324 THE JOURNAL OF BOTANY 



folium F. J. Hanb. (H. pallidum Fr. Fl. Heref.). Great Doward, 

 at several stations ; unknown elsewhere. Both the above, with 

 H. stenolepis and fif. pachyphylium, are found also on the West 

 Gloucester side of the Eiver Wye at Symonds Yat. — * Var. euryodon 

 F. J. Hanb. With the type at the Great Doward : occasional. 



H. *rubicundiim F. J. H. On the Ked Daren, Hatterel Hills, 

 first in 1886. Abundant at several stations in the Breconshire 

 portion of the Black Mountain. 



H. pachyphylium Purchas (H. casium Fr. FL Heref.). Locally 

 abundant on the Great Doward, but confined to this hill. 



H. *stenolepis Lindeb. On limestone rocks, very rare. Great 

 Doward, along with the four preceding forms, but much less 

 common. Usually distinguished from the preceding, not only by 

 technical characters, but by the flatness of the head when in blossom. 

 First distinguished in 1897. 



H. *pellucidum Lsest. Native in woods, on railway-banks and 

 rocks ; more common in the western than in the eastern districts. 

 Great Doward, abundantly; Sellack ; Lyonshall Park Wood; 

 abundant on the cliffs of the Black Mountain. — *Var. lucidxdum 

 Ley. On mountain rocks ; not found in the low country. On the 

 Ffwddog range of the Black Mountain, abundantly; first in 1898. 



H. serratifrons Almq. *var. lepistoides K. Johanns. Native in 

 woods, on railway-banks and rocks ; not rare. Great Doward ; 

 Woolhope ; Backbury Hill ; Upper Sapey ; Lyonshall Park Wood, 



with H. pellucidum. 



H. *subulatidens Dahl. On mountain rocks, locally abundant 



in the Black Mountain. Taren-'r-Esgob, on the Ffwddog range, 



1898, and subsequent years. This plant, and its variety cuncifrons 



Ley, are much more abundant in the Breconshire portion of the 



Black Mountain than in that falling within the area of the Here- 

 fordshire Flora. 



H. ■•platyphyllum Ley. On mountain rocks, only in the Black 

 Mountain district. Bed Daren, Hatterel range, first about 1897 ; 

 Taren-'r-Esgob, Ffwddog range. 



H. ■'euprepes F. J. Hanb. On mountain rocks with the two 

 last ; locally abundant in the Black Mountain. Near the Hay 

 Bluff, Hatterels (but within Herefordshire), 1896; Taren-'r-Esgob, 

 Ffwddog range, 1898, plentifully. 



H. pinnatijidum Lonnr. :;: var. vivarium Lonnr. Bare. Walford 

 in the south; Lyonshall Park Wood in the north. First observed 

 in 1898. — *Subsp. scanicum Dahl. Rare. Great Doward in the 



south ; Bredwardine in the north ; and Taren-'r-Esgob in the west. 

 First in 1898. 



H. fmapkUum Uechtr. Common ? Until very lately confused 

 with H. ca cumin atum Dahl. — :;: Var. amplifolium Ley. In woods, 

 also on mountains ; widely distributed. Great Doward, Penyard 

 Park, and Caplar in the south ; Westbide Wood in the east ; 

 Hatterel Hills in the west. — -Var. strumosum Ley. Woods ; rare. 

 In woods at the lower end of the Grwyne Valley in the three 

 counties of Hereford, Monmouth, and Brecon, 1908. 



H. *caatminattim Dahl. Common in woods and on hedge- 



