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Flatters Sif' Garnet t 



I. Cluster Cups 



The spring stage of Rust of Wheat. Little orange cup-shaped growths on the under side of a 

 Barberry leaf. They germinate on Wheat to form the summer stage of " Rust. ' 



2. Rust of Wheat 



These little stalked spires are the winter stage of a serious disease of Wheat. 

 In the spring they germinate on Barberry. 



3. Pollen Grains on a Grass Flower 



,"he feathery stigmas of grass flowers are beautifully adapted for catching and holding pollen grains. 



4. The Lower Side of a Fern Frond 



One of the brown outgrowths on the under side of a fern frond. The stalked spare cases are setn, 

 protected by an umbrella shaped covering, 



