. 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. 522 Vol. III. Tansy. i. Tanacetum vulgare L. Fig. 4569. Tanacetum vulgare L. Sp. PI. 844. 1753. Tanacetum vulgare crispum DC. Prodr. 6: 128. 1837. Stem stout, usually simple up to the inflo- rescence, glabrous, or sparingly pubescent, i4°-3° high. Leaves pinnately divided into linear-oblong, pinnatifid or incised, often crisp- ed segments, the lobe
. 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. 522 Vol. III. Tansy. i. Tanacetum vulgare L. Fig. 4569. Tanacetum vulgare L. Sp. PI. 844. 1753. Tanacetum vulgare crispum DC. Prodr. 6: 128. 1837. Stem stout, usually simple up to the inflo- rescence, glabrous, or sparingly pubescent, i4°-3° high. Leaves pinnately divided into linear-oblong, pinnatifid or incised, often crisp- ed segments, the lobes acute, usually serrate; lower segments of the leaves often smaller than the others; basal leaves often 1° long; heads commonly numerous, 3"-$" broad, rather short-peduncled; involucre depressed- hemispheric, its bracts oblong-lanceolate, ob- tuse, or the outer acute, slightly pubescent or ciliate; receptacle flat; flowers yellow; mar- ginal corollas with short oblique 3-toothed limbs; pappus a short crown. Along roadsides, mostly escaped from gardens, Nova Scotia and Ontario to Minnesota, Oregon, Nevada, North Carolina and Missouri. Natural- ized or adventive from Europe.* Bitter-buttons. Hindheal. Ginger-plant. July-Sept. 2. Tanacetum huronense Nutt. Lake Huron Tansy. Fig. 4570. Tanacetum huronense Nutt. Gen. 2: 141. 1818. Villous-pubescent throughout, at least when young, less so when mature, l°-2° high. Leaves 2-pinnately divided, the lobes dentate or incised, acute, the lower segments commonly smaller than the others; heads 1-8, 6"-8" broad, on very stout pubescent peduncles; involucre depressed-hemi- spheric; marginal flowers with 3-5-lobed limbs, often expanded into short rays; pappus a short crown. In moist soil, especially along streams or lakes, New Brunswick to Hudson Bay, Maine, Lake Su- perior, Alaska and Oregon. July-Sept. 94. ARTEMISIA [Tourn.] L. Sp. PI. 845- 1753- Odorous herbs or shrubs, often canescent or tomentose, with alternate le
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
