744 PROCEEDINiiS OF THE NATIONAL MUSEUM. vol. xxvii. 



is difficult to , say. The uaiiic I'oJijjKHJiniii. aroniatlcain is founded upon 

 eJaniaicau .specimens and is not intended as a sul)stitute for ]\jiniiu)n, 

 Kiotzseh. If the plants described by Klotzsch under the latter name 

 shall prove distinct from 1\ aromaticum^ they nmst necessarily receive 

 a new name. 



Polypodiwii arouiaticnm may ))e distinguished easily from 1\ rigens 

 by its broader laminiv, l)y its fewer pinnse (these linear and acute- 

 pointed), l)}^ the al>sence of bristly hairs among the sporangia, and in 

 recent specimens at least by the remarkable spic}^ odor of the fronds. 

 The type specimen l)cars about 20 fronds. According to Jenman the 

 species is "^ infrecjuent on the branches of trees above reach from the 

 ground at 6,000-7,000 feet altitude in forests." 



