13. Hieracium Pilosella L. Mouse-Ear Hawk-Weed

Fig. 4106

Hieracium Pilosella L. Sp. Pl. 800. 1753. Hieracium Pilosella peleterianum Mer. Nouv. Fl. Paris, Ed. 2, 230. 1821.

Stoloniferous, pilose-pubescent throughout; stolons leafy, rooting, slender, 3'-2' long. Scape slender, erect, 4'-15' high, leafless, with a single head, or sometimes 2-4; leaves oblong or spatulate, entire, obtuse or acutish at the apex, narrowed into petioles, often white-tomentose beneath, 1 1/2'-3' long, 4"-8" wide; head 1' broad or more; flowers yellow; principal bracts of the involucre in 1 or 2 series, linear, acuminate, pubescent, usually with 1 or 2 exterior ones; achenes oblong, truncate; pappus a single row of slender bristles.

Dooryards and fields, Prince Edward Island to Ontario, New York, Pennsylvania and Michigan. Adventive from Europe. Ling-gowans. Felon-herb. Mouse-bloodwort. May-Sept.

13 Hieracium Pilosella L Mouse Ear Hawk Weed 77713 Hieracium Pilosella L Mouse Ear Hawk Weed 778

14. Hieracium Floribundum Wimm. & Grab. Smoothish Hawkweed

Fig. 4107

Hieracum floribundum Wimm. & Grab. Fl. Siles. 22: 204. 1829.

Stoloniferous; plant glaucous-green; scape loosely hirsute and more or less glandular-pubescent, slender, 1°-2 1/2° high, the stolons sometimes 8' long. Basal leaves tufted, narrowly oblanceolate, acutish or obtuse, 2'-6' long, glabrous or very nearly so above, the margins and midvein beneath more or less hirsute; stem-leaves none, or rarely 1 or 2 near the base; flowers several, 1' broad or less, corymbose; peduncles glandular; rays bright yellow; bracts of the involucre in about 2 series, hirsute.

In fields, New Brunswick and Maine to New York. Naturalized from Europe. June-Aug.

15. Hieracium Pratense Tausch. Fieid Hawkweed

Fig. 4108

H. pratense Tausch, Flora 11: Part 1, Erg. 56. 1828.

Stoloniferous, hirsute or pilose with long hairs, those of the stem blackish. Stem scapose, simple, 1°-2° high, often bearing 1 or 2 leaves below the middle; basal leaves numerous, tufted, light green, oblanceolate to oblong, obtuse, 2'-5' long, 5"-10" wide, narrowed into margined petioles, or to a sessile base, entire, or with few distant minute glandular teeth, hirsute on both sides; heads several or numerous, corymbose-paniculate, 10" wide, or less; flowers yellow; peduncles glandular and often tomentose; bracts of the involucre linear-lanceolate, acuminate, glandular and pilose; achenes columnar, truncate.

Fields and roadsides, Quebec to southern New York and Pennsylvania. Naturalized or adventive from Europe.

15 Hieracium Pratense Tausch Fieid Hawkweed 77915 Hieracium Pratense Tausch Fieid Hawkweed 780

16. Hieracium Aurantiacum L. Orange Or Tawny Hawkweed. Golden Mouse-Ear Hawkweed

Fig. 4109

Hieraciutn aurantiacum L. Sp. Pl. 801. 1753.

Stoloniferous; stem leafless or rarely with 1 or 2 small sessile leaves, hirsute, slender, 6'-2o' high. Basal leaves hirsute, tufted, spatulate or oblong, obtuse, narrowed at the base, entire, or sometimes slightly denticulate, 2-5' long, 1/4'-1' wide; heads several, short-peduncled, corymbose, 7"-12" broad; peduncles glandular-pubescent; involucre 4"-5" high, its bracts linear-lanceolate, acuminate, imbricated in 2 or 3 series, hirsute and sometimes glandular; flowers orange or red; achenes oblong, truncate; pappus a single row of slender brownish bristles.

In fields, woods and along roadsides, New Brans-wick and Ontario to New York, New Jersey and Pennsylvania. Naturalized from Europe. Grim-the-collier. Devil's- or Flora's-paint-brush. Red daisy. Missionary-weed. June-Sept.