. 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. 436 LINACEAE. Vol. II. 5-io-valved, the carpels with incomplete false septa, each one longitudinally ridged and grooved on the back. Seeds flat, lenticular. [The classical Latin name.] About 8 species, natives of temperate or warm regions. In addition to the following another occurs in the western United States. Type species ; Linum usitatissimum L. Annual; int
. 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. 436 LINACEAE. Vol. II. 5-io-valved, the carpels with incomplete false septa, each one longitudinally ridged and grooved on the back. Seeds flat, lenticular. [The classical Latin name.] About 8 species, natives of temperate or warm regions. In addition to the following another occurs in the western United States. Type species ; Linum usitatissimum L. Annual; introduced; inner sepals ciliate ; capsule about as long as the calyx, i. L. usitatissimum. Perennial; western ; sepals eciliate ; capsule much exceeding the calyx. 2. L. Lewisii. I. Linum usitatissimum L. } ti si tat is si Flax. Lint-bells. Linseed. Fig. 2675 Linum usitatissimum L. Sp. PI. 277. 1753. Annual, often tufted, erect, branching above, i2'-2o' high, glabrous and somewhat glaucous. Stem terete, striate, the branches slightly an- gular; leaves alternate, 3-nerved, lanceolate, i'-i¥ long, i"-3" wide, acute or acuminate; stipules none; inflorescence a terminal cy- mose leafy panicle; flowers blue, 6"-8" broad; pedicels slender; sepals oval, acuminate, the interior ones ciliate and 3-ribbed; petals cu- neate, crenulate, twice the length of the sepals ; capsule ovoid-conic, 3"-4" long, equalling or somewhat exceeding the sepals, indehiscent, incompletely lo-celled, the septa not ciliate; seeds compressed. Along roadsides, railways and in waste places, fugitive from Europe or from cultivation. Called also flix, lin, lint. Cultivated flax. Summer. Linum hiimile Mill., another Old World species, may be distinguished tiy its dehiscent capsule with ciliate septa. It is rarely met with in our area in similar situations. Both have been cultivated since prehistoric times for their fibre and oil. Their origin is unknown. Linum grandiflorum Desf., origina
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
