pinnate 
iy. 
the fertile fronds which i 
i, wedge-shaped, three- 
t-rrrr? rr ““e woes ramer distinct, and usually 
notched at the end. The veins in each pinnule are branched, 
so that one of the small veins proceeds towards each of the 
teeth into which the pinnule is divided; and the spore- 
cases are borne along these branches of the veins. The lines 
°t son on the pmnules often become united into amass, 
after they have been some time developed, 
though a minute species, this fern is widely scattered • 
o ^ ace the globe; it is plentiful in many parts of 
the South of Europe, and extends as far northwards as 
CHAPTER Va 
The Shield Perns a 
snail and ve ro '**«•** 
which rank a 
H.H £*« the Britmh kinds are concerned, is 
* by a Hfctle staIk in the centra 
^ fo r m of attachment is technical^ 
fiimr ? Practised eye they are also known by 
m^ ^W^£« te3:tnre ’, aiid b y their having altogether a 
b^ PPe ^ Ce than the spinulose species of 
^Our alpine species, P. Lmchiti, is stricter eve£ 
— «. *ney are much exposed, the 
rere frosts. In general, however, they 
i without much disfigurement from 
