An Introduction to Botany

according anther apex appearance applied arranged Author axis bark base bears become body botanists branches Brown buds called calyx Candolle cause cells cellular tissue cellules centre characters colour common consequence considered consists containing corolla covered cuticle described developed direction distinct distinguished divided doubt earth embryo exist external extremely fibre figure flowers former fruit green grow hairs important indicate instance kind known latter leaf leaves less light lines manner margin mass means membrane modifications nature observed occasionally opinion opposite organs origin ovarium particular perfect petals petiole pith placenta plants Plate position principles produced remarkable roots round seed seen separate sides simple single sometimes species spiral vessels stamens stem stigma structure surface term thing tree true tubes usually varieties vascular vegetation Vols whole wood woody fibre young zone