PART OF MOVEMENT OF LIQUIDS IN PLANTS. 69 



from the conservatory; old dead corn-stalks. Shoots of the garden balsam 

 (impatiens) are good. 



A solution of fuchsin (add a few crystals to water), or use red ink. - 



For study of the vascular bundles, sections may be made of the stems or 

 petioles of the same plants, or of fresh corn stalks, of the stem of the sun- 

 flower, or castor-oil bean. The teacher can make these sections either free 

 hand, or with a microtome; or if preferred, permanent slides to illustrate 

 the structure of the vascular bundles may be obtained. 



If the pupils are to make their own sections for study, sharp razors will 

 also be required. 



Microscope, etc., for demonstration 21. 



