flora. 

 1862. Fields near Magson House, Warley. — C. Eastwood; 



MialVs Flora. 

 In similar places to the preceding, but rarer. Some forms 



of G. Amarella, with 4-cleft calyx, of which one pair of 



segments is distinctly larger than the other, though not 



over lapping, approach so closely to this that it is difficult 



to distinguish them. 

 Menyanthes trifoliata, L — no. Bogbean, Buckbean. 



Native. British type. P. June-July. 

 1845. Grows in Heptonstall Cabin, Reap's Cross, and in the 



township of Stansfield, Moss Hall Lane. — Med. Bot. Soc. 

 Rare, only known near Reaps Cross in Heptonstall. 



POLEMONIAGE^l. 

 [Poleinonium caruleum, L. — 5. Jacob's Ladder. 



Alien. Intermediate type. P. June-July. 

 1775. Scarce in this parish; only in a lane leading from 



Skircoat Green to Halifax, a little before you come to the 



Moor.—/. Bolton. 

 1814. Near the end of the wooden bridge at Sterne Mill. — 



Herb. Leyland. 

 1867. In a bushy hilly place at Upper Shibden, very rare. 



— J. Walker. 

 These would be garden escapes.] 



BORAGINE^. 



Cynoglossum officinale, L. — 76. Hound's-tongue. 

 Native. English type. B. June-July. 

 Skircoat Moor. — Herb. Leyland. 



