Elementary Botany

algæ annulus anther antheridium archegonium attached axils axis bear belong bodies branches buds calyx capsule carpels chlorophyll coleochate color cone corolla cycas developed divides egg cell embryo endosperm examine female prothallium ferns fertilized egg flower fruit fungi gametophyte germination gonidia green growing growth gymnosperms isoetes layer leaf leaves liverworts lobes macrosporangia macrospore male prothallium marchantia margin mature microscope mnium mosses mother cells mucor mycelium nucellus nucleus œdogonium oogonium outer oval ovary ovule petals phase phyte pine pinnæ pistil pollen grain pollen tube portion prothallium protoplasm rhizoids riccia root rust scale seed seedling selaginella sepals sexual organs shoot showing shown in fig side slender soil species sperm cells spermatozoids spirogyra sporangia sporangium spore-case spores sporogonium sporophyte stage stalk stamens stem sterile surface takes place teleutospores thallus threads tion tissue trillium upper usually vaucheria whorl young zoids zoospores