202 CJMPOS1T.E. 



L. AUTUMNALE, L. Autumnal IlawJcLit. 



Ltaves more or less pinnatifld; s-ape branched; peduncle* several , thiekeaad it 

 the summit and furnished with smtll sealy bracts; involucre ovoid oblong. 



A Burop -an plant, naturalized in in in lows and ro 1d3id.es. July — Sept. Scape 

 16 to b inches high Bpreadin ;, branch: d into a few peduncle^ Leaott all radical, 

 spreading, 6 inches long, w nuses, and eoyered with remote hair*. 



iftads 1 inch in diametor, bright yellow, resembling the Dandelion. 



64. IIIERACIUM, Tourn. Hawkweed. 



Gr. JiieraJc, a hawk, supposed to strengthen the vision of birds of prey. 



Heads many-flowered. Involucre more or less imbri- 

 cated, ovoid; scales linear, obtuse, Achenia oblong or 

 columner, striate. Pappus a single row of tawny fragile 

 capillary bristles. — Perennial herbs, icith entire or toothed 

 alternate leaves, and single or panicled heads of yellow flowers' 



1. II. scabrum, Miclix. Rough Ilaichwcech 



Stem erect, leafy, rough-hairy ; leaves obovate or oval, entire or somewhat den- 

 ticulate, hairy, the lower narrowed, at the base the upper closely sessile ; panicle 

 stiff flexuous, at first racemose, at length rather corymbose. 



Woods and dry hills. July — Aug. Stem 1 to 3 feet high, round, striate, rather 

 stout. Leaves subacute, often purplish as well as the stem. Involucre 40 to Sjfr. 

 flowered, densely clothed with gland: large, with yellow flow- 



ers. Achmia obtuse at apex, bright red, with a tawny pap] 



2. H. Gronovii, L, Gronovius's Hawkweed. 



Stem erect, wand like, mostly simple, leafless anl paniculate above, leafy and 

 hairy below; leaves oblong and obovate, nearly entire, hairy; involucre and 

 peduncles sparingly glandular-bristly. 



D.y sterile soil, common. July— 'Aug. Stem 1 to A feet high, furnished with a 

 fev leaves below, naked above, and forming a long and narrow pan 

 rather small, 20 to 30-ftowered. Flowers yellow. 'Azkenia spindle-shaped, with a 

 very tapering summit. 



3. H. venosum, L. Veiny Hawkweed, Rattlesnake- 

 weed. 



Stem scape-like, naked or with a single leaf, smooth and slender, forking abovs 

 fnto a spreading loose corymb; leaves obovata oblong anl lanceolate, entire or ob- 

 scurely denticulate, hairy on the margin and midrib beneath. 



Dry soil and pine woods, common. June— Aug, . c " m 1 to 2 feet high. B idical 

 fescues spreading oa the ground, colored with purple veins. Bteads 23-flbwered on 

 Tery slender peduncles, Rays rather Large for the size of the heal, yellow. Re- 

 puted as an antidote for the poison ot the rattlesn 



4. H. paxiculatum, L. Panided Hawkweed. 



Stem, slender, lsafy, paniculate, hairy below; leaves lanceolate, acute at both 

 ends, slightly toothed, smooth; foods in a loose panicle on slender spreading pe- 

 duncles; achenia short, not tapering at the summit. 



Damp woods, common. August. Stein 1 to 3 feet high, diffusely branched. 

 Leaves thin, 2 to d inches long. Heads small, 12 to 20 flowered. Flowers yellow. 

 Achenia ribbed, reddish-brown. 



65. NABULUS, Cass. 



probably from the Greek nabla, a harp, in allusion to the lyr&ts leaves of 

 some species. 



