547 



ii sohlHinlis (St. Baniabv's thistle ; yellow star thistle). 

 Indigenous to Europe, Northern Africa, and South-Western Asia. 



Centaurca sohtilialis (" Yellow star thistle.") 



In general character of growth this plant resembles C. calcitrapa ; but 

 its-flowers are yellow, surrounded by reddish spines. In the latter 

 characteristic it resembles C. inclitensis. 



