LEAVES. 25 



shaped l , as in cuckoo-pint ; heart-shaped 2 , as in bur- 

 dock ; arrow-shaped 3 , as in sorrel ; kidney-shaped 4 , as 

 in ground ivy ; triangular 5 , as in mercury ; three- 

 lobed 6 , as in hepatica ; four-cornered 7 , as in the tulip 

 tree ; fiddle- shaped 8 , as in fiddle dock ; trowel-shaped 9 , 

 as in black poplar ; or diamond-shaped 10 , as in water 

 caltrops. 



Simple Leaves. The reference figures correspond with those in 

 the text of the preceding paragraph. 



Again, when more of the rib-branches besides the 



(1) In Latin, Hastatun* 

 (3) In Latin, Sagittatum. 

 (5) In Latin, Triangulate. 

 (7) In Latin, Quadr angular e. 

 (9) In Latin, Ddtoideum. 



(2) In Latin, Cordatum. 

 (4) In Latin, Reniforme. 

 (6) In Latin, Trilobatum. 

 (8) In Latin, Pandurceforme. 

 (10) In Latin, Rhomboideum- 



