. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . Fig. 21. Linseed in cross spermoderm or seed coat; E endo-sperm; C cotyledons. The reservematerial, consisting of oil and pro-teids, is partly in the endosperm andpartly in the embryo. (Moeller.) 38 an outgrowth from the hilum, the Arillode, an outgrowth from the micro-pylc, and the Caruncle, a wart like body formed on the micropyle, also bristles, wings, and other appendages whichaid in disseminating the seeds. The Perisperm or Nucellar Tissue is
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . Fig. 21. Linseed in cross spermoderm or seed coat; E endo-sperm; C cotyledons. The reservematerial, consisting of oil and pro-teids, is partly in the endosperm andpartly in the embryo. (Moeller.) 38 an outgrowth from the hilum, the Arillode, an outgrowth from the micro-pylc, and the Caruncle, a wart like body formed on the micropyle, also bristles, wings, and other appendages whichaid in disseminating the seeds. The Perisperm or Nucellar Tissue isusually a thin layer, often without cell struc-ture, but in black pepper and cardamom(Fig. 20, p) it forms the larger part of theseed and contains the store of reserve Endosperm constitutes the bulk ofmany seeds ( cereals), but is almost, -^ entirely absent in others ( bean, crucifers). Fig. 22. Endos{)eriii of Uate Stone with reserve material in In the ccreals the outcr laycF OF layers ofoSoeller)^^ ^^^ ^^ the endosperm consist of aleurone cells, the remainder, of starch cells; in linseed the endosperm (Fig. 21, E), which constitutes about half of the seed, con-tains aleurone grains and oil, but no starch; in coffee and the date stone (Fig. 22) the bulky endosperm contains reserve material in the form of thick-ened ce
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
