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 ed2illustratedflo02brit Year: 1913 7S NYMPHAEACEAE. leathery several-seeded a sac at the base of the lanceolate. Ovules very numerous on the walls of the ovary. Fruit berry. Seeds often shining, with the embr}0 enclosed in fleshy endosperm. Five genera and about 45 species, widely distributed in fresh water. Petals small or minute ; stamens hypogynous. i. Nymphaea. Petals larg
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 ed2illustratedflo02brit Year: 1913 7S NYMPHAEACEAE. leathery several-seeded a sac at the base of the lanceolate. Ovules very numerous on the walls of the ovary. Fruit berry. Seeds often shining, with the embr}0 enclosed in fleshy endosperm. Five genera and about 45 species, widely distributed in fresh water. Petals small or minute ; stamens hypogynous. i. Nymphaea. Petals large, numerous ; stamens epigynous. 2 Castalia. I. NYMPHAEA [Tourn.] L. Sp. PI. 510. 1753. [NuPHAR Sibth. & Smith, Fl. Graec. Prodr. i: 391 1806.] Aqtiatic herbs, with cylindric thick horizontal rootstocks, and large cordate leaves with a deep sinus. Flowers showy, yellow, or sometimes purplish. Sepals 5-6, concave, thick. Petals =^, small, stamen-like, hypogynous. Stamens 00, hypogynous. Carpels 00, many- ovuled, united into a compound pistil. Stigmas disciform, 8-24-radiate. Fruit ovoid, naked. Seeds with endosperm. [Greek, water-nymph.] -\ genus of about 8 species, natives of the north temperate zone. Type species: Nyinpliaea lutea L. Leaves broadly ovate or oval. Leaves $'-12' long; stigma 12-24-rayed; petals truncate, fleshy. i. A', advena. 4' long; stigma 7-10-rayed; petals spatulate, thin. 2. N, micropkylla. 3. N. sagittacfolia. I. Nymphaea advena Soland. Large Yellow Pond Lily. Kelp. Fig. 1839. Nymphaea advena Soland. in Ait. Hort. Kew. 2 : 226. 1789. Nuphar advena R. Br. in Ait. Hort. Kew. Ed. 2, 3: 295- 181!. N. advena minor Morong, Bot. Gaz. 11: 167. 1886. Floating and emersed leaves 5-12' long, s'-g' broad, ovate or orbicular-oval, thick, the sinus 2-5' deep, generally open; submerged leaves, when present, thin-membranous, nearly orbicu- lar, otherwise similar; petioles, peduncles and lower surfaces of the leaves often pubescent; flowers ih.'-zi' in diaineter, depresse
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