EUPATORIUM. — TUSSILAGO. 
201 
Suborder I. TUBULIFLOR^E. Flowers all tubular, 
regular, with 4 — 5 teeth ; or the outer ligulate. 
Tribe I. Eupator 'wa:. 
Fl. all tubular, regular, perfect. Anth. not tailed. Style- 
branche.s blunt, terete, subclavate. 
1. Eupato'kium Linn. Hemp-Agrimony. 
1. E. caunab'inum (L.) ; 1. in 3 or 5 deep lanceolate .serrate 
segments the middle one longest. — E. JJ. 4^8. — St. herbaceous, 
erect, striate scabrous, 2 — 3 feet high. Heads in a fastigiate 
corymb, 5 — fi-flowered. Phyll. about 10 ; 5 exterior short, 
blunt. Florets reddish purple. L. downy. Herb .slightly 
aromatic. — Banks of streams. P. VIII. IX. E. S. I. 
Tribe II. Titssilaginra: 
Fl. of ray female, filiform or ligulate ; of disk male, tubular. 
Anth. not tailed. Style-branches connate or short, with conical 
tips. 
2. Petasi'tes Hill. Butterbur. 
1. F. hi/b'ridns (G. M. S. em. Fritsch) ; 1. roundish-cordate 
unequally toothed downy beneath with approximate basal 
lobes, stigmas of the submale fl. short ovate, female fl. 
truncate obliquely. — E. B. 430, 431. R. xvi. 901. Tussilago 
Petasites (L.), P. qfiici/idlis (Moench). — Soboliferous, Panicle 
long and lax in the female plant, ovoid and dense in the male. 
Fl. appearing before the 1., on stout erect stalks which are 
clothed with concave tumid petioles either leafless or with 
a small limb. L. very large, radical, ultimately often 3 feet 
broad, glabrous above. — Swamps. P. IV. E. S. I. 
[P. frdgrans (Presl), Sy. E. B. 781, which has shortly ligu- 
late female fl., is established in some places in the South. — P. 
alius (Gaert.), Sy. E. B. 782, with white or cream-coloured fl., 
and much smaller deeply scolloped 1., is established in Scotland.] 
3. Tussila'co Linn. em. Hill. Coltsfoot. 
1. T. Far'fara (L.).—E. B. 429. B. xvi. 904.— Soboliferous. 
Fl. appearing before the 1., in bright yellow solitary heads, erect 
in blossom and seed, drooping before and after flowering : their 
stalks clothed with scalelike smooth bracts. L. roundish-cor- 
date, angular, toothed, downv beneath. — Moist chalky and clay 
soils. P. III. IV. ' E. S. I. 
