154 



ORGANOGRAPHY. 



the divisions are very close and narrow like the teeth of a comb 

 {fig. 301), \t\B pectinate, as in the Water Milfoil ; when the terminal 



Fig. 299. 



Fig. 300. 



Fig. 301. 



Fig. 299. Leaf of a species of 

 Valerian {Valeriana dioica). 



Fig. 300. Leaf of a 



specie's of Poppy (Papa- 



ver Argcmone). Fig. 301. 



Pectinate or comb-shaped 

 leaf. 



lobe of a pinnately- veined leaf is large and rounded, and the 

 lateral lobes which are also more or less rounded become gradu- 



Fig. 302. 



Fig. 303. 



Fig. 304. 



Fig. 302. Lyrate leaf of tlie 

 common Turnip (Bras- 



sica Bapa) Fig. 303. 



Runcinate leaf of Dan- 

 delion (Leontndon Ta- 

 raxacum). Fig. 304. 



Fiddle-shaped leaf of 

 Bumex pulcher. 



ally smaller towards the base, it is hjmte or lyre-shaped, as in 

 the common Turnip {fig. 302) ; when the terminal lobe is trian- 



