CYSTOPTEBIS DICKIEANA. 



93 



DICKIE'S FERN, {natural size). 



dtlaraftm. 



Genus. — Ctstopteris, (see page 87). 



Species. — Dickieana. Caudex elongated horizontally, but 

 very slowly, its elongation due solely to the successive develop- 

 ment and decay of fronds : stipes very much shorter than the 

 frond : frond erect, rigid, lanceolate, pinnate : pinnae deflexed, 

 broad, overlapping, crowded, subopposite, pinnatifid : clusters of 

 capsules submarginal, very distinct : involucre generally want- 

 ing ; seeds verrucate : colour bright somewhat glossy green. 



