A rare and little-known plant, of which I obtained very few 

 specimens, among rejectamenta, near the lighthouse, Rottnest 

 Island. It diflfers from K. canalicidata, which is common in most 

 parts of the Western Austrahan coast, by its much narrower, 

 and perfectly flat (not channelled fronds), by its laxer and more 

 slender growth, and minor less appreciable characters. No fruit 

 has yet been seen, but its generic affinity to K. canaliculata can 

 scarcely be doubted. The genus Kiietzingia is obviously nearly 

 allied to Bi/tipJdcea, but differs in structure, and slightly in habit. 



Fig. ]. KuETZiNGiA ANGUSTA, — the natvml size. 3. Apex of a pinna. 3. 

 Portion of the surface. 4. Transverse section of the frond. 5. Longitu- 

 dinal section : — magrufied. 



