02 NOMENCLATURE OF THE LEAF. 



f. Three-edged thick and triangular, as in common-flowering 

 rush and golden-flowered fig-marygold. (F. 121.) 



g. Tongue-shaped or Ungulate a thick oblong blunt figure, and 

 a little convex on its inferior surface, as in the common-tongue fig- 

 marygold. 



h. Gibbous swelling on one side or both, from excessive abun- 

 dance of pulp, as in cushion aloe. 



i. Scimitar-shaped or acinaciform compressed with one thick 

 and straight edge, the other thin and curved, as in scimitar-leaved 

 fig-marygold. (F. 118.) 



j. Hatchet-shaped or dolabriform compressed, with a very pro- 

 minent dilated keel and a cylindrical base, as in hatchet-leaved fig- 

 marygold. (F. 124.) 



k. Compressed flattened laterally, as in flat-leaved cacalia. 



1. Flat as most leaves are, cherry, apple, &c. 



m. Two-edged or ancipital both the edges in a transverse section, 

 produced to a very acute angle, as in broad-leaved cat 's-tail. (F.114 ) 



n. Spherical when it approaches near the globular form. 



o Ovoid when it somewhat resembles an egg. 



p. Coccoon-sbaped when it is cylindrical in the middle, and 

 tapers to a point at each end. (F. 115.) 



q. Club-shapedwhen it is round and stem-like, with a thick 

 blunt apex. 



r. Hooked or uncinate when it is curved, so as to resemble the 

 figure of a hook. 



s. Lenticular when it is flat, roundish, and convex on both 

 surfaces, and a transverse section of the leaf has the appearance 

 represented by F. 146. 



16. Apex: The apex of a leaf may either be acnte, 

 sharpish, spine-pointed, awned, cirrose, obtuse, pointed- 

 obtuse, thickened, retuse, emarginate, truncated, jagged 

 or tridentate. 



a. Acnte when the conjunction of the two lines of the edges 

 forms an acute angle, as in many plants, amongst which, narrow- 

 leaved flax and throat-wort, may be collected as examples. (F. 119.) 



b. Sharpish when there is a slighter degree of termination than 

 in the acute. (F.186.) 



c. Acuminate when it is long and very tapering, as in common 

 reed-grass and common lilac. (F. 120.) 



