. 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. Proserpinaca palustris L. Mermaid- weed. Fig. 3079. Proserpinaca palustris L. Sp. PI. 88 1753. Glabrous, simple or sometimes branched, 8'-2o' high. Em'Crsed leaves oblong or linear- lanceolate, io"-2' long, I"-6" wide, sharply serrate, the submerged ones pectinate or pec- tinate-pinnatifid into stiff linear acute segments which are often serru
. 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. Proserpinaca palustris L. Mermaid- weed. Fig. 3079. Proserpinaca palustris L. Sp. PI. 88 1753. Glabrous, simple or sometimes branched, 8'-2o' high. Em'Crsed leaves oblong or linear- lanceolate, io"-2' long, I"-6" wide, sharply serrate, the submerged ones pectinate or pec- tinate-pinnatifid into stiff linear acute segments which are often serrulate, bearing a minute black spine in their axils; flowers solitary or several together, sessile in the axils of the emersed leaves; fruit about 2" long and 2" thick, sharply 3-angled, the faces concave, smooth or rugose. In swamps, New Brunswick to Minnesota, Flor- ida, Iowa, Texas and Central America. Alsc in Bermuda. July. 2. Proserpinaca pectinata Lam. Cut-leaved Mer- maid-weed. Fig. 3080. Proserpinaca pectinata Lam. Tab!. Encycl. pi. 50. : 214. 1791- Proserpinaca pectinacea T. & G. FI. N A. i: 528. 1840. Resembling the preceding species, but usually smaller. Leaves all pectinate or pinnatifid, the segments shorter and rarely serrulate, more subulate, or capillary; calyx-lobes broader; fruit smaller, about li" long by i" thick, the faces flat or slightly convex, often wrinkled or somewhat tuberculate, the angles obtuse. In sandy swamps near the coast, Maine to Florida, west to Louisiana. Summer. Proserpinaca intermedia Mackenzie, from swamps in south- ern New Jersey and Georgia, is quite intermediate between the two above species and may be a hybrid between Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. Ne
Size: 1478px × 1691px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
