. 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 . I. Limnia perfoliata (Donn) Haw. Spanish Lettuce. Fig. 1744. Claytonia perfoliata Donn ; Willd. Sp. PI. i: 1186. 1798. L. perfoliata Haw. Syn. PI. Succ. 12. 1812. Montia perfoliata Howell, Erythea i: 38. 1893. Annual, roots fibrous, stems several, erect or ascending, simple, 3'-i2' high, bearing a pair of connate-perfoliate leaves near the summit, completely or partially uni
. 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 . I. Limnia perfoliata (Donn) Haw. Spanish Lettuce. Fig. 1744. Claytonia perfoliata Donn ; Willd. Sp. PI. i: 1186. 1798. L. perfoliata Haw. Syn. PI. Succ. 12. 1812. Montia perfoliata Howell, Erythea i: 38. 1893. Annual, roots fibrous, stems several, erect or ascending, simple, 3'-i2' high, bearing a pair of connate-perfoliate leaves near the summit, completely or partially united into an orbicular concave disk, 2 broad or less. Basal leaves rhomboid-ovate, long-petioled, the blade i' long or more, obtuse or acute at apex, narrowed into the petiole; petioles shorter than the stems; raceme usually pe- duncled, loosely or compactly several-flow- ered, sometimes compound; bracts broad, deciduous; flowers white or pink, z"~$" broad; petals and stamens 5; capsule globose, \"-2" in diameter, 2-5-seeded. Established near Painesville, Ohio. Native from British Columbia to Mexico. April-May. 6. PORTULACA [Tourn.] L. Sp. PI. 445- i753- Diffuse or ascending, glabrous or pubescent fleshy herbs, with terminal flowers. Sepals 2, united at the base and partly adnate to the ovary. Petals 4-6 (mainly 5), inserted on the calyx, fugacious. Stamens 7-*, also on the calyx. Ovary many-ovuled; style deeply 3-9-cleft or parted Capsule membranous, dehiscent by a lid, many-seeded. [Latin, in allu- sion to the purging qualities of some species.] A genus of about 20 species, all but 2 or 3 natives of America. In addition to the following, some 7 others occur in the southern United States. Type species: Portulaca oleracea L. , Glabrous throughout; flowers small, yellow : leaves flat. Leaves mainly rounded at the ai5ex ; seeds minutely rugose. i. P. oleracea. Leaves mainly retuse : seeds prominently tuberculate. 2. P. retusa. Pilose-pubescent especially in the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
