430 Annals of the South African Museum. 



feature separating this species from P. taraxnci, Vahl, the only other 

 representative of the genus. The two may be readily separated by the 

 nature of the achenes, these being quite smooth and tapering in P. leio- 

 carpum, and densely puberulous and short in P. Tarazaci. 



SONCHUS, L. 

 1. S. oleraceus. Linn. Sp. PI. 1116. 



Damaraland : North of the Swakop River, 3369. 

 Distribution, — A cosmopolitan weed. 



*S» 



