FLOWER GROWERS ; PHONE: BErkeley 2696 
CG. & A. Warren 
2200 Fifth Street, Corner Fifth and Allston Way 
BERKELEY 2, CALIFORNIA 
Following the keen interest evinced in our personal in- 
struction clesses on Orchid Culture and to ful fill the demand 
advarced by numerous interested persons unable to attend be- 
cause of distance, we are instituting a correspondence course 
in this subject. The entire series of ten lessons will be 
conducted by Cyril Warrer, who has had forty years experience 
in thé collection, prowing and merchandising of orchid plants 
and their flowers. The subjects will be: 
l. Securing Orchid plants. Practical and initial care. 
ee Weterine and humidity control. 
a Shading various tyves of Orchid plants. 
4. Potting instructions for different species. 
5. Veretative propagation - increasing plants vy cuttings. 
. 6. Insect pests and their eradication. 
7. Treatment of different tyves of Orchids during 
flowering. 
&. Hybridigation of Orchid flowers for seed. 
Con GOmatruotLon of. budidines for Orchid tulture. 
10. Heating of structures. 
The first lesson will be mailed immediately upon receint 
of enrollment fee and each lesson thereafter will be mailed to 
the student at two week intervals, subject to him having 
answered the five questions which are at the erd of each lesson, 
in a manner satisfactory to the instructor. In addition, each 
student will be entitled to ask the instructor five questions 
concernine his own Orchid problems. 
This course will enable both the amateur with ro experi- 
ence and the man with some knowledge of orchids to fulfill his 
desire to rrow these floral aristocrats around which has been 
drawn a veil of mystery. 
Yours very truly, 
Oe & A. WARREN 
CWsW Cyril Warren 
