BRECON AND WEST YORKSHIRE HAWKWEEDS 51 
II. Dyffryn Crawnon, 1908. 3. Byrebank Scaur, Arncliffe; Crook- 
acre Scaur, Kettlewell. 
Var. divisum (Jord.) teste W. R. Linton. Brecon? rare. 
Yorks, on the scaurs and in the river-glens, rather rare. 1. Smear- 
sett Scaur, Settle, 1888, 1889, 1891: Miss Thompson. 2. Beazley 
Glen, Ingleton, 1902, 1903. II. A plant agreeing well with these 
Yorkshire plants occurs on a railway-bank at Govilon, and is placed 
under this variety by Rev. W. R. Linton. 
H. piaPpHanum Fr. Yorks, in river-glens, not common; absent 
from Brecon. 2. Chapel-le-Dale and Beazley Glen, near Ingleton; 
Dent Dale; on the Rothay above Sedbergh. 3. On the Upper 
Wharfe above Buckden. The Yorkshire plant has the two or 
three first opening heads nearly always crowded, with very short 
peduncles, with the subsequent. secondaries considerably over- 
topping them. 
Var. prestans W.R. Linton. Riverside rocks and on limestone 
scaurs, rather rare. 2. Keld Head Scaur, Ingleton; Dent Dale. 
Heads larger than in type, not duplicated. 
H. puncurius Ley. Mountain rocks, Brecon, local; not in 
Yorks. II. Central cliff of the Beacons; Craig Gledsiau; Craig 
Du; Fan Nedd. On the Fan Fechan Cliff, Carmarthen. 
H. Dewar Bosw. Yorks, rare; notin Brecon. 1. Ribblehead. 
2. Chapel-le-Dale; at both stations in small quantity, 1902. 
H. cacuminum. JH. demisswm Strémf. var. cacwminum Ley, 
Brit. Hier. p. 74. Brecon, very local; not in Yorks. II. Rocks 
at the head of Glyn Collwng (limestone) ; Central Cliff of the 
Beacons; head of Cwm Tarell; Y-fan-Gihirich. Fan Fechan, 
Carmarthen? First found in 1888. Raised to specific rank in 
have no wi 
desirable that it should be refound. 
. @OTHICUM Fr. Brecon, rare; Yorks, on the scaurs and on 
riverside rocks, not common. II. Riverside rocks, Cwm Taf 
Fechan. 1. Ribble-banks, Stainforth, and Attermire, Settle; Miss 
Thompson! 2. Beazley Glen and Braidey Garth Scaur, Ingleton. 
Ingleborough, at 1150 ft.; 7.4. Cotton! 3. On the Upper Wharfe 
above Buckden. ; 
H. sticropnyiium Dahlst. var. serpentinum F. J. Hanb. Bre- 
con, rather common in river-glens and on mountain rocks ; not in 
Yorks. I. Taren-’r-Esgob, orig Mountain. II. Blaen Taf Fawr; 
5 en N 
county. Recurs at Fan Fec : . 
(in litt, 1907) that the Blaen Nedd plant ‘does not differ from 
Scandinavian type”; it is possible, therefore, that both the type 
