. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 8. Hieracium Grondvii L. Gronovius' or Hairy Hawkweed. Fig. 4101. Hieracium Gronovii L. Sp. PI. 802. 1753. Stem stiff, mostly slender, leafy and villous or hirsute, at least below, sometimes nearly leafless, i°-3° high. Leaves villous or hirsute, the basal and lower ones obovate or spatulate, denticulate or entire, obtuse, 2'-6' long, usually narrowed into peti
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 8. Hieracium Grondvii L. Gronovius' or Hairy Hawkweed. Fig. 4101. Hieracium Gronovii L. Sp. PI. 802. 1753. Stem stiff, mostly slender, leafy and villous or hirsute, at least below, sometimes nearly leafless, i°-3° high. Leaves villous or hirsute, the basal and lower ones obovate or spatulate, denticulate or entire, obtuse, 2'-6' long, usually narrowed into petioles; stem leaves mostly sessile, oblong or oval, obtuse or acute, narrowed or broad at the base, the upper gradually smaller; heads numerous, racemose-paniculate, S"-8" broad; peduncles glan- dular and canescent, slender; involucre about 4" high, somewhat canescent, its principal bracts in I series, linear-lanceolate, acute, with several very small outer ones; flowers yellow; achenes spindle- shaped, with a tapering summit; pappus brown. In dry soil, Massachusetts to Ontario, Illinois, Kansas, Florida, Louisiana and Texas. Santo Do- mingo. July-Sept. Cat's-ear. 9. Hieracium marianum Willd. Mary- land Hawkweed. Fig. 4102. H. marianum Willd. Sp. PI. 3 : 1572. 1804. Stems usually solitary, slender, pilose-pubescent, at least below, paniculately branched above, 2°-3° high, bearing 2-7 leaves. Basal leaves obovate, oblanceolate or oblong, ascending or erect, obtuse, narrowed at the base, sessile or petioled, hirsute, at least on the veins beneath, entire or glandular- denticulate, 2'-8' long, l'-z' wide, not purple-veined, mostly glabrous above, those of the stem similar, mostly smaller; heads commonly numerous, co- rymbose-paniculate, 6"-io" broad, 15-40-flowered, slender-peduncled; peduncles more or less glan- dular and sometimes canescent; involucre about 4" high, its principal bracts in 1 series, linear- lanceolate, acute, or acuminate, glabrou
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
