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. 245.—Belladonna: A, surface view of cells of the epidermis, showing also astoma. B, surface view of cells of the lower epidermis and 3 , a non-glandular hair. D, several types of glandular hairs. E, numerouscrystals of calcium oxalate in the form of sphenoidal microcrystals and smallprisms. F, fragment of xylem showing the wood fibers having simple pores,and several tracheae with bordered pores


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. 245.—Belladonna: A, surface view of cells of the epidermis, showing also astoma. B, surface view of cells of the lower epidermis and 3 , a non-glandular hair. D, several types of glandular hairs. E, numerouscrystals of calcium oxalate in the form of sphenoidal microcrystals and smallprisms. F, fragment of xylem showing the wood fibers having simple pores,and several tracheae with bordered pores and reticulate perforations. G,transverse section of a portion of the stem showing thick-walled bast fibers. similar to those found in the inner bark; pith of large irregular paren-chyma cells. Powder.—(Fig. 245.) Dark green; especially characteristic ofthe powder, cleared with solutions of potassium hydroxide or chloral BELLADONNA 585. Fig. 246.—Belladonna root: A, transverse section of older root in which thexylem or woody portion is fully developed, showing cork cells (K); starch-bearing parenchyma (P); microcrystals of calcium oxalate (Ca); woodfibers (W); tracheae (T7); medullary rays (M). B, transverse section of alateral root in which the xylem portion is not so fully developed, letters sameas in A.—After Collin. 586 SCIENTIFIC AND APPLIED PHARMACOGNOSY


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920