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A37. Lilacs in Flower.—lour Tuesdays, 4:45 to 6 pan., May 
2,9, 16, and June 6, and one Thursday to be arranged. Five out- 
door lessons. The comprehensive collection of the Garden affords 
opportunity for the study of about twenty species and some two 
hundred of the finest varieties of lilacs. In the last lesson, culture 
and propagation are taken up; cuttings, which become the property 
of those taking the course, are prepared for rooting. Fee to ion- 
members, $2. Dr. Gundersen, Mr. Free, Miss Clarke. 
A44. Gardens within a Garden.—Seven Tuesdays, 4 p.m., 
April 11, 18, 25, May 2, 16, 23, and June 6. A series of trips in 
the Botanic Garden, designed especially for Members of the Gar- 
den and of the Institute, to enable them to become acquainted with 
the general plan of the Botanic Garden and the nature of the vari- 
ous special gardens, as well as to see the various floral displays 
when they are at their best. The schedule of individual trips will 
be announced later. No fee. Dr. Graves and others. 
FLOWER DAYS 
To afford an opportunity to members to see the various floral 
features of the Garden and the special outdoor collections when 
they are at their best, the following “Flower Days” have been 
observed, and will be held according to postcard announcements. 
Fach event will be in charge of a specialist on the particular flower 
concerned. 
Apple and Cherry Blossom Day. Dr. Reed, 
Lilac Day. Dr. Gundersen. 
Iris Day. Dr. Reed, 
Wild Flower Garden Day. Dr. Svenson. 
Annual Rose Garden Day. Mr. Free, Mr. Tilley. 
Tall Rose Garden Day. Mr. Free, Mr. Tilley. 
Herb Garden Day. Mr. Free. 
Chrysanthemum Day. Nit. Pree 
B. Courses for Teachers 
These courses have been accepted by the Board of Education of 
New York City for “in-service credit,” one credit being granted 
for each 15 hours (with the exception of “B8, Plant Culture’). 
