186 Proceedings of Uidiaua Academy of Science. 



the plants will dry In a shorter time. As the plants become dry con- 

 siderable shrinkage occurs and it is desirable to tighten the straps once or 

 twice. 



Where large quantities of plants are being dried at one time the appa- 

 ratus described may not prove as satisfactory as some other methods in use, 

 though a battery of four or five such presses will be found to be ample for 

 ordinary class work. For the laboratory which has only occasional use 

 for a plant press or for the individual collector it will, we believe, be 

 found quite satisfactory. 



