54 



IV. Development of plantlet. 



1. Bursting of seed-coats. 



2. Plumule into stem. 



3. Eadicle into root. 



4. Cotyledons that are leaf-like. 



5. Cotyledons not leaf -like. 



6. Those that grow above ground. 



7. Those that do not grow above ground. 



NOTE.— Record accurately the date of planting, first appear- 

 ance of plant, first leaves, second leaves, etc. Press and mount 

 plants showing development during two or three days. 



