Bull. 30, Biological Survey, U. S. Dept of Agriculture. PLATE II 
Fig. 8. Fig. 9. 
SEEDS OF COMMON WEEDS EATEN BY THE LINNET. 
Fig. 1—Napa thistle ( Centaurea melitensis). Fig. 2.—Black mustard (Brassica nigra). 
Fig. 3.—Alfilaria (Erodium cicutarinm). Fig. 4.—Knotweed ( Polygonum aviculare), 
Fig. 5.—Tarweed (Madia sativa), Fig. 6.—Burweed (Amsinckia tesselata). Pig. 7.— 
Turkey mullen (Eremocarpus sctigerus). Fig. 8.—Milk thistle (Mariana mariniana). 
Fig. 9.—Poison oak ( Rhus diversiluba). 
