OF SOUTH AUSTRALIA. 
219 
C. — Frond pinnately decompound, younger segments 
linear or oblong, flat, armed with a dentate, 
serrated or fimbriated margin, the lower por- 
tion of the frond with a thickened costal 
region forming a more or less apparent 
thickened midrib. 
1. Very short stipe passing into the 
cuneate base of a broadly linear, 
dichotomo-multifid frond. Margin 
everywhere fringed with minute multi- 
fid processes N. erosum 
Harvey. 
(. Myriogramme erosa (Harv.) Kylin). 
2. Frond with an elongated stipe 2 mm. to 
4 mm. wide, decompound caulescent, 
the upper segments flabelliform- 
fastigiate, crenulate at the margin with 
minute, rather acute teeth N. prist oideum 
Harv. 
(. Myriogramme prist oidea (Harv.) Kylin). 
Fig. 83 . — Nitophyllum crispum. 
