II] EXAMPLES OF LEAF-APEX 29 



Examples of acute apex occur in 



Elder Walnut Wayfaring Tree 



Spindle Tree Rowan Dogwood 



Mistletoe Heather Sallow 



Privet Bittersweet Symphoricarpos 



Hornbeam Apple Beech 



Blackthorn Plum Arbutus 



Bilberry Cross -leaved Heath. 



The acuminate apex is common in 



Ash Birch Virginian Creeper 



Thuja Bird Cherry Salix pentandra 



Hazel Aucuba 8. daphnoides 



Crack Willow Buckthorn 8. viminalis 



Gean Lime S. purpurea 



Lilac Black Poplar Elms 



White Willow Cherry Horse-chestnut. 



Examples of obtuse apex occur in 

 Robinia Crowberry Sea Buckthorn 



Loiseleuria White Beam ^ n g 



Pear Bog Myrtle Aspen 



Cotoneaster Salix herbacea. 



The retuse apex occurs in 



Robinia Cowberry Salix retusa 



Silver Fir Alder l S. reticulata 



Box Bog Whortleberry. 



The mucronate apex may be found in 

 Laburnum Cotoneaster Douglas Fir 



Cypress Robinia Spruce 



Fly Honeysuckle. 



Examples of leaves serrate in various degrees occur in 

 Elder Mulberry Virginian Creeper 



Ash Rowan Horse-chestnut 



