332 CICHORIACEAE. Vor. III. 
10. Hieracium vendsum L. Rattlesnake-weed. Poor Robin’s Plantain. 
Fig. 4103. 
Hieracium venosum L. Sp. Pl. 800. 1753. 
Stems solitary or several from the same root, 
slender, glabrous, or with a few hispid hairs near 
the base, or also above, leafless or with 1-3 leaves, 
paniculately branched above, 1°-3° high. Basal 
leaves tufted, spreading on the ground, obovate, oval 
or oblong-spatulate, mostly obtuse, narrowed at the 
base, sessile or petioled, 1-4’ long, 2’-14’ wide, usu- 
ally ‘purple- veined, glabrous or more or less hirsute, 
pale beneath, some or all of them glandular-der‘icu- 
late; heads ‘commonly numerous, 5-8” broad, .3- 
40- -flowered, slender-peduncled ; Dede glabrous, 
or slightly glandular; involucre about 3” high, its 
*principal bracts in I series, glabrous or nearly so, 
with a few short outer ones; achenes columnar, trun- 
cate; pappus brown, not copious. 
Dry woods and thickets, Maine to Ontario and Mani- 
toba, south to Georgia, Kentucky and Nebraska. Ascends 
to 4200 ft. in North Carolina. Early or vein-leaf hawk- 
weed. Striped bloodwort. Snake-plantain. Hawkbit. 
Adder’s-tongue. May-—Oct. 
11. Hieracium Greénii Porter and Britton. 
Green’s Hawkweed. Fig. 4104. 
Pilosella spathulata Sch. Bip. Flora 45: 439. 1862. Not 
Hieracium spathulatum Scheele, 1863. 
ierasuen marianum var. spathulatum _e Gray, Syn. Fl. 
: Part 2, 446. 1886. 
a Greenii Porter and Britton, Bull. Torr. Club 20: 120. 
1693 
Stem entirely glabrous up to the branches, rather 
slender, leafless or rarely with 1 or 2 leaves. 14°-23° 
high. Basal leaves tufted, ascending, spatulate, ob- 
long, or obovate, obtuse, narrowed at the base, mostly 
petioled, glandular-denticulate or entire, villous- 
pubescent or somewhat hispid, 4-7’ long, 3’-2’ wide; 
heads corymbose-paniculate, several or numerous, 
30-40-flowered, slender-peduncled, 8-10” broad; 
peduncles and branches canescent-tomentose and 
glandular; involucre 5” high, its principal bracts in 
I series, linear, acute, densely pilose-glandular; 
flowers bright yellow; achenes columnar, truncate; 
pappus brownish, not copious. 
In dry soil, mountains of Pennsylvania to Ohio, Vir- 
ginia and West Virginia. May-June. 
12. Hieracium florentinum All. King- 
devil. Fig. 4105. 
H. florentinum All. Fl. Ped. 1: 213. 1785. 
Stolons wanting; stem glabrous, or somewhat 
hispid, glaucous, slender, 13°-3° high, bearing 1-3 
leaves near the base. Basal leaves tufted, nar- 
rowly oblong, oblanceolate, or spatulate, entire, 
obtuse or acute at the apex, narrowed below into 
margined petioles, more or less hirsute with stiff 
hairs, or glabrous, 2’-4’ long, 3-7” wide; heads 
several or numerous, corymbose, 4”-6” broad; 
peduncles mostly | Short, pilose td glandular ; 
involucre about 3” high, its bracts linear, acute 
or acuminate, pilose and somewhat glandular, 
imbricated in about 2 series; flowers yellow; 
achenes oblong, truncate; pappus a row of slen- 
der brownish bristles. 
In fields, meadows and along roadsides, New York 
and Ontario to Quebec and Maine; a troublesome 
weed. Naturalized from Europe. Referred in our 
first edition to H. praealtum, also native of Europe, 
which differs in having long leafy branches from the 
base, and is recorded as established in a meadow at 
Andover, Massachusetts. June—Sept. 
