. 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. i8 MENYANTHACEAE. Vol. III. i. Menyanthes trifoliata L. Buckbean. Marsh or Bean Trefoil. Bog-bean or -myrtle. Fig. 3370. Menyanthes trifoliata L. Sp. PI. 145. 1753- Rootstock thick, scaly, sometimes i° long, mark- ed by the scars of bases of former petioles. Leaves 3-foliolate; petioles sheathing at the base, 2-10' long; leaflets oblong or obovate, entire, obtu
. 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. i8 MENYANTHACEAE. Vol. III. i. Menyanthes trifoliata L. Buckbean. Marsh or Bean Trefoil. Bog-bean or -myrtle. Fig. 3370. Menyanthes trifoliata L. Sp. PI. 145. 1753- Rootstock thick, scaly, sometimes i° long, mark- ed by the scars of bases of former petioles. Leaves 3-foliolate; petioles sheathing at the base, 2-10' long; leaflets oblong or obovate, entire, obtuse at the apex, narrowed to the sessile base, pinnately veined, ii-3' long; raceme borne on a long scape-like naked peduncle, arising from the root- stock, 10-20-flowered; pedicels stout, 3"-i2" long, bracteolate at the base; flowers 5"-6" long; calyx shorter than the white or purplish corolla, which is bearded with white hairs within; stamens shorter than the corolla and style exserted, or longer and style nearly included; capsule ovoid, obtuse, about 4" long. In bogs, Greenland to Alaska, south to Long Island, Pennsylvania, Minnesota, Nebraska and California. Also in Europe and Asia. Water- or bitter trefoil. Water-shamrock. Moon-flower. Marsh-clover. Bitter worm. Bog-nut. Brook-bean. 2. NYMPHOIDES Hill, Brit. Herb. 77. 1756. [Limnanthemum S. G. Gmelin, Nov. Act. Acad. Petrop. 14: 527. pi. 17. f. 2. 1769.] Aquatic perennial herbs, with slender rootstocks. Leaves floating, petioled, ovate or orbicular, deeply cordate, entire or repand, or the primary ones different; flowers yellow or white, polygamous, umbellate at the summit of filiform stems at the bases of the petioles, or axillary, often accompanied by a cluster of thick elongated root-like tubers. Calyx 5-parted. Corolla nearly rotate, deeply 5-cleft, the lobes induplicate-valvate in the bud, sometimes fimbriate on the margins, glandular at the base. Stamens 5, inserted on the base of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
