COMPOUND LEAVES. 



35 



Binate, Fig. 61, (binatum,) two leaved, when 

 the common petiole bears two leaves on its 

 summit. Ex. Dwarf dog- wood, (Cornus su- 

 esica.) 



Ternate, Fig. 62, (three leaved,) when 

 the petiole bears three leaves. Ex. Clover, 

 (Trefoil) 



Biternate, Fig. 63, (twice three leaved,) 

 when the common petiole divides into 

 three parts, each of which bears three leaf- 

 lets. Ex. Fumitory, (Fumaria lutea.) 



Triternate, Fig. 64, (three times 

 three leaved,) when the first stalk 

 divides into three parts, and each 

 of these three parts are again sub- 

 divided into other three parts, each 

 of which bears three leaflets. Ex. 

 Low Anemone, (Anemone nemo- 

 rosa,) Wind flower, (Anemone Vir- 

 ginica.) 



Fig. 65. 



Pedate, Fig. 65, (Foot- shaped,) that is, 

 like a bird's foot ; when the leaf is ternate, 

 with the lateral leaflets divided again. 

 Ex. Passion flower, (Passiflora pedata.) It 

 is similar in form to the palmate leaf, but 

 is more deeply divided. 



When a petiole has a number of leaflets on its sides, stand- 

 ing opposite, or alternate, it is called winged, or pinnate, from 

 the Latin pinna, a pinion or wing. Ex. Rose, Ash. 



What is the form of a binate leaf? Of a ternate leaf? Of a biternate 

 leaf ? Of a triternate leaf ? Of a pedate leaf ? 



