Bulletin - Bureau of Chemistry

A-Epidermis aleurone grains angular apricot B-Section bitter almonds black walnut Brazil nut Bureau of Chemistry butternut Canarium CASHEW NUT cells averaging cellular spaces cent of kernels chloral hydrate cotyledons elongated embryo endocarp endodermis endosperm consists epicarp epidermal cells epidermal layer Epidermis of integument Epidermis of periderm flavor guard cells hard-shelled almond hindsii Histology inner layer integument and superficial integument X75 Japanese walnut Juglans kernel X175 layer of cells nearly circular numerous outer tissue papillæ parenchyma cells peach kernel pecan pericarp perisperm Persian walnut pores proportion of kernels prune radicle resemble rosette crystals Section at surface Section of integument seed coat shell single layer slightly soft-shelled almond species spermoderm Stomata stone cells structure superficial tissues Surface of integument surface of kernel thicker thin thinner tissues of kernel transverse section U. S. Dept usually varieties vascular bundles µ in diameter µ thick