. 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. One-blade. May-July. I8I2. 5. DISPORUM Salisb. Trans. Hort. Soc. 1: 331. [Prosartes Don, Ann. Nat. Hist. 4: 341. 184a] More or less pubescent herbs with slender rootstocks, branching stems, scaly below, leafy above, and alternate somewhat inequilateral sessile or clasping leaves, the flowers ter- minal, drooping, whitish or greenish yellow, solitary or few in s
. 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. One-blade. May-July. I8I2. 5. DISPORUM Salisb. Trans. Hort. Soc. 1: 331. [Prosartes Don, Ann. Nat. Hist. 4: 341. 184a] More or less pubescent herbs with slender rootstocks, branching stems, scaly below, leafy above, and alternate somewhat inequilateral sessile or clasping leaves, the flowers ter- minal, drooping, whitish or greenish yellow, solitary or few in simple umbels. Perianth of 6 narrow equal separate deciduous segments. Stamens 6, hypogynous; filaments filiform or somewhat flattened, longer than the anthers; anthers oblong, or linear, extrorse. Ovary 3-celled; ovules 2 or sometimes several in each cavity; style slender; stigma 3-cleft or en- tire. Berry ovoid or oval, obtuse. [Greek, referring to the 2 ovules in each cavity of the ovary, in most species.] About 15 species, natives of North America and Asia. Besides the following, some 5 others occur in western North America. Type species: Disporum pullum Salisb. Stamens shorter than the perianth; fruit smooth, 2^6-seeded. 1. D. lanuginosum. Stamens as long as the perianth; fruit roughened, 4-i8-seeded'. 2. D. trachycarpum. i. Disporum lanuginosum (Michx.) Nichols. Hairy Disporum. Fig. 1287. Streptopus lanuginosus Michx. Fl. Bor. Am. 1: 201. 1803. Prosartes lanuginosa Don, Trans. Linn. Soc. 18 : 532. 1841. Disporum lanuginosum Nichols. Diet. Gard. 1 : 485. 1884. Finely and rather densely pubescent, 1}°- 2ti° high. Leaves ovate-lanceolate, or oblong- lanceolate, 2'-4$' long, i'-a' wide, long-acumi- nate at the apex, rounded at the base, 7-15- nerved; flowers solitary or 2-3 together, greenish, 6"-o" long; pedicels filiform, about 1' long; perianth narrowly campanulate, its segments linear-lanceolate, acuminate, some- what spreading, glabrous, one-third to one- half
Size: 1440px × 1735px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
