WEED8 OF South Africa. 



kH 



Retuse, when the apex of the leaf is notched. (See fig. 36.) 



Auriculate, when the leaf has a pair of small hlnnt projec- 

 tions at the base, e.g. Have's Enr Mustard (Connr/ia 

 orirnfnJr). (See fig. oT.) 



/Instate, similar to anricnlate, but the lobes pointing outwards, 

 e.g. Shee])'s Sorrel (Rinne.r acetosehi). (See fig. oS.) 



Sagittate, prolonged at the base into two acute straight lobes, 

 e.g. Wild Lettnce {Lactuea eapensis). (See fig. 39.) 



Ample.ricaul, when the leaf-base j^artially clasps the stem. (See 

 fig. 40.) 



r^ic. 4*;. — Pinnatisect. 



Fi(i. 47.— Lvrate. 



The Leaf Margin. 



Entire leaf, is one without any incisions on the margin, e.g. the 

 Kliaki AVeed (Altervantliera acJiyrantJia). (See fig. 41.) 



Dentate, when the margin is sharply ioothed, and with ihe teeth 

 at right angles to the blade. (See fig. 42.) 



Serrate, when the margin is sharply toothed, l)ut the teeth 

 projects upwards. (See fig. 43.) 



Crei\ate, when the margin has ronnded teeth. (See fig. 44.) 



Repaml, Mdien the margin of the leaf forms a wavy line. (See 

 fig. 45.) 



Fianatisect, when the leaf is cut almost, but not quite to the 

 mid-lib. (See fig. 46.) 



Lyrate leaf is cnt into lobes, bnt with the terminal lobe, large 

 :)nd founded. (vSee fig. 47.) 



