IV 



The Trees of Great Britain and Ireland 



cratiegus monogvna, hawthorn, whitethorn 



Crataegus oxyacantha, Hawthorn, Whitehorn 



Saux ..... 



Salix Caprea, Sallow, Goat Willow 



Salix pentandra, Bay Willow 



Salix babylonica, Weeping Willow 



Salix fragilis, Crack Willow 



Salix alba, White Willow 



Salix ccerulea, Cricket-bat Willow 



Salix vitellina, Golden Willow . 



POPULUS ..... 



POPULUS ALBA, WhITE PopLAR 



PoPULus canescens, Grey Poplar . 



POPULUS TOMENTOSA 



POPULUS TREMULA, ASPEN . 



POPULUS TREMULOIDES, AMERICAN AsPEN . 



PoPULUS GRANDIDENTATA 



PoPULUS SlEBOLDII .... 



PopULUs Fremontii 



POPULUS NIGRA, BlACK POPLAR 



PopuLus monilifera, Canadian Black Poplar 

 PopuLUS angulata, Carolina Poplar 



POPULUS SEROTINA, BlACK ITALIAN PoPLAR 

 PoPULUS REGENERATA 

 POPULUS EUGENEI . 

 POPULUS MARILANDICA 



PopuLUS Henryana 



POPULUS ROBUSTA . 



PopuLUS Lloydii 



POPULUS ANGUSTIFOLIA 



POPULUS BALSAMIFERA, BaLSAM PoPLAR 



populus candicans, ontario poplar 



Populus trichocarpa, Western Balsam Poplar 



PopuLus Maximowiczii 



Populus Simonii .... 



Populus tristis 



Populus suaveolens 



Populus laurifolia 



Populus lasiocarpa 



Ulmus ..... 



PAGE 

 1733 

 1739 

 1743 



1745 

 1747 

 1749 



1754 

 1759 

 1763 

 1768 

 1770 

 1777 

 1780 

 1786 

 1787 

 1791 



1792 

 1794 

 1794 

 1795 

 1807 

 1810 

 1816 

 1824 

 1826 

 1828 

 1829 

 1829 

 1830 

 1831 

 1832 



1834 

 1836 

 1838 



1839 

 1840 

 1841 

 1842 

 1846 

 1847 



