. Pharmaceutical botany. Botany; Botany, Medical. PHARMACEUTICAL BOTANY panying the tracheae (ducts). The walls of these fibres show oblique pores. Woody fibres are the supporting elements of the xylem. Hard Bast is composed of elongated, spindle-shaped, thick-walled elements called bast fibres. The characteristic thickening of the Fig. 4.—^Laticiferous vessels from the cortex of root of Scorozonora hispanica. A, as seen under low power, and B, a smaller portion under high power. {From Steiens after Sachs.) of these fibres is due to deposits of lignin upon the inner surface of the cell
. Pharmaceutical botany. Botany; Botany, Medical. PHARMACEUTICAL BOTANY panying the tracheae (ducts). The walls of these fibres show oblique pores. Woody fibres are the supporting elements of the xylem. Hard Bast is composed of elongated, spindle-shaped, thick-walled elements called bast fibres. The characteristic thickening of the Fig. 4.—^Laticiferous vessels from the cortex of root of Scorozonora hispanica. A, as seen under low power, and B, a smaller portion under high power. {From Steiens after Sachs.) of these fibres is due to deposits of lignin upon the inner surface of the cellulose cell wall. Like the woody fibres the lumina of these contain air and the fibre walls are provided with oblique pores. Bast is the supporting tissue of the 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 Youngken, Heber W. (Heber Wilkinson), 1885-1963; Stewart, Francis Edward, 1853-1941. Philadelphia, P. Blakiston's son & co
Size: 1116px × 2241px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbo, booksubjectbotany
