ESTABLISHMENT OF A NATIONAL BOTANIC GARDEN. 121 



LECTURES FOR CHILDREN. 



Stories about useful plants. — Illustrated. For children of members 

 of the Brooklyn Institute of Arts and Sciences. Admission only by 

 ticket, which may be had on application to Miss Shaw. 



April 18. Rope and how it is made. (Manila and sisal fibers.) 



April 25. The story of bread. (Wheat.) 



May 2. Beverage plants. (Cocoa and chocolate.) 



May 9. A plant serving a useful purpose. (Rubber.) 



May 16. The food of half a billion people. (Rice.) 



Talks on gardens. (Illustrated.) Open to all children without 

 charge. Tickets may be had on application to Miss Shaw. 



April 20. How to make a garden. 



April 27. The seed: how plants start. (Illustrated by experiments 

 and pictures.) 



May 4. Birds and their relations to gardens. 



May 11. The garden's friends and foes. 



May 18. The wild flowers now in bloom. 



It is necessary to limit the number of tickets for these talks to 

 children. This is due to the small size of the present lecture room. 



These talks will be repeated for school classes if so desired, either 

 at the garden or at the school. Another series of talks will be given 

 during the fall and early winter. Further particulars will be an- 

 nounced later. 



LECTURES FOR ADULTS. 



Spring course. — Lectures on civic botany : Dangers to plants from 

 the city's smoke and gas : conservation of forests ; foreign fruits of 

 our city markets: economic importance of plant breeding. 



44. Botanic Garden or the University or Pennsylvania, Phila- 

 delphia. 



[Extract from an article by Prof. N. L. Britton in Science, Volume IV, No. 88, 1896.] 



The University of Pennsylvania has recently established a garden 

 of about 3 acres in the immediate vicinity of its building in Phila- 

 delphia, and has many species under cultivation. The extensive and 

 well-appointed laboratories of its school of botany, good library 

 facilities, and a small herbarium afford capital opportunity for 

 research, especially in physiology and morphology. 



45. The Arnold Arboretum of Harvard University, Jamaica 



Plains, Mass. 



[Extracts from A Guide to the Arnold Arboretum, by Charles Sargent, 1917, and from 

 notes from Dr. W. T. Swingle.] 



220 acres in area ; established in 1872. 



The Arnold Arboretum was started in 1872 as a tree museum for 

 Harvard University. Its original size was 120 acres, but this has 

 been increased to 220 acres of hill and valley. 



This arboretum is doubtless the most noteworthy arboretum in the 

 world, not only because of the size and character of its collections, 

 but because of the fact that a splendid botanical library is located in 



