320 



Journal of the Department of Agriculture. 



, FLOWER HE A J 



Fig. 8.— The Devil's Claw (Marfynia 

 fraf/ram'), showing a pubescent 

 stem. 



Fig. 9. — "Sow Thistle" (Sonchi/s 

 oleracevfi), showing a 

 striate stem. 



Fig. 10. — The Cocklebur {Xanthlum 

 Occident aU'), showing rough 

 stem. 



Fig. 11.— The Corsican Thistle 

 ( 'ardu'us pycnoceiihalns), 

 showing portion of the 

 winged stem. 



