Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . Fig. 135.—Prunus serotina Ehrhart: A, longitudinal section of inner bark, show-ing crystals of calcium oxalate (a), medullary ray cells containing starch(b and d), and leptome or sieve (c). B, transverse section of stem barkshowing cork, probably secondary periderm (a) cells of cortex (6) containingchloroplasts, groups of sclerotic cells (c), compressed leptome in the outerportion of the bast layer (d), medul
Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . Fig. 135.—Prunus serotina Ehrhart: A, longitudinal section of inner bark, show-ing crystals of calcium oxalate (a), medullary ray cells containing starch(b and d), and leptome or sieve (c). B, transverse section of stem barkshowing cork, probably secondary periderm (a) cells of cortex (6) containingchloroplasts, groups of sclerotic cells (c), compressed leptome in the outerportion of the bast layer (d), medullary ray cells (e), group of sclerotic cells(/), fissures (g) between medullary ray cells and adjacent phloem tissues,cambium zone (i), vessel or trachea in mature wood (Jo).—After Bastin. Powder.—Light brown; bast fibers and stone cells with muchthickened and strongly lignified walls; crystal fibers containingmonoclinic prisms and rosette aggregates of calcium oxalate to mm. in diameter; starch grains nearly spheroidalabout mm. in diameter. Constituents.—A cyanogenetic glucoside, identified by Power andMoore as 1-mandelonitrile glucoside, a compound
Size: 1127px × 2217px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
