American journal of pharmacy . s of calcium oxalatewhich vary in diameter from 25 to 40 microns, and sometimes maybe found in large numbers in the parenchyma cells adjoining thefibrovascular bundles. The parenchyma cells of the sarcocarp of the young fruits havevery thin walls, but in the older fruits the walls of very manyof the cells become lignified and have large oblique pores. Thetrachea? are in radial rows two cells wide separated by medullaryrays one cell wide. They are usually spiral. At both the apical and basal portions of the fruit occur curved,spear-shaped, unicellular, non-glandul
American journal of pharmacy . s of calcium oxalatewhich vary in diameter from 25 to 40 microns, and sometimes maybe found in large numbers in the parenchyma cells adjoining thefibrovascular bundles. The parenchyma cells of the sarcocarp of the young fruits havevery thin walls, but in the older fruits the walls of very manyof the cells become lignified and have large oblique pores. Thetrachea? are in radial rows two cells wide separated by medullaryrays one cell wide. They are usually spiral. At both the apical and basal portions of the fruit occur curved,spear-shaped, unicellular, non-glandular hairs (Fig. D) re-sembling those found in the pericarp of the cereal grains,but distinguished from the latter by the fact that theyare frequently united to form stellate groups resembling Am. Jour. , 1911. ./ New Vegetable Adulterant. 379 those of kamala and those occurring on the leaves ofhamamelis. The contents may be nearly colorless or con-sist of a reddish-brown tannin-like substance. There are also Fig. Pericarp of fruit of Juglans rcgia : A. stomata of ejpicarp; A. of pericarp; showing epidermis (d, cells with reddish-brown contents (c), sclerotic cells (*), parenchyma (/>>.containing protoplasm and starch grains; C, mestome strand of the sarcocarp showing vessels( ie>.leptome (si. parenchyma containing protoplasm and starch lp)\ P. non-glandular hairs from fthe apical and basal portions of fruit; E, glandular hairs [torn base 01 trullsimilar to those found in large numbers on the surface of the butternut (Juglans cincrea). /•.rosette-aggregates resembling the membrane crystals of RosanofT; G. sclerotic cells found in thepowder; H. fragment of non-glandular hair; K. starch grains from 2 to 10 u in diameter; /•trachea with annular markings; M, calcium oxalate crj present, usually at the base of the fruit, and also on the stems,when these are present, long-stalked glandular hairs (Fig. E)similar to those covering the fruit of Jugl
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Keywords: ., bookcentury1800, bookdecade182, booksubjectpharmacy, bookyear1829
