230 
Leaves: Sedum, Sansevieria, Coffee, Lilac, and others. 
Stems: Twigs to show buds, leaf scars, ete.; Corn stems. 
Seeds: For study of root hairs and germination—Castor bean, 
Garden bean, Lupine, Peas, Oats, Corn, Sorghum, Wheat. 
Material illustrating methods of Plant Propagation: 
Stem cuttings: (rooted or unrooted) Tradescantia, Begonia, 
Coleus, Geranium, English ivy, Willow; Leaf cuttings: 
(rooted or unrooted) Bryophyllum, Sansevieria, Kalanchoe ; 
Riuamers: Strawberry, Saxifrage; Offsets: Sempervivum; 
Grafts: Geranium; Corms: Gladiolus. 
Material for the study of Genetics: 
Sorghum seeds for growing F, seedlings showing Mendelian 
ratios: Red and green seedling color (3:1); Normal and al- 
bino seedlings (3:1); Dihybrid ratio—red, green, normal, 
albino. 
Pea seeds of tall and dwarf strains. 
Seedlings of any of the above. 
Drosophila—-wild type, white, sepia, vestigial. 
LIVING MATERIAL—ANIMALS 
Protozoa: Cultures of Amoeba, Blepharisma, Paramecia, [uglena. 
Drosophila: Wild type, white, sepia, vestigial. 
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 MOUNTS FOR EXHIBIT 
Mosses: Mounts covered with cellophane. 
Life history of a moss plant—Polvirichiim commune. 
Fungi and plant diseases: Bracket fungi. 
Leaves showing leaf spot diseases (rusts, mildews, and others). 
Smut of oats, or wheat, or ergot of rye displayed in test tubes. 
Angiosperms: 
Riker mounts—lLeaf modifications, Seed dispersal. lruits of 
trees, flowering plants, weeds, lotus pods, ete. 
