198 



KOSACE^E. 



POTERIUM SANGUISORBA (Salad Burnet). 



14. POTEKIUM (Salad Burnet). 



1. P. Sanguisorba (Common Salad Burnet). Calyx 

 of fruit nearly smooth. Common in dry pastures, 

 especially on chalk and limestone. Not unlike the last 

 in habit, but much smaller. The leaves are pinnate, 

 and have the taste and smell of cucumber. The upper 

 flowers in each head bear crimson, tufted pistils, the 

 lower ones 30 40 stamens, with very long drooping 

 filaments. "Fl. July, August. Perennial. 



2. P. Muricatum (Prickly Salad Burnet \ Calyx 

 of fruit wrinkled and prickly. Chalk pastures. Closely 

 resembling the last. 



