FERN GROWING 



95 



A I undulatuin sown separately. 

 A 2 vniricatuni id. 



Fig. 32, — Angela. 



A3 spirale sown separately. 

 i\4 keratoides id. 



Fig. 31. — Kraspcdoiniicno 

 All reduced. 



Fig. 33.— //>'!//•(!. 



