. 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. 4. Anogra latifolia Rydb. Gray-leaved Evening- Primrose. Fig. 3048. Oenothera pallida latifolia Rydb. Contr. U. S. Nat. Herb. 3 : 159. 1895. Anogra latifolia Rydb. Bull. Torr. Club 31 : 570. 1904. Perennial, often much branched, 2° high or less, the stout branches canescent, ascending. Leaves lanceolate to oblong, firm in texture, 2-4' long, i'-ii' wide, acute,
. 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. 4. Anogra latifolia Rydb. Gray-leaved Evening- Primrose. Fig. 3048. Oenothera pallida latifolia Rydb. Contr. U. S. Nat. Herb. 3 : 159. 1895. Anogra latifolia Rydb. Bull. Torr. Club 31 : 570. 1904. Perennial, often much branched, 2° high or less, the stout branches canescent, ascending. Leaves lanceolate to oblong, firm in texture, 2-4' long, i'-ii' wide, acute, sinuate-dentate, or sometimes nearly entire, ashy- canescent on both sides; flowers axillary, white, turn- ing pink, ii'-2' wide; calyx strigose without; tips of the calyx-segments free in the bud; calyx-throat glabrous within; capsules linear, i'-2' long, widely spreading or somewhat upcurved. Dry soil, Nebraska and Kansas to Utah and New Mexico. lune-Aug. 10. KNEIFFIA Spach, Hist. Veg. 4: 373. 1835. Usually slender annual or perennial caulescent shrubby herbs. Leaves thinnish, mostly narrow, entire or shallowly toothed; buds mostly erect. Flowers yellow, diurnal, in ter- minal spikes or racemes. Calyx-tube slender, dilated at the throat; calyx-segments finally reflexed, the tips united in the bud or nearly so. Petals 4, spreading. Stamens 8, the alter- nate ones longer; filaments filiform; anthers linear. Ovary usually club-shaped, 4-angled; united styles filiform; stigma 4-cleft; ovules numerous, on slender stalks, in many rows. Capsules more or less club-shaped, nearly sessile or long-stalked, 4-winged or rarely sharply 4-angled, Seeds numerous, not angled, without a tubercle. [In honor of Prof, C. Kneiff, of Strassburg, who wrote on cryptogamic botany,] About 12 species, mostly in temperate North America. Tjrpe: Kneiffia glauca (Michx.) Spach. Stem-leaves filiform-linear; capsules 4-angled' or very slightly 4-winged. i. K. linifolia. Stem-leaves never approaching filifor
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
