224 
XXIV. Ferns. Crypt. Filiccs. 
Oakley West Field, 
Obs : 
Root fibrous^ seeds- in panicles^ leasts kidney -shaped. 
728. Royal Osmund. — O. rcgalis. 
Leaves with 2 rows of wings, with bunches 
at the end. — Sowerby. 209. 
Boggy Places, July, P. Rare. 
Aspley Wood, 
Found by Mr. George Dixon, of Eversholt. 
729. Rough Moohwort. — O. Spicant. 
Leaves lance-shaped, winged, segments run- 
ning into each other, very entire, parallel. - 
Curtis. 11 . 67. 
Heaths and Marshes, July, P. Rare. 
Potton Marshes. 
Obs : 
Barren leaves broader^ fertile fronds narrowest. 
Brakes. Pteris. Gen. PI. 1626. 
Capsules disposed in a line on the under side 
along the margin of the frond. 
730. Common Fern, — P. aquilina. 
Leaves more than double compound, leafits 
Avinged, wings spear-shaped, lower ones 
with winged clefts, upper ones smaller. — 
Bolton. 10. 
Heaths, Commons, August, P. Comm.on. 
SDleen-wort. 
1 
