HIERACIUM. 
•251 
! 52. H. aggregdtum (Backh.) ; deep green, rt.-l. ovate blunt 
coarsely dentate below floccose beneath when young, st.-l. 1 
lanceolate narrowed at both ends, st. corymhose and floccose at 
the top, peel, aggregate, inv. subtruncate below loosely floccose 
setose nearly hairless, phyll. blunt.— Sy. E. B. 845 ; Exsicc. 
Fasc. iii. 62 ; //. bifidmn Koch?— St. 12—20 in. high, usually 
simple. Fed. forming a close corymb as in //. umbellatum. 
Heads many. Buds cylindrical. Fl. bright yellow or orange. 
Styles yellow. L. rosulate, persistent ; original 1. nearly round ; 
innermost acutish. Petioles rather winged, slightly hairy. 
St.-l. subsessile. Phyll. adpressed. — ji. iwolongatum (F. J. 
Hanb.) ; /. longer ovate-lanceolate acute not floccose beneath, 
ped. much elongated., inv. longer and more hairy. — Exsicc. Fasc. 
V. 110. — By rocky streams in the Highlands. j8. Glen Lochay, 
Perthshire. P. VII. VIII. S. 
53. H. Pict6rnm (Linton) ; st. 1 h — 2 feet high, subglabrous 
1 — 4-headed, ped. somewhat floccose setose with few hairs, 
rt.-l. pale green glabrous above subglabrous paler and turning 
purple beneath, «.«'ves verycons2ncuous,ova,te or ovate-acuminate 
denticulate often sharply dentate at the base, suddenly narrowed 
into slightly winged hairy petioles, st.-l. 1 or absent petiolate 
lanceolate acuminate dentate, floccose beneath glabrous above. 
Inv. ovoid ventricose hairy setose somewhat floccose, phyll. 
adpressed, outer dark green subulate, inner paler with purpled 
and senescent tips, acuminate. Fl. gamboge-yellow glabrous 
upwards, styles olive-yellow. — Exsicc. Fasc. iv. 88 — /3. dasy- 
thrix (Linton) ; 1. dull green hairy beneath with densely ciliate 
margins, nerves inconspicuous, slightly and regularly dentate 
towards the base, inv. shaggy with white hairs. — Exsicc. Fasc. 
v. 111.— Central Highlands of Scotland. P. VII. VIII. S. 
54. //. br-itan'nicum (F. J. Hanb.) ; st. 12 — 18 in. high, 
branched striate with scattered hairs, ped. long somewhat 
arcuate very floccose with few hairs setose, rt.-l. firm glaucous 
glabrous above hairy beneath and on the margins much furroived 
by dee2'> parallel veining, outer broadly ovate apiculate sub- 
entire near the apex, very coarsely and irregularly toothed 
towards the remarkably truncate base, inner narrower more 
acute less truncate more deeply toothed, the teeth or appendages 
in I. often extending a long way down the petiole, st.-l. large 
near the base, or bract-like at the point of branching. Heads 
3—6, inv. truncate at the base ultimately conical, grey floccose 
with long hairs and few setae, phyll. long narrow acute porrect 
in bud, inner almost naked, outer broad lax. Fl. bright yellow 
glabrous-tipped, styles yellow or slightly dusky. — Exsicc. Fasc. 
ii. 36. — Limestone dales and scars. Yorkshire, Derbyshire, 
Stafford. P. VII. VIIL E. 
