. 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. 6o2 ONAGRACEAE. 7. Kneiffia fruticosa (L.) Raimann. Common Sundrops. Fig. 3055. Oenothera fruticosa L. Sp. PI. 346. 1753. Kneiffia fruticosa Raimann, in Engl. & Prantl, Nat. Pfl. Fam. 3: Abt. 7. 214- i893- Kneiffia fruticosa pilosella Britton, Mem. Torr. Club 5: 234. 1894. Oenothera pilosella Raf. Ann. Nat. 15. 1820. Erect, usually branched, i°-3° high, pubescen
. 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. 6o2 ONAGRACEAE. 7. Kneiffia fruticosa (L.) Raimann. Common Sundrops. Fig. 3055. Oenothera fruticosa L. Sp. PI. 346. 1753. Kneiffia fruticosa Raimann, in Engl. & Prantl, Nat. Pfl. Fam. 3: Abt. 7. 214- i893- Kneiffia fruticosa pilosella Britton, Mem. Torr. Club 5: 234. 1894. Oenothera pilosella Raf. Ann. Nat. 15. 1820. Erect, usually branched, i°-3° high, pubescent with short or long hairs, or nearly glabrous. Leaves lanceolate, ovate-lanceolate or oval-lanceo- late, acute or obtusish at the , narrowed and sessile at the base or the lowest petioled, repand- denticulate, or rarely nearly entire, 1-4' long; flowers yellow, diurnal, l'-2' broad, in terminal leafy-bracted spikes; lanceolate, spreading, the tube mostly longer than the ovary; petals obcordate; capsule sessile or short-stalked, oblong, prominently winged, glabrous or pubes- cent, 3"-4" long- In dry soil, New Hampshire to Georgia, west to Minnesota and Louisiana. Recorded, from Nova Scotia. Wild beet. Scabish. June-Aug. Kneiffia Sumstinei Jennings, of western Pennsylvania, seems to be a race of this species with abundant long hairs, probably not distinct from Oenothera pilosella 8. Kneiffia glauca (Michx.) Spach. Sundrops. Fig. 3056. Glaucous Oenothera glauca Michx. Fl. Bor. \m. i : 224. 1803. Kneiffia glauca Spach. Hist. Veg. 4 : 374- â 83S. Erect, glabrous and glaucous, iJ°-3° high. Leaves sessile or the lower petioled, ovate or oval, repand- denticulate, 2-5' long, 5"-i5" wide, acute or acutish at tlie apex, narrowed or rounded at the base; flowers bright yellow, diurnal, ii'-3' broad, very showy in short. leafy corymbs; petals broadly obovate, emarginate: calyx-lobes ovate-lanceolate, acuminate, spreading, its tube v
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