. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ^stals are absent. The indescribable but highly characteristicthin sinuous walls of the upper epidermis, theelongated and horned stomata and the glandularhairs are positive means of distinction from tea. ROWAN LEAVES. The European rowan or mountain ash {Sor-hiis Aucuparia L., Pyrus Aucuparia Gaertn.,order Rosacea), is often cultivated because of itsscarlet berries. The odd-pinnate leaves arepubescent when young, nearly smooth whenold (Fig. 372). The leaflets are lanceola
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ^stals are absent. The indescribable but highly characteristicthin sinuous walls of the upper epidermis, theelongated and horned stomata and the glandularhairs are positive means of distinction from tea. ROWAN LEAVES. The European rowan or mountain ash {Sor-hiis Aucuparia L., Pyrus Aucuparia Gaertn.,order Rosacea), is often cultivated because of itsscarlet berries. The odd-pinnate leaves arepubescent when young, nearly smooth whenold (Fig. 372). The leaflets are lanceolate andirregularly serrate. The veins pass into the teeth without forming loops.^ B. Fig. 370, Ash {Fraxinussp,). Leaflet, natural size. (MOELLER.)
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
