104 BRITISH FERNS; - : 
touch. The fronds are pinnate; the pinnules are 
lobed and toothed, and the teeth terminate in a 
© short spine. The involucres have stalked glands on 
their edge, and a few occasionally, not constantly, on 
their disk. 
_: The Forest of Dean, in Gloucestershire, and Epping 
Forest, in Essex, appear to be the only reliable 
localities for this fern. 
This handsome fern grows luxuriantly in peat with 
an admixture of leaf-mould ; it retains every peculiarity, 
and reproduces itself readily from seed. Cultivated 
side by side with Multiflorum and Spinosum, under 
circumstances calculated to produce the greatest state 
of luxuriance and vigour, it remains notably distinct 
from both. Ina green-house it requires a very large 
pot; a rich vegetable’ soil: intermixed with peat; 
abundance of water, and good drainage. ; 
- 23. WITHERING’S FERN. Sprvosum. 
| Polystichum spinosum, Roth, B. F. 157. 
_ The caudex is stout, and. gradually increases in 
length, and becomes branched: I have occasio mally 
—.. jecpetileliids iste nigeria 
i, on digging amongst the | with a 
found the tufts h connected with 
j ify }: ipp th: 1. 1. 
