TAB. XXXIX. 



Asplenium (Euasplenidm) dichotomum, Hook. 



Parvum, caudice erecto subnullo radicante paleaceo, stipitibus 

 casspitosia subunciam longis gracilibus cornpressis pallide 

 viridibus setaceo-paleaceis, frondibus 3-4-uncialibus ob- 

 longis acutis membranaceis viridibu3 subtripinnatis, pinnis 

 primariis ^-f unciam longis subdimidiato-ovatis subap- 

 proximatis petiolatis dichotome divisis, pinnulis brevibus 

 augustis linearibus bis-terve dichotomis, segmentis fertili- 

 bus paulo latioribus, venis solitariis costiformibus, soris 

 magnis lineari-oblongis marginalibus dareoideis, rachibus 

 omnibus compresso-alatis. 



Asplenium dichotomum, Hook. Sp. Fit. 3. p. 210. 



Hab. Borneo, Hugh Low, Jun., Esq.; Lobouk Peak. elev. 

 5,000 feet, north-east side of Borneo, Thos. Lolb. 



This would be a true Darea (or Ceratopteris,) in the view 

 of those botanists who adopt that genus ; but I know none 

 with which it is likely to be confounded. It is a small and 

 extremely delicate species, the whole height scarcely exceed- 

 ing 4 inches. 



Fertile plant; nat. size. Fig. 1. Pinna with sori. /. 2. 

 Single sorus : magnified. 



I'iJI, 2. T. 30. 



