FERNS, AND THEIR ALLIES. 



2?, 



as these grow it remains upon the stem, between the 

 leaf stalks (Fig. 3). Old stems bear a great quantity 

 of this down. The native female physicians pick for 

 years at such a stem without exhausting the stock. 



The produce of another fern is called Pakoe kidafig, 

 of which a plantation exists on the sides of the 

 Goenong Gedeh, a volcano in the interior of Java, 



Fig. 4.— Lai-ger hau-s of Pakoe Kidanz (magnified about 30 diameters). (From 

 Pharmaceutical Journal.') 



between sixty and seventy miles from Batavia. The 

 brown hairy down of the stipes in this specie.s iBalan- 

 tium chrysotrichuni) is coarser than in the foreeroing, 

 and less silky (Fig. 4). To these must be added the 

 substance called//^//^, which is solely the produce of the 

 Sandwich Islands, derived from one or more species 

 of Cibotinm. It was introduced into Liverpool fifty 



