COMPOUND FLOWERS. 



331 



HELMINTHS ECHiofDES (Bristly Ox-tongue). 



2. HELMINTHIA (Ox-tongue). 



1. H. echioides (Bristly Ox-tongue). Waste places, 

 not uncommon. A stout and much branched herb, 2 3 

 feet high, well distinguished by its numerous prickles, 

 each of which springs from a raised white spot, and by 

 the large heart-shaped bracts at the base of the yellow 

 flowers. Fl. June, July. Perennial. 



3. PICRIS. 



1. P. hieracioides (Hawk- weed Picris). Waste places, 

 common. A rather slender plant, 2 3 feet high, 

 branched principally above ; the stems are rough with 

 hooked bristles ; the leaves narrow, rough and toothed, 

 sessile ; the flowers numerous, yellow, with several scales 

 on the stalks. Fl. July September. Biennial. 



