. 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 102nd meridian. er-weed. 3. Nabalus serpentarius (Pursh) Gall-of-the-Earth. Fig. 4112. Prenanthes serpentaria Pursh, Fl. Am. Sept. 499. pi. 24. integrifalius Cass. Diet. Sci. Nat. 34 : 95. serpentarius Hook. Fl. Bor. Am. i: 294. 1833. Glabrous or sparingly pubescent, green; stemstout or slender, not glaucous, i°-4° high. Leavesrather firm
. 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 102nd meridian. er-weed. 3. Nabalus serpentarius (Pursh) Gall-of-the-Earth. Fig. 4112. Prenanthes serpentaria Pursh, Fl. Am. Sept. 499. pi. 24. integrifalius Cass. Diet. Sci. Nat. 34 : 95. serpentarius Hook. Fl. Bor. Am. i: 294. 1833. Glabrous or sparingly pubescent, green; stemstout or slender, not glaucous, i°-4° high. Leavesrather firm, similar to those of the precedingspecies, equally variable in outline, pinnatifid orpinnately lobed, palmately divided, or merelydentate, or entire; inflorescence paniculate, thebranches divaricate, upcurved; heads numerous,about 3 broad, 8-12-flowered, pendulous, panicu-late, and commonly also in axillary clusters; in-volucre more or less bristly-hispid, rarely gla-brous, green or purplish, about il thick, S-7long, its principal bracts about 8, shorter than thepappus, with several minute lanceolate outer ones;flowers whitish or cream-color, rarely yellow;achenes about 3 long; pappus light brown or straw-color. 336 CICHORIACEAE. Vol. III.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
