REPORT OF THE STATE BOTANIST 1902 149 



Taraxacum taraxacum (L.) Karst. 

 T. officinale Weber 

 Dandelion 

 Fields and waste places. Very common. April-December. 



Taraxacum erythrospermum Andrz. 

 Red-seeded dandelion 

 Fields and waste places. Common. Easily distinguished from 

 the last bv its brownish red seeds. 



Sonchus oleraceus L. 

 Annual sow thistle 

 Waste places, specially along railroads. Common. June- 

 October. 



Sonchus asper (L.) All. 



^piny sow thistle 

 With the last. Common. June-October. 



Lactuca virosa L. 

 Prickly lettuce 

 Waste places. Common. August-September. A very trouble- 

 some weed, which is fast spreading. 



Lactuca canadensis L. 

 Tall lettuce 

 Thickets and fence rows. Common. July-September. 



Lactuca villosa Jacq. 

 L. acuminata Gray 

 Blue lettuce 

 Thickets. Frequent. August. 



Lactuca spicata (Lam.) Hitch. 

 L. leu c o p h a e a Gray 

 Tall blue lettuce 

 Moist soil. Common. August- September. 



Hieracium aurantiacum L. 



Orange hawkweed. Paint brush 



Fields. It often forms dense patches. Common. June-Sep- 

 tember. 



