A Dictionary of Choice Ferns. 
287 
OS M UN D A—conti n ned. 
habit, land is found growing in a natural stat-e from Kamt- 
s-chatka to Java and Ceylon. The peculiar fronds, which 
in general appearance greatly resemble those of a Lomaria, 
are 1ft. to 3ft. long, Sin. to 12in. broad, and simply pinnate, 
being provided with leaflets distinctly barren or fertile. 
The barren ones, of a leathery texture, dark green colour, 
Fig. 112. Osmunda Claytoniana, a distinct species whose 
fronds are so disposed as to form an elegant vase=shaped 
plant. 
and glossy, are 4in. to Sin. long, |in. to fin. broad, wedge- 
shaped at the base, and often slightly stalked, their edge 
being either entire or sometimes sharply toothed. The 
fertile leaflets, which are usually disposed on each side of 
the stalk, and in the centre of the frond, are shorter, and 
made up of numerous close but distinct, oblong, stalkless 
clusters. 
O. Presliana, 
Synonymous with 0. javanica. 
