H1EKACIUM, 237 



17. H. senes'cens (Backh.) ; green, rt.-l. elliptic-lanceolate 

 denticulate or remotely dentate hairy with slender petioles, st. 

 simple with few heads and 1 or 2 linear-lanceolate I. with slender 

 stalks, inv. ovate or turbinate below with short black-based 

 hairs and many setae slightly floccose, phyll. acute adpressed (?), 

 styles yellow. Sy. E. B." 833 ; Mon. Brit. Hierac. pi. 15 ; 

 JEkwec. Fasc. i. 3. St. 1518 in. high. Fl. golden. Phyll. 

 of the buds with a tuft of white down at the tips. L. with 

 scattered hairs on both sides, entire at both ends. Original 1. 

 broader. Lowest ped. above the middle of the stem. Grassy 

 slopes and edges of streams in mountain districts. Clova. 

 Braeinar. Ben Voirlich, Dumbartonshire. Breadalbane Moun- 

 tains. Co. Down. P. VII. VIII. S. I. 



18. H. Marshall'i (Linton) ; st. erect 716 in. hiph few- 

 headed with scattered white hairs, sparsely floccose and setose 

 above, peduncles thick, floccose with black-based hairs and seta3 

 interspersed, rt.-l. few rather large outer roundly-ovate to ovate 

 nearly entire, inner ovate-acuminate with large forward-pointing 

 teeth especially towards the base, yellowish-green fleshy upper 

 surface dull nearly glabrous with rough white hairs beneath 

 on the margin and midrib, narrowed into shaggy winged petiole, 

 st.-l. usually solitary short-stalked or sessile toothed, or bract- 

 like and almost entire if above, heads 2 3 rather large ; young 

 buds ovoid and white-tipped. Inv. rounded, phyll. very broad 

 subacute, outer short and rather lax, dark olive~green densely 

 hairy setose tips very senescent. Fl. bright golden yellow pilose 

 externally and at the tips. Styles darkened. Mon. Brit. 

 Hierac. pi. 16 ; Exsicc. Fasc. i. 4. High mountains. P. VII. 

 VIII. S. 



19. H. chrysan'thum (Backh.) ; green, rt.-l. ovate acute at 

 both ends sharply irregularly and deeply toothed hairy with 

 long slender petioles, st. simple or branched with few heads 

 and linear-lanceolate or subulate stalked st.-l., inv. rounded 

 below floccose with short black-based hairs and setae, phyll. 

 many linear-attenuate outermost small and lax, styles dull 

 yellow. &/. E. B. 830 ; Mon. Brit. Hierac. pi. 17 ; Exsicc. 

 Fasc. i. 5. St. 915 in. high. Fl. golden. Phyll. greenish- 

 black, overtopping the drooping buds, incumbent. L. with 

 scattered hairs on both sides, entire towards the end. Original 

 1. blunt, roundish. St. often with only 1 head, with subplumose 

 hairs below, floccose setose and with black-based hairs above, 

 sometimes branching throughout. Hairs on st. and inv. with 

 dull-reddish tips. Buds sometimes pilose at the tip. (3. micro- 

 cephalum (Backh.); st. simple with 1 or few nearly erect heads, 

 1. dentate or nearly entire, inv. urceolate, styles rather livid. 



