. Morphology of gymnosperms. Gymnosperms; Plant morphology. CONIFERALES (TAXACEAE) 349 drical mass of meristematic cells, and this cylinder invades the endo- sperm, its basal cells contributing to the suspensor. Later, growing points are organized, the root tip being deep in the cylinder, and the two concave cotyledons completely surrounding the stem tip. The peculiarity of the embryo-formation in Cephalotaxus (25, 124, 130) has been m.entioned, in which the terminal cells of the proembryo form a persistent cap for the embryo during its advance through the endosperm. That this same feature app

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. Morphology of gymnosperms. Gymnosperms; Plant morphology. CONIFERALES (TAXACEAE) 349 drical mass of meristematic cells, and this cylinder invades the endo- sperm, its basal cells contributing to the suspensor. Later, growing points are organized, the root tip being deep in the cylinder, and the two concave cotyledons completely surrounding the stem tip. The peculiarity of the embryo-formation in Cephalotaxus (25, 124, 130) has been m.entioned, in which the terminal cells of the proembryo form a persistent cap for the embryo during its advance through the endosperm. That this same feature app

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