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Smut of oats or wheat. 
Black stem rust of wheat. 
Liverworts: Conocephalum and Lunularia, 
Moss plants: protonema, “ felt,” and capsules. 
Hers: 
Prothallia: for these a covered Petri dish or tin box should 
be sent. 
fronds with spores. 
Selaginella with sporophylls. 
Elodea 
to show movement of protoplasm. 
~ 
Corn or sorghum stems, dried. 
Twigs to show opposite and alternate arrangement of buds. 
Simple and compound leaves. 
Various seeds and fruits to illustrate methods of dispersal. 
Material for the study of genetics: 
Pods of Jimson weed showing inheritance of smooth anc 
spiny pods. 
Sorghum seeds for demonstrating inheritance of red seed- 
ling color, 
Pea seeds to show Mendelian seed and seedling characters. 
Sensitive plants (Wimosa pudica). 
Protozoa: Paramoecium, [uglena, and others. 
Fruit flies (Drosophila), wild type and mutants, transferred 
to bottles of culture medium supplied by applicant. 
Specimens Loaned for Exhibit. 
Ll 
Leguminous roots with tubercles. 
Riker mounts of powdery muldew, rusts and smuts, maple 
tar spot. 
Riker mounts of peas showing inheritance of seed char- 
acters. 
Oats showing inheritance of hull color. 
Corn showing inheritance of endosperm colors. 
Sorghum varieties and the I*, hybrid. 
Types of cereals: wheat, oats, barley, rye, rice, corn. 
Eight types of wheat. 
Eight types of barley. 
Riker mounts of types of modified leaves. 
