131 AN INTRODUCTION 



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Emarginate, nicked; when they terminate in a 

 notch. 



Obtuse, blunt; when they terminate as it were 

 within a segment of a circle. 



Acute, sharp ; when they terminate in an acute 

 angle. 



Acuminate, pointed ; when they terminate in a 

 subulate apex. 



Cirrhose, claspered ; when they terminate in a clas 

 per or tendril; as in Gloriosa, Flagellaria and Nissolia. 



The MARGIN of a leaf is the outermost boundary 

 of its sides, exclusive of its disk. Leaves in respect 

 to their margin, are, 



Spinose, thorny or prickly ; when the margin of 

 the leaf runs into points that are hard, stiff and 

 pungent. 



Inerm, unarmed or smooth ; which is opposed to 

 spinose. 



Dentate, smoothed or indented ; when the margin 

 ends in horizontal points, that are of the consistence 

 of the leaf, and are separated by intermediate spaces. 



Serrate, sawed ; when the margin is cut into sharp 

 imbricate angles, that point toward the extremity of 

 the leaf : If they point toward the base, the leaf is 

 said to be retrorsum serrate, sawed backwards. 



Duplicato-serrate, doubly sawed ; when there is a 

 twofold serrature, the less upon the greater. 



Crenate, notched ; when the margin is cut into 

 angles, that point toward neither of the extremities : 

 And these are obtusely crenate, when the angles are 

 pointed. 



Duplicato-crenate, doubly notched; when the 

 notches are twofold, the less upon the greater. 



Repand, bending back again ; when the margin is 

 - terminated with angles and interjacent sinusses, that 

 are both inscribed with the segments of circles*. 



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* A serpentine edge. 



