. 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. 1. Scabiosa arvensis L. Field Scabious. Fig. 4008. Scabiosa arvensis L. Sp. PI. 99. 1753. Knautia arvensis T. Coult. Dips. 29. 1823. Perennial, pubescent, simple or little branched, i°-3° high. Basal and lower leaves petioled, lan- seolate, acute or acuminate, entire, lobed, or pin- natifid, 3'-8' long; upper leaves sessile, often deeply pinnatifid; heads long-
. 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. 1. Scabiosa arvensis L. Field Scabious. Fig. 4008. Scabiosa arvensis L. Sp. PI. 99. 1753. Knautia arvensis T. Coult. Dips. 29. 1823. Perennial, pubescent, simple or little branched, i°-3° high. Basal and lower leaves petioled, lan- seolate, acute or acuminate, entire, lobed, or pin- natifid, 3'-8' long; upper leaves sessile, often deeply pinnatifid; heads long-peduncled, depressed- globose, l'-l¥ broad; flowers lilac purple, about 6" long; receptacle depressed-hemispheric, not scaly, covered with hairs between the flowers; achene angled, crowned with the 8 or 10 linear- subulate calyx-teeth. In cultivated fields and waste places, Quebec to Massachusetts, Vermont, New York and Pennsyl- vania. ^Adventive from Europe. Other English names are blue buttons, blue caps, gypsy- or egyptian- rose, pincushion. June-Sept. 3. SUCCISA (Vaill.) Moench. Meth. 488. 1794. Herbs, similar to Scabiosa, with opposite leaves, the flowers in long-peduncled heads, subtended by a several-many-leaved involucre. Scales of the receptacle herbaceous or capil- lary. Involucels grooved, the margins 4-lobed or 4-toothed. Calyx-limb 5-toothed or 5-awned. Corolla oblique, 4-5-lobed. Stamens 4. Achene crowned with the persistent calyx. [From the Latin, to bite off, the rootstock in some species being short and blunt.] About 4 species, mostly natives of southern Europe. Type species Scabiosa Succisa L. i. Succisa australis (Wulf.) Reichenb. Southern Scabious. Fig. 4009. Scabiosa australis Wulf. in Roem. Arch. 3: Part 3, 316. 1803. Succisa australis Reichenb. Fl. Germ. Excurs. 196. 1830. Perennial, puberulent or pubescent, at least above; stem slender, branched, li°-3° high. Basal leaves oblanceolate to oblong, mostly obtuse, 4'-i2' long, the petiole often as
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
