. 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. Botany. CARROT FAMILY. 22. BUPLEURUM [Touni.] L. Sp. PI. 236. 1753. Annual or perennial herbs, with simple entire clasping or perfoliate leaves, and compound umbels of yellow or greenish-yellow flowers. Involucre none in our species. Involucels of 5 ovate mucronate bracts. obsolete. Petals broad, the apex inflexed or infolded. Stylopodium conic. Styles short. Fru
. 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. Botany. CARROT FAMILY. 22. BUPLEURUM [Touni.] L. Sp. PI. 236. 1753. Annual or perennial herbs, with simple entire clasping or perfoliate leaves, and compound umbels of yellow or greenish-yellow flowers. Involucre none in our species. Involucels of 5 ovate mucronate bracts. obsolete. Petals broad, the apex inflexed or infolded. Stylopodium conic. Styles short. Fruit oblong or oval, somewhat compressed laterally. Carpels angled, with slender equal ribs; oil-tubes none in our species. Seed-face concave. [Greek, ox-ribbe4 referring to the leaves.] About 65 species of wide geographic distribution Besides the following another occurs in the Rocky Mountains and northwestern America. Type species: Bupleurum rigidum L. I. Bupleurum rotundifolium L. Hare's Ear. Thorough-wax or -wort. Modesty. Fig. 3133. Bupleurum rotundifolium L. Sp. PI. 236. 1753- Annual, erect, rather stiff, branching, glabrous, pale, I'-z" high. Leaves broadly ovate, or oval, mostly obtuse, mucronate, I'-iJ' long, perfoliate, or the lowest nar- rowed into a petiole; umbels terminal, 3-6- rayed, the rays seldom over 4" long: bracts of the involucels about as long as the rays, yellowish; fruit glabroiis, about li" long. In cultivated fields, Xew Hampshire to North Carolina, west to South Dakota, Ten- nessee. Kansas and Arizona. Naturalized from Europe. July-.^ug. Bupleurum Odontites L., also European, with narrowly linear leaves, is recorded as found in Massachusetts. 23. THASPIUM Xutt. Gen. i: 196. 1818. Perennial herbs, with ternate or ternately compound leaves, or the basal ones some- times undivided, and compound umbels of yellow or purple flowers. Involucre none, or of 1-3 bracts. Involucels of several small bracts. Calyx-teeth prominent, acute. Stylopo- diu
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
