BO TA NIC A L TEUM^. 



LiNEAU : narrow compared with the length (Fig, 44). 

 Oblong : not more than three times as lonfj; as liroail, and 



with sides inclined to be straight (Fig. 4;")). 

 Oval, or Elliptical : not more than twice as lomr iis broad 



(Fig. 46). 

 Orbicular : round, or nearly so (Fig. 47). 



2. Of leaves hroadest below the middle. 



Subulate : awl-shaped (Fig. 48). 

 Lanceolate : as in Fig. 49. 

 Ovate : as in Fig. 50. 



Deltoid: about as broad as long, and rather triangular 

 (Fig. 51). 



3. Of leaves broadest above the middle. 



Oblanceolate : the reverse of lanceolate (Fig. 52). 



Spathulate : like the last, but more rounded at the top 

 (Fig. 53). 



Obovate : the reverse of ovate (Fig. 54). 



Wedge-Shaped, or Cuneate : like the last, but with the end 

 more flattened and the margins nearlj' straight (Fig. 55). 

 In describing outlines, it will often be necessary to 

 combine terms, as for example : linear-Moncj^ linear- 

 lanceolate, oblong-ovate, etc., as the case may require. 



Margin. 



Entire : not indented in any way (^Fig. 5G), 



Serrate : with sharp teeth pointing forward like the teeth of 

 a saw (Fig. 57). 



Serrulate : very finely serrate (Fig. 58). 



Dentate : witli teeth pointing outward (Fig. 59). 



Crenate : with teeth rounded at the point (Fig. 60). 



A margin may also be doubly-serrate (Fig. 61), doubly- 

 dentate, or douhl y-crenate (Fig. 62), when the larger 

 teeth are themselves serrate, or dentate, or crenate. 



Sinuate : deeply wavy (Fig. 63). 



CiLiATE : with a fringe of hairs. 



Revolute : with the edge turned back. 



Repand : like the edge of an expanded umbre'Ia (Fig. 64^. 



PiNNATiFiD : when the edge of a pmnately-veincd leaf is very 

 deeply lobed (Fig. 65). 



Bi-PiNXATiFiD : when the tirst lobes are themselves pinnatifid 

 (Fig. 66). 



Figs. 62, 



Fips. 64. 50. 57. 58. 59. 



Fip. 65. 



^ 



I 



Fips, 60. 



61. 



62. 



63. 



Flp. 66. 



