HIETtACITJM. 215 



slightly hMry. St.-l. subsessile. Phyll. adpressed.^^Bymoun- 

 tkin streams in the Graiji^ian mountains. P. VII. VIII. - S. 



,, ^ \^, tt Styles mQre or Jesa l/ivif. 



21, H. tmirdrum (L.),; green, rt.-L ovate often cordate and 

 ■with large ,paitent or descending teeth below, petioles shaggy, 

 st.-l. 0: or 1, staJied and placed high, heads subcorymbose, ;oerf. 

 armate ascending, inv. thinly clothed floccose setose, with few 

 hairs, phyll, acuminate erect overtopping the glabrous-tipped 

 buds, styles livid.-^St. 12 — ISin.hjgh. Young heads Cylindrical. 

 L. usually thin. St.-l. ov'ate-acuinitiate, often rounded or cor- 

 date belowj 1 Styles rarely yellowish. — " /3. rotwidatithm (Biickh.) ; 

 St. lohg often leafless,rt.-l. broadly ovate 1 rounded at both ends 

 or cofdate below d&nticuLatp or entire." — Woods and rocks. - j3. 

 Canlochan, Forfarshii'e. P. VI. VH. ■ E. S. I. 



22. H. ca;' diim (Pr.); csesious or dull gifefen, rt.-l. ovate Or 

 lanceolate rounded ot narrowed below irregularly dentate-serjate 

 with paient or ascending teeth, petioles slender, st.-l. or 1 

 placed low, st. few-headed with straight-based prtd., inv. rounded 

 belmo floccose hairy slightly setose,' pkyll bluniish inner ories 

 aeiite incumbent, styles aliglitly livid. — H. mtirorum Sni. Fl. Dan , 

 2.598. — St. 12^18 in. high. Young heads roundish. Fl. bright 

 yellow.' ■ Phyll. iiot ciispidate ; ilmer very slender, pointed. 'Root- 

 ■stock long. L. nearly glfeous' above, coriaiceoua, not fringed 

 with^cparse hairs ; innerm(jst, acute. St.-l. not stalked, narrowed 

 Ipjelow;.' — -ff. obtiisifoUum (Backh.); yellowish ^ green, original 

 i;^.-l. ovate rounded at both ends .entire, petioles densely villose, 

 st.-l.' stalked'ovate-lanceolate, inv. ventricose becoming triipcate 

 below, phylL acuminate, buds pilose at the tip ; is probably a 

 v&riety, knd is found at Clovat^MountaiiiS: ^ P. VIL VTH. 



^ : i "■ ' k S.I. 



' 23. n.floccuUsum (Bftckh.)'; ashy green, rt.-l. ovate or oval 

 blunt or acutiSh' with small teeth below_/?oecose on both 'sides 

 narrowed into' long petioles, d.-l few large j'-clasping, si. suh- 

 cor3^mbose_;?Of<co6-(> throUghotit; ped. straight-based, inv. ovate 

 below flocfcose setose hairy, phyll. acuminate incumbent, styles 

 rather livid. — H. stelUfferum Backh.— St. li— S ft. high. Fl. 

 bright yellow. L. rosulate,' persistent'; original spathulate ; 

 innermost acutish;' Petioles rather' slender and woolly. St.-1. 

 stalked ;■ uppermost sessile. — Alpine streams on Grampiaa 

 mountains. P. VII.VIII. ; ' ' ■ S. 



24. H. mdgutum (Fr.) ; green or glaucous', 1. oblong or lan- 

 ceolate often with patent ox forward fee«/j. on, lower half, rt.-l. 

 narrowed into petiole, st.-l. often many aU or uppermost. sessile, 

 heads panicledor subcorycabpsejinv. aaA. straight a,sce.-ad.mg ped. 

 floccose setose with few hairs, jo7i?/Z/. equally attenuate acxxtisk 

 inCunabent, styles' livid. — H. sylraticum Sm.-^Very variable. 



