18 INTRODUCTION 
tor or stove or else in the warm sunshine. The 
specimens may be mounted upon the sheets of 
paper either directly by means of glue or held in 
place by bits of gummed paper. Before mount- 
VAN DYKE SOLAR PRINT OF WOOD ANEMONE 
ing the specimen lay it upon the sheet and see 
just where you can place it to best advantage and 
then print carefully its name beside it. 
Most of those who use this book have proba- 
bly had some instruction upon the structure of 
flowers and know the names of the parts of the 
