156 
COMPOSITE. 
* TUBULIFOR^E. Herm. florets tubular, regular, teeth 4 or 5. 
Tribe I. Eupatoriacece. 
Style of the hermaphrodite florets cylindrical with elongated 
slightly clavate branches which are downy above ; stigmatic lines 
but little prominent often not extending as far as the middle of 
the branches. 
Section 1. E UP A TORIE/E. Heads homogamous (florets 
all hermaphrodite).- — Pappus pilose and rough. 
1. Eupatorium Linn. 
1. E. cannahinum (L.) ; 1. in 3 or 5 deep lanceolate serrated 
segments the middle one longest.— E. B. 478. — St. herbaceous, 
erect, striated, scabrous, 2 — 3 feet high. Heads in a fastigiate 
corymb, 5 — 6-flowered; involucral scales about 10 : 5"exterior 
short obtuse. Florets reddish-purple. L. downy. Herb slightly 
aromatic. — Banks of streams. P. VIII. IX. Hemp-agrimony. 
Section 2. TUSSILA GINEJE. Heads heterogamous or sub- 
dicecious. 
2. Petasites Gaert. 
1. P. vulgaris (Desf.) ; 1. roundish-cordate unequally toothed 
downy beneath : basal lobes approximate, stigmas of the herma- 
phrodite florets short ovate.— E. B. 431 and 430. St. 2. 13.— 
Thyrsus long and lax in the female plant, ovate and dense in the 
male. Root thick, creeping extensively. 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, ra- 
dical, ultimately often 3 feet broad, glabrous above. — In marshy 
places. P. IV. Butter-bur. 
3. Tussilago Linn. 
1. T. Farfara (L.). The only species.— E. B. 429. St. 2. 10. 
— Root creeping extensively. Fl. appearing before the 1., in 
bright yellow solitary heads, erect in blossom and seed, drooping 
before and after flowering, their stalks clothed with scaly smooth 
bracts. L. roundish-cordate, angular, toothed, downy beneath. 
— Moist chalky and clay soils. P. III. IV. Coltsfoot. 
Tribe II. Asteroidece. 
Styleof thehermaphroditeflorets cylindrical with linear branches 
which are flat and equally and minutely downy on the outer surface 
and have narrow prominent stigmatic lines throughout. 
