( 120 ) 
—when more deeply parted and pinnatifid, the 
lobes not linear; flowers yellow.—2. Com- 
mon. Summer. 
5. 'T. HETEROPHYLLUM Greene. Beak of the 
akene but little longer than body; flowers yel- 
low.—©. Common. Spring. 
72. Taraxacum Haller. DANDELION. 
Involucre imbyricate. Akenes contracted 
into a long beak; pappus o-seriate; bristles 
white, capillary nearly persistent.— 2. Flow- 
ers yellow. 
1. T. oFFICINALE Weber: Ballast weed in- 
troduced from Europe; rare. Summer. Offici- 
nal under the old Linnean name. Leontodon 
Taraxacum. 
73. Sonchus L. Sow-ruistiz. 
Involucre o-seriate, imbricate. Akenes 
compressed, truncate. Pappus o-seriate, ca- 
pillary. Hairs in fascicles, soft. Flowers yel- 
low. 
1. S. oneraceus L. Auricles of the cau- 
line leaves acute.—@©. Common. All the 
year round. Ballast weed from Europe. 
2. §. asper Vill. Auricles of the clasping 
cauline leaves rounded.—@. Ballast weed 
from Europe. 
