236 



NOTES ON BRITISH HIERACIA : I 



mediocria, inferne plus minusve rotundata. Squamae in gemmis incumbentes, saturate 

 virides, interiores pallidiores, lanceolato-subulatae, plerumque subacutae, inferne paulum 

 floccosae, pilis simplicibus obscuris inaequalibus necnon aliis glandulosis paucis minutis 

 praeditae. Ligulae apice glabrae. Styli lutei. Alveoli receptaculi marginibus breviter 

 dentatis. Achaenia nigrescentia, 3-3-5 mm. longa. 



Stem up to 40 cm. high, slender, striate, purphsh below, sometimes throughout, 

 glabrescent. Leaves dull green; the radical numerous and spreading, ovate -elliptic, 

 elliptic-lanceolate or lanceolate, obtuse-mucronate to acute, sharply, finely and regularly 

 serrate, cuneate-based ; the cauline 0-2, the lower lanceolate to linear-lanceolate, acute, 

 finely serrate or denticulate, petiolate or sessile ; all glabrous above and i pilose beneath, 

 with long ciliate margins, petioles long-pilose. Inflorescence furcate-corymbose, 1-4- 

 headed, with zb long, slender, suberect branches exceeding the long acladium; peduncles 

 slightly floccose and pilose. Heads medium, ± rounded below. Phyllaries incumbent 

 in bud, dark green, inner paler, lanceolate-subulate, mostly subacute, slightly floccose 

 below, with dark, unequal hairs, and occasionally with a few minute glands. Ligules 

 glabrous-tipped. Styles yellow. Margins of the receptacle pits shortly dentate. Achenes 

 blackish, 3-3*5 mm. long. 



Holotype : Craig Cerrig-glesiad, Brecon, Sell (no. 53/116), 1953, in Herb. Univ. Cantab. 



Hieracium radyrense (Pugsley) Sell & West, sp. nov. 



H. lachenalii var. radyrense Pugsley (1948), 216. 

 Holotype : Radyr, Glamorgan, Riddelsdell, 1910, in Herb. Mus. Brit. 



Hieracium gratum Sell & West, nom. nov. 



H. demissum var. pulchelliforme W. R. Linton (1905), 73. H. demissum subsp. demissum 

 var. pulchelliforme (W. R. Linton) Zahn (1921), 885. H. pulchelliforme (W. R. Linton) 

 Pugsley (1946), /. Ecol, 33, 346; (1948). 221; non H. pulchelliforme Dahlstedt ex Omang 

 (1944), Nytt. Mag. Naturvidensk, Oslo, 84, 151. 



Hieracium vinicaule Sell & West, nom. nov. 



H. crocatum var. vinaceum Beeby (1908), Ann. Scot. Nat. Hist. 115. H. vinaceum 

 (Beeby) Pugsley (1946), /. Ecol, 33, 346; (1948), 227; non H. vinaceum Johannson et 

 Samuelsson (1923), Dalarnes Hier. Silvat. 90. 



Lectotype : Roeness Voe, Northmaven, Shetlands, Beeby (no. 1087), 1891, in Herb. Mus. 

 Brit. 



Hieracium acamptum Sell & West, sp. nov. 



H. cantianum var. suhrigidum E. F. Linton ex Hanbury (1904), in Babington 263; 

 W. R. Linton (1905), 80; Pugsley (1948), 265. 



Hieracium salticola (Sudre) Sell & West, sp. nov. 



H. virgultorum microg. dispatulum var. salticolum Sudre (1902), Hier. Cent. France, 24. 



REFERENCES 



BABINGTON, C. C, 1904, Manual of British Botany, ed. 9; London. 

 LINTON, W. R., 1905, An Account of the British Hieracia; London. 



PUGSLEY, H. W., 1948, A Prodromus of the British Hieracia, /. Linn. Soc. Lond. Bot., 54. 

 WILLIAMS, F. N., 1902, Prodromus Florae Britannicae ; Brentford. 

 ZAHN, K. H., 1921-3, Compositae-Hieracium, Pfianzenreich, iv. 280. 



