. Introduction to structural and systematic botany, and vegetable physiology. Botany. 114 THE STEM. plants with exogenous stems bears a pair of cotyledons and unfolds a pair of seed-leaves in germination (Fig. 106,125) ; hence, Exogens are likewise called Dicotyxedonoxts Plants. Sect. V. The Endogenous ok Monocotyledonous Stem. 203. Endogens, or Inside-growers, although they have many humble representatives in Northern climes, yet only attain their full characteristic devel- opment, and display their noble arbores- cent forms, under a tropical sun. Yet Palms — the type of the class — do ex- te
. Introduction to structural and systematic botany, and vegetable physiology. Botany. 114 THE STEM. plants with exogenous stems bears a pair of cotyledons and unfolds a pair of seed-leaves in germination (Fig. 106,125) ; hence, Exogens are likewise called Dicotyxedonoxts Plants. Sect. V. The Endogenous ok Monocotyledonous Stem. 203. Endogens, or Inside-growers, although they have many humble representatives in Northern climes, yet only attain their full characteristic devel- opment, and display their noble arbores- cent forms, under a tropical sun. Yet Palms — the type of the class — do ex- tend as far north in this country as the coast of North Caro- lina (the natural lim- it of the Palmetto, Fig. 184) ; while in Europe the Date and the Chamasrops thrive in the warm- er parts of the European shore of the Mediterranean. The manner of their growth gives them a strik- ing appear- ance ; their trunks being unbranched, cylindrical columns, rising majestically to the height of from tliirty to one hundred and fifty feet, and crowned at the summit with a simple cluster of peculiar foliage. Their internal structure is equal- ly different from that of ordinary wood. FIG. 184. The Chamffiropa Palmetto, in Tarious atagea, and the Tacca Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gray, Asa, 1810-1888. New York [etc. ] Ivison, Blakeman, Taylor & Co.
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