330 CICHORIACEAE. Vor. III. 
4. Hieracium scabriaisculum Schwein. 
Narrow-leaved Hawkweed. Fig. 4097: 
A ee Schwein. in Long’s Exp. 2: 394. 
1824. 
Stem rather slender, glabrous or puberulent, 
sometimes hispid below, usually very leafy nearly 
or quite up to the inflorescence, usually simple, 
1°-23° high. Leaves lanceolate or linear-lanceo- 
late or the lowest spatulate, entire, denticulate or 
sometimes laciniate-dentate, acute or acuminate, 
narrowed to a sessile base, 1’-3’ long, 2”-7”" wide, 
glabrous above, mostly somewhat pubescent be- 
neath, the margins commonly ciliolate; no tuft 
of basal leaves at flowering time; heads few or 
several, corymbose, about 1’ broad; peduncles 
rather stout, canescent; involucres 5’-7” high, 
glabrous or somewhat pubescent, its bracts im- 
bricated in 2-3 series, the outer spreading; flow- 
ers bright yellow; achenes columnar, truncate; 
pappus copious, brownish. 
Minnesota to Nebraska, Saskatchewan, British 
Columbia and Oregon. Included in our first edition 
in the similar Old World H. wmbellatum L. Appar- 
ently erroneously recorded from the St. Lawrence 
River. June-Aug. 
5. Hieracium longipilum Torr. Long-bearded 
Hawkweed. Fig. 4098. 
’ H, longipilum Torr.; Hook. Fl. Bor. Am. 1: 298. 1833. 
Hieracium barbatum Nutt. Journ. Phil. Acad. 7: 70. 
1834. Not Tausch. 1828. 
Stem, at least its lower portion, and leaves densely 
covered with long brown rather rigid bristly hairs 
3’-1’ long, arising from papillae; stem very leafy 
below, stiff, simple, 2°-33° high. Basal and lower 
leaves spatulate or oblong, obtuse, mostly entire, 
4-8 long, narrowed into margined petioles, the 
upper lanceolate or spatulate, mostly sessile, the , 
uppermost small and bract-like; heads not very 
numerous, racemose or racemose-paniculate, 8’’—10” 
broad; peduncles short, stout, tomentose and glandu- 
lar; involucre 4”-5” high, its principal bracts in 1 
series, linear-lanceolate, acuminate, with several 
short subulate outer ones; flowers yellow; achenes 
fusiform with a slightly tapering summit; pappus 
brown. 
Prairies and dry woods, Ontario to Minnesota, IIli- 
nois, Kansas and Texas. July—Sept. 
LE 
ne 
ZZ 
LLL 
LB 
EE 
6. Hieracium paniculatum L. Panicled 
Hawkweed. Fig. 4099. 
Hieracium paniculatum L. Sp. Pl. 802. 1753. 
Glabrous throughout, or somewhat pilose-pu- 
bescent below, stem paniculately branched above, 
leafy, slender, 1°-3° high. Leaves thin, lanceo- 
late or oblong-lanceolate, acute or acuminate at 
the apex, narrowed to a sessile base, or the lowest 
into petioles, denticulate or dentate, 2’-6’ long, 
3”-12” wide; no tuft of basal leaves at flowering 
time; heads 5’-7” broad, commonly numerous, 
corymbose-paniculate, 12-20-flowered; peduncles 
slender, often drooping, quite glabrous or some- 
times glandular; involucre about 3” high, glabrous 
or nearly so, its principal bracts in I series, linear, 
acute with a few very small outer ones at the 
base; flowers yellow; achenes columnar, truncate; 
pappus brown, not very copious. 
In dry woods, Nova Scotia to Ontario, Michigan, 
Georgia, Alabama and Tennessee. Ascends to 4600 
ft. in Virginia. July—Sept. 
