C R Y P T O G A M I A. 243 
Ceterach. Spleenivort with pinnatifid branches, alter- 
nate, confluent lobes. About BriftoL On old wails. Per, 
Trichor/ianes, Common Maidenhair with pinnacifld bran- 
ches, and roundifli crenated wings. In ilony places, 
old walls, and fliady places. Per. 
Piridi. Green Maidenhair with a pinnate branch and 
roundifli wings, truncated at the bafe. On moifl; rocks 
in Torkjh, znd IVeJ}. Hudson. 
Marinum, Sea Maidenhair v/ith a pinnate branch, ob- 
ovate, ferrated wings, gibbous and obtule at the leg- 
ments, and wedge-like at the bale. On the rocks by 
the lea fide. Per. 
Rut amtir aria. White Maidenhair with branches alters 
nately decompounded, the leaves wedge-like and crenu- 
lated. In the clefts of rocks. 
Adianthum Nigrum. Black Maidenhair with branches 
tripinnate, the leaves alternate, the wings lanceolated 
and ferrated. In fliady places and old walls. 
POLYPODIUM. 
The frucliflcations are diflributed in round dots on 
the leaf. 
Vulgare. Common Polypody with pinnatifid branches, 
oblong, obtiife ferrated wings, and a Iquamous root. 
On old walls and at the roots of trees. 
Camhriciim. Jcigged Polypody with pinnate branches, 
ferrated, lanceolated wings. Per., , 
Longchitis. Great Polypody with pinnate branches, 
lunulated, ferrated, ciliated wings, ard ftrigc-fe petioii. 
In the clefts of rocks in Wales and near Bingley in I'ork- 
/hire. Per. 
Phegopteris. Wood Polypody with bipinnate branches, 
and reflex fegments. Per. 
Fragrans. Sweet Polypody with bipinnate, lanceolated 
branches; the fegments thick fet, the lobes obtufe and 
ferrated, a paleaceous flipes. In the moifc clefts of 
rocks near Kefwick.^ Cumh. Per. 
I i 2, 
Felix. 
