Pinna of mature Fi'ond-under side. 



GLEICHENIA RUPESTRIS. 

 Brown. Hooker. Moore. 



PLATE LIII. VOL. VIII. 



Gleichenia — Named in honour of Baron P. F. Yon Gleiclien, a German 

 botanist. Rupestris — Rock. 



An exceedingly rare and very handsome species, being 

 glaucous on the under side of the branches. 



A warm greenhouse Fern. 



Native of New South Wales and Port Jackson. 



Fronds glabrous, forked or dichotomous, the branches pinnate; 

 the pinnse wide, being pinnatifid, and having rounded coriaceous 

 segments, with thickened recurved margins. 



Colour pale green above, glaucous beneath. 



Veins branched, immersed, but plainly visible. 



Stems somewhat plum-coloured. 



Sori terminal, situated at the apex of a veinlet, composed of 

 three or four exserted capsules or spore-cases, punctiform, and 

 naked. 



Gleichenia rupestris attains a height of from four to six 

 feet. 



For fronds my thanks are due to Mr. R. Sim, of Foot's 

 Cray. 



It seems only to be in Mr. Sim's Catalogue. 



The illustration is from fronds sent by Mr. R. Sim. 



