SoMK Common ADLTLi'ErivNrs found in Agricultural Seeds. 27 



f 



Kr(i. 1. Fi(i. 2. 



KlG. 



Fk;. 4. 



iS^ 



It-' 



Fi<i. fi. 



Fi<;. 7 Fi(i. S. Fi(i. '.». 



Fio. !0. Fk;. 11. 



Fig. ]•>. 



Via. i:5. 



Fig. 1. — Dodder Seed (Natural Size). 



Fig. 2. — Dodder Seed (Enlarged). 



Fig. 3.— Malta Thistle Seed (Natural Size). 



Flu. 4.— Malta Tliistle (Enlarged). 



Fig. .0. — Spear Thistle Seed (Natural Size). 



Fig. 6. — Spear Thistle Seed (Enlarged), with Pappus removed. 



Fig. 7. — Russian Tumble Seed (Natural Size). 



Fig. 8. — Russian Tumble Seed (Enlarged). 



Fig. 9. — Russian Tumljle Seed (Enlarged), inside of Seed. 



Fig. 10. — Mexican Poppy Seed (Natural Size). 



Fig. 11.— Mexican Poppy Seed (Enlarged). 



Fig. 12.— Milk Thistle ^-eed (Natural Size). 



Fig. 13. — Milii Thistle Seed (Enlarged), with Papi)us removed. 



Plafp 1. 



K. A. Lansdell, 



Dirisiun nf Hutdiiij. 



