24 



EXAMPLES OF LEAF-OUTLINE 



[CH. 



base being the broader, as in the leaves of the Daisy, 

 Alder, or the petals of a Dog-rose, &c. (Fig. 8), and the 

 terms spatlndate (1), obovate (2), and obcordate (3) are in 

 general use. 



The foregoing simple shapes, which may be regarded 

 as fundamental simply in the sense that the outline 

 figures of most leaves, &c., can be referred to one or more 

 of them, concern the general outline only, and although 

 other forms are occasionally met with, they may be con- 

 sidered as the commonest types. 



Examples of leaves presenting linear, acicular, subu- 

 late, and similar forms, are afforded by the following : 



The acicular type prevails in 



Cedars Douglas Fir 



Spruce Pines. 



The linear type prevails in 



Silver Fir Erica vagans 



Larch Yew 



Crowberry Bell Heather 

 Sea Buckthorn. 



The subulate type is rare, but occurs in 

 Juniper Tamarisk. 



The lanceolate type of leaf-form occurs in the following : 



Narrow lanceolate in 

 Andromeda Weeping Willow 



White Willow Salicc purpurea 



Broader lanceolate in 



Heath 



Salix viminalis 



Erica carnea 



Crack Willow 

 Salix vitellina. 



Aucuba 

 Chestnut 

 Salix triandra 

 Cherry Laurel 

 Mezereon 



Privet 



Lycinm 

 Azalea 



Rhododendron 

 Spurge Laurel. 



Portugal Laurel 

 Almond 

 Spindle Tree 

 Sweet Gale 



