50 



GENUS ARTEMISIA. 



I s. g/asAana j 



{/. abrofanum j j 2.pon/-ica j 



Lvs.3-6cm.long, LvS. i-3 cm. long, 

 lobes siender.as- lobes short, 

 cending; petiole spreading; petiole, 

 naked \, auricled at base 



Principal lvs.2or3 principal Ivs.mostly 

 times pmnatifid. ..pinnatifld. Native 

 Introduced species 



Shrubs; achenes broad 



and truncate at summit, 



sharply angled', ray- f Is. 5-20. 



Lvs. dissected, mostly into filiform lobes 



Herbs; achenes 

 narrowed above 

 to a small epigyn- 

 ous disk, not ang- 

 led; ray-fls. 4-15 

 (or more) 



Stirubj achenes narrowed 

 above, not angled; reduc- 

 tion in ray-fls. to 3,2, on; 

 Iv3. 3-dentate. Connecting 

 with section Ser/phidium, 



Fio. 4. — Phylogenetic chart of the species of AHemiaia Bection Abrolan 



