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Smut of oats or wheat. 
Black stem rust of wheat. 
Liverworts: Conocephalum and Lunularia. 
Moss plants: protonema * felt,” and capsules. 
Ferns: 
Prothalha: for these a covered Petri dish or tin box should 
be sent. 
Ifronds with spores. 
Selaginella with sporophylls. 
elodea—to show movement of protoplasm. 
Corn or sorghum stems, dried. 
Twigs to show opposite or alternate arrangement of buds. 
Simple and compound Icaves. 
Various seeds and fruits to illustrate methods of dispersal. 
Material for the study of genetics: 
Pods of Jimson weed showing inheritance of both smooth 
and spiny pods. 
Sorghum seeds for demonstrating inheritance of red seed- 
ling color. 
Pea seeds to show Mendelian seed and seedling characters. 
Sensitive plants (Mimosa pudica). 
Protozoa: Paramoecium, Euglena, and others. 
Fruit flies (Drosophila), wild type and mutants, transferred 
to bottles of culture medium supplied by applicant. 

Specimens Loaned for Exhibit 
leguminous roots with tubercles, 
Riker mounts of powdery mildew, rusts and smuts, maple tar 
spot. 
Riker mounts of peas showing inheritance of seed characters. 
peas 
Oats showing inheritance of hull color. 
Corn showing inheritance of endosperm colors. 
hybrid. 
Sorghum varieties and the F, 
Types of cereals: wheat, oats, barley, rye, rice, corn. 
Eight tvpes of wheat. 
ight tvpes of barley. 
Riker mounts of tvpes of modified leaves. 
Geranium, Coleus, Tradescantia—variegated green and white. 

for photosynthesis experiment, 
