eitpatoriuju:. — aster. 
173 
* Flowers all perfect. 
1. Ettpato'eium L'mn. Hemp- Agrimony. 
1. E. cannahimim (L.) ; 1. in 3 or 5 deep lanceolate serrate 
segments the middle one longest. — E. B. 428. — St. herbaceous, 
erect, striate, scabrous, 2 — 3 feet high. Heads in a fostigiate 
corymb, 5— 6-flo\vered. Phyll. about 10 ; 5 exterior short blunt. 
Florets reddish purple. L. downy. Herb slightly aromatic. — 
Banks of streams. P. VIH. IX. E. S. 1. 
** Heads subdioeciotts. 
2. Petasi'tes Gaert. Butterbiir. 
1. P. vtilffdris (Desf.) ; 1. roundish -cordate unequally toothed 
downy beneath with approximate basal lobes, stignaas of the 
submale tl. short ovate, female H. truncate obliquely. — H. xvi. 
901. Tussilayo Petasites Sm., E. B. 431 & 430.— Stoboliferous. 
Panicle long and lax in the female plant, ovoid and dense in the 
male. Fl. appearmg before the 1., on stout erect stalks which 
ai'e clothed vnXh. concave tumid petioles either leafless or with a, 
small limb. L. very large, radical, ultimately often 3 feet broad, 
glabrous above. — Swamps. P. IX. E. S. I. 
[P. fragrans (Presl) which has shortly ligulate female fl. is 
quite naturalized in some places ia the South.] ]<1 
3. Tussila'go Linn. Coltsfoot. 
1. T. Far'fara CL.).—E. B. 429. R. xvi. 904.— Stoboliferous. 
Fl. appearing before the 1., in bright yellow solitary heads, erect 
in blossom and seed, di-ooping before and after flowering ; their 
stalks clothed with scalelike smooth bracts. L. roundish-cor- 
date, angular, toothed, downy beneath. — Moist chalky and clav 
soils. P. HI. IV. E. S. 1. 
Tribe II. Asteroidecs. 
Style of the perfect fl. cylindric ; branches linear, flat, equally 
and minutely downy on the outer sm-face, having narrow promi- 
nent stigniatic lines throughout. 
Section 1. ERIGERINE^. Heads never dioecious, mostly 
radiant. Anth. vsdthout basal appendages. L. alternate. 
4. (7.) As'iEfi Linn. Starwort. 
1. A. TripSlitmi (L.) ; st. glabrous corymbose, 1. linear-lan- 
ceolate fleshy smooth, involucre imbricate, phyll. blunt mem- 
branous the inner ones longer. — E. B. 87. It. xvi. 907. Tripu- 
