Xylotomy of the Living Cycads, with a Description of Their Leaves and Epidermis |
Contents
Introduction | 7 |
Place of the Cycads in the system of plant taxonomy | 15 |
Xylotomy of the trunk | 23 |
Copyright | |
8 other sections not shown
Common terms and phrases
accessory cells blades bordered pits Bowenia calcium oxalate calcium oxalate crystal cell walls cells Photo Ceratozamia Ceratozamia mexicana cm long cortex Cycads Cycas diameter dichotomous Dioon edule Dioon spinulosum Drawing Dyer Encephalartos Encephalartos lehmannii end walls epidermal structure facing the stomatal folioles Greguss ground tissue guard cells including the accessory layered Leaf hypostomatic leaflet axis length Lepidozamia living Cycads longitudinal rows lumina Macrozamia Macrozamia miquelii Microcycas mucilage canals narrow parallel periderm phloem bundles phloem fibres Pit depth pith ray cells Plate XCVI polar cells primary pith rays primary rays rachis rows of stomata scalariform thickening separated by interbands shape and arrangement simple pits sinuous slightly slit slit-like species Stangeria stem stomata per sq stomatal pit tapering thick walls thick-walled epidermal cells thin walled tracheid walls tracheids transfusion cells transverse trapezoidal undersurface upper surface vascular bundle ring veins walls bear walls facing width XCVIII xylem bundles Zamia