Q04 FLORA. 



often white-tomentose beneath, 4-7 cm. long, 8-16 mm. wide; head 25 mm. broad 

 or more; flowers yellow; bracts linear, acuminate, pubescent, usually with I or 2 

 exterior ones. Dooryards and fields, Ont., N. Y., Penn. and Mich. Adventive 

 from Europe. May-Sept. 



, Hieracium Pilosella Peleteri&num Mer. Stolons shorter, thick; plant silky -pubes- 

 cent. Fields and roadsides, Prince Edward Island. Nat. from Europe. 



2. Hieracium murorum L. WALL HAWKWEED. (I. F. f. 3562.) Stem 

 pubescent or glabrate, simple, or with I or 2 branches, 3-7 dm. high. Basal leaves 

 thin, ovate or oblong, obtuse or acute, cordate or truncate at the base, or abruptly 

 narrowed into petioles, coarsely dentate or laciniate, at least near the base, 5-10 cm. 

 long, 3-5 cm. wide, the petioles villous; stem leaves I or 2 (sometimes none), short- 

 petioled or sessile; heads about 25 mm. broad; peduncles ascending, usually 

 glandular; involucre 8-10 mm. high, its bracts linear-lanceolate, acute, glandular- 

 pubescent; pappus nearly white. Woodlands near Brooklyn, N. Y.; about Que- 

 bec. Adventive or fugitive from Europe. June-Aug. 



3. Hieracium yulgatum Fries. HAWKWEED. (I. F. f. 3563.) Similar to 

 the preceding species, sometimes taller and slightly glaucous; stem 2-5-leaved, 

 pubescent or glabrate. Basal leaves oblong or lanceolate, coarsely dentate or den- 

 ticulate, petioled, 5-12 cm. long, 1-3 mm. wide, stem leaves similar, short-petioled 

 or sessile; petioles more or less pubescent; peduncles mostly glandular, straight; 

 bracts linear, acuminate, mostly glandular. Lab. and Newf. to Quebec and in 

 southern N. Y. and N. J. Probably introduced. Also in Greenland, northern 

 Europe and Asia. July-Sept. 



4. Hieracium aurantiacum L. ORANGE or TAWNY HAWKWEED. GOLDEN 

 MOUSE-EAR HAWKWEED. (I. F. f. 3564.) Stolon iferous, or stolons wanting; stem 

 leafless or rarely with I or 2 small sessile leaves, hirsute, slender, 1.5-5 dm. high. 

 Basal leaves hirsute, tufted, spatulate or oblong, obtuse, narrowed at the base, 

 entire, or sometimes slightly denticulate, 5-12 cm. long, .5-2 cm. wide; heads 

 14-25 mm. broad; peduncles glandular-pubescent; involucre 8-10 mm. hign, its 

 bracts linear-lanceolate, acuminate, hirsute and sometimes glandular. In fields, 

 woods and along roadsides, N. B. and Ont. to N. Y., N. J. and Penn. Nat. from 

 Europe. June-Sept. 



5. Hieracium praealtum Vill. KING-DEVIL. (I. F. f. 3565.) Stolonifer- 

 ous or stolons wanting; stem glabrous, or somewhat hispid, glaucous, slender, 

 4-9 dm. high, bearing 1-3 leaves near the base. Basal leaves tufted, narrowly 

 oblong, lanceolate, or spatulate, entire, obtuse or acute at the apex, narrowed 

 below into margined petioies, hirsute with stiff hairs, 5-10 cm. long, 6-14 mm. 

 wide; heads 8-12 mm. broad; peduncles mostly short, pilose and glandular; in- 

 volucre about 6 mm. high, its bracts linear, acute or acuminate, pilose and some- 

 what glandular. In fields, meadows and along roadsides, Me. and Ont. to N, Y. 

 Nat. from Europe. June-Sept. 



6. Hieracium pratense Tausch. FIELD HAWKWEED. (I. F. f. 3566.) Stolon- 

 iferous, hirsute or pilose with long hairs, those of the stem blackish. Stem sea- 

 pose, simple, 3-6 dm. high, bearing I or 2 leaves below the middle; basal leaves 

 numerous, tufted, light green, oblanceolate to oblong, obtuse, 5-12 cm. long, 1-2 

 cm. wide, narrowed into margined petioles, or to a sessile base, entire, or with few 

 distant minute glandular teeth; heads 2 cm. wide, or less; peduncles glandular and 

 often tomentose; bracts of the involucre linear-lanceolate, acuminate, glandular 

 and pilose. Dongan Hills, Staten Island, N. Y. Nat. or adventive from Europe. 



7. Hieracium venosum L. RATTLESNAKE-WEED. POOR ROBIN'S PLAN- 

 TAIN. (I. F. f. 3567.) Stems solitary or several from the same root, slender, 

 glabrous, or with a few hispid hairs, leafless or with 1-3 leaves, 3-9 dm. high. 

 Basal leaves tufted, spreading on the ground, obovate, oval or oblorig-sparulate, 

 mostly obtuse, narrowed at the base, sessile or petioled, 3-10 cm. long, 1-3 cm. 

 wide, usually purple-veined, more or less hirsute, some or all of them glandular- 

 denticulate; heads 10-16 mm. broad, i5-4O-flowered, slender-peduncled; pedun- 

 cles glabrous, or slightly glandular; involucre about 6 mm. high. Dry woods and 

 thickets, Me. to Ont. and Manitoba south to Ga., Ky. and Neb. May Oct. 



8. Hieracium Marianum Willd. MARYLAND HAWKWEED. (I. F. f. 3568.) 

 Stems usually solitary, slender, 3-9 dm. high, bearing 2-7 leaves. Basal leaves 



