904 FLORA. 





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

 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, Statin 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 oblong-spatulate, 

 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; In. ids 1016 mm. broad, 1 5 -40- flowered, slender-peduncled; pedun- 



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

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



8. Hieracium MarisUium Willd. Maryland Hawkweed. (I. F. f. 3568.) 

 Stems usually solitary, slender, 3 9 dm. hi jh, hearing 2 7 leaves. Basal leaves 



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, Out., N. Y., Penn. and Mich. Adventive 

 from Europe. May-Sept. 



Hieracium Pilosella Peleteriinum Mer. Stolons shorter, thick; plant silky -pubes- 

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



2. Hieracium murdrum L. Wall Hawkweed. (I. F. f. 3562.) Stem 

 pubescent or glabrate, simple, or with 1 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 vulgatum 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.) Stoloniferous, or stolons wanting; stem 

 leafless or rarely with 1 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. high, 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 petioles, hirsute with stiff hairs, 5-10 cm. long, 6-14 mm. I 

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

 volucre about 6 mm. high, its bracts linear, acute or acuminate, pilose and some-1 

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

 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 seal 

 pose, simple, 3-6 dm. high, bearing 1 or 2 leaves below the middle; basal leavei 

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





