242 



Mosses: Protoncma, belt, belt with capsules. 



Ferns: Prothallia, Fronds with spores. 



Plant material for photosynthesis experiments: Green geranium, 

 Silver geranium, Coleus, Tradescantia. 



Other plant material: With fleshy leaves — Bryophyllum, Sedum ; 

 Water Plants — Elodea, Duckweed; Sensitive Plant — Mimosa 

 pudica. 



Leaves: Sedum, Sansevieria, Cherry, Apple, Basswood (in season). 



Stems: Twigs to show buds and leat sears; preserved Corn steins. 



Seeds: For study ol root hairs and germination — Castor bean. 

 Garden bean, Lupine, Teas, Oats, Corn, Sorghum, Wheat. 



Stem cuttings: Tradescantia, Begonia, Coleus, Geranium, English 

 ivy, Willow. 



Genetics material: Sorghum seeds for growing P., seedlings show- 

 ing red and green seedling stem characteristics with 3: 1 ratios. 

 Sorghum seeds giving normal and albino 3: 1 ratios. Pea seeds 

 of tall and dwarf strains. Seedlings of any of the above. 



I j vi xo Material — A.\i mai.s 



Protozoa: Cultures of Paramecin, Euglena. 



Drosophila: Wild type, white, sepia, vestigial, for genetics studies. 



Sterilized Agar 



Petri dishes, test tubes, or flasks, sent in clean and dry, one 

 week in advance, will be filled with sterile nutrient agar, or with 

 potato dextrose agar for the study of bacteria and molds. 



Specimens and Motxts for Exhibit 



Angiospenns : Fruits of trees, flowering plants, weeds, lotus pods, 



etc. Seed dispersal — Riker mount. 

 Economic plants: Bundles of barley, oats, rice, rye, sorghum, 



wheat. Test tubes of grain threshed. Types of grains- Riker 



mount. 

 Illustrating the principles of genetics: 



Pea seeds illustrating a dihybrid ratio (wrinkled, smooth, yel- 

 low, green) — Piker mounts or vials. 



