JUustratione; 



A^iMcafl elm in winter (tint) . 

 Europear\ fepijh-^tinj) .... 

 Cluster q'f* jattfJMi^Xpeftimmons (tint) 



'tt-mite 

 eaves /and 



ay maple i 

 maple (tin 



^eayps and 



f^ maple floVc^J^-?^ 



oung leaves oKBne red'Snaple 

 ".ajhe Norv^^jgS'flWple breaks into a wonderful bloom" 

 ■.Sanferas^o^'fheji^?^ maple 

 A rtfaiVii^S^S^^ maple 

 'Sycafcjme^'m'aple blossoms . 



s of the ash-leaved maple 



Asljtf leav' 



maples in bloom 



Striped 



Flowers of tB&^chestnut oak (tint) 



Leaves and acorns of the pin-oak (tint) 



The swamp white oak in winter . 



Flowers of the pin -oak 



The swamp white oak in early spring 



An old post -oak 



A blooming twig of the swamp white oak . 

 Acorns of the English oak 

 Cones of the Norway spruce (tint) 

 Cones of the pitch pine (tint) . 



Front co^ver 

 Title-page 

 . Foreiuord 

 Contents page 

 . This page 

 tint) 

 ) • 



I 



3 

 4 

 7 

 9 

 1 1 



13 

 15 

 17 

 19 



21 



25 



27 



29 



31 

 36 

 39 

 41 

 47 

 49 

 51 



(ix) 



