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The article focuses on a research conducted to examine the nectar production and location and structure of the floral nectaries in the melliferous plant Daphne mezereum (D. mezereum) flowers. Topics discussed include high content of daphnin and coumarins in the D. mezereum's bark and Daphne odora's leaf buds, secretion of nectar onto the nectary surface of the stomata, and role of corolla filled with nectar in attracting bees and butterflies to the flower.

The article focuses on a research conducted to examine the micromorphology of pollen grains of three apricot species Prunus armeniaca cultivars including Early Orange, Harcot, and Wczesna z Morden using scanning electron microscopy and light microscopy. Topics discussed include study's aim to determine shape, size, and exine ornamentation of the species, large distance in the striae observed in Harcot pollen grains, and perforation in tectum of Prunus armeniaca's pollen grains.