. 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. I. Diphylleia cymosa Michx. Umbrella- leaf. Fig. 1959. D. cymosa Michx. Fl. Bor. Am. i ; 203. 1803. Erect, stout, i°-2° high, glabrous or nearly so Basal leaves solitary, long-petioled, i°-2° in diameter, peltate near the center, deeply 2-cleft, many-lobed, the lobes acute or acuminate, sharply dentate; cauline leaves 2, similar, smaller, peti- oled, constricte
. 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. I. Diphylleia cymosa Michx. Umbrella- leaf. Fig. 1959. D. cymosa Michx. Fl. Bor. Am. i ; 203. 1803. Erect, stout, i°-2° high, glabrous or nearly so Basal leaves solitary, long-petioled, i°-2° in diameter, peltate near the center, deeply 2-cleft, many-lobed, the lobes acute or acuminate, sharply dentate; cauline leaves 2, similar, smaller, peti- oled, constricted in the middle and generally pel- tate near the margin; cyme many-flowered, 2-3' broad; flowers white; petals flat, oblong, obtuse; fruiting pedicels slender, i' long or more; berries blue, globose to oblong, 6" long. In woods, Virginia to Georgia and Tennessee, along the mountains, mainly at higher altitudes. May-June. 5. JEFFERSONIA B. S. Barton, Trans. Am. Phil. Soc. 3: 342. 1793. Glabrous perennial herbs, with basal palmately-veined or palmately-lobed leaves, and solitary white flowers borne on slender scapes. Sepals 4, occasionally 3 or 5, petaloid, caducous. Petals 8, flat, longer than the sepals. Stamens 8; filaments slender; anthers dehiscent by valves. Pistil i; ovary ovoid, many-ovuled; stigmas 2-lobed. Capsule leathery, pynform, half-circumscissile near the summit. Seeds oblong, arillate. [In honor of Thomas Jefiferson.] A genus of 2 species, the typical one native of eastern North America, the other of Manchuria. 1. Jeffersonia diphylla (L.) Pers. Twin-leaf. Fig. i960. Podophyllum diphyllum L. Sp. PI. 505. 1753. Jeffersonia binata B. S. Barton, Trans. Am. Phil. Soc, 3 : 342. 1793. Jeffersonia Bartonis Michx. Fl. Bor. Am. i : 237. 1803. Jeffersonia diphylla Pers. Syn. i : 418. 1805. Erect, 6'-8' high when in flower, attaining i6'-i8' in fruit. Leaves glaucous beneath, long-petioled, cordate or reniform, 2'-(>' long, 2'-4' wide, parted longitudinally into
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
