STEM APPENDAGES. 105 



in distinguishing species and varieties. It will be seen, 

 by comparing the different figures of grape leaves, that 

 the notches differ not only in shape, but in depth. 

 These divisions upon the margin, when small, and shaped 



FIG. 31. THE NEBRASKA. 



like those in the leaf of the Oporto, are called teech, 

 such leaves are said to be dentated, or toothed ; here the 

 leaf is finely dentate, while in the Scuppernong (Fig. 32) 

 they are coarsely dentate, and in the Yeddo (Fig. 33) 

 crenate, or scolloped- toothed. 



