231 



Study and Loan Material for Colleges, High Schools, and 



Junior High Schools 



Available at the l^.vooklyu Botanic Garden, 1939-1940 



The Botanic (jai-den is al)le to .snp])ly various plants and ])laiit 

 parts for stud}-; certain ])rotoz()a; sterilized nutrient agar; and also 

 material and mounts for exhibit purposes. When containers are 

 necessary, as in the case of agar, algae, and protozoa, they must 

 be furnished by the scbooL 



In tlie past, tbe (harden has offered this service gratis, but both 

 on account of the increasing demand and because of the decrease 

 in appropriations, it has become necessary to make a small charge 

 for the material supplied or loaned. A Price List of the various 

 materials furnished will be mailed on request. 



Requests should be made by mail or telephone (PRospect 

 9-6173). at least one day in ach-ance, to Dr. Elizabetli Marcy, and 

 tbe material should l)e called for at Room 204. All exhibit ma- 

 terial, and otlier items starred (*) will be mailed if the school pays 

 ])()stage. 



T.ni Nc i\r A'n':Ki.\L — plants 



Alga-e: 1. S])irog_\-ra, *Plenroc()ccus. \^auclieria, Desmids, Oscil- 

 latoria. 2. *Spirogyra conjugating — preserved material. 



Bacteria: 3. *Slant cultures of B. coli, B. subfilis, Pscudonionas 

 radicicola, Sarclna ffava. 



I'uiKji: I'lus and minus strains of bread mold (Rhicopus nigri- 

 cans). 4. *.S])()res for inoculation. 5. Cultures of each strain. 

 6. Petri disli inoculated with l){jth strains showing lines of zvgo- 

 s])ores. 



Liverworts: 



Thallus only — 7. Mai'cbantia. 8. Conocephalum. 



Thallus with gemmae cu])s — 9. iVlarcbantia. 10. Lunulai"ia. 



Musses: 11. Protonema. 12. Felt. 13. Felt with ca])sules. 



Perns: 14. I'rotballia. 15. Fern fronds with s])()res — various s])e- 

 cies. 



