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GROUP II. 
OSMUNDACEjE. 
4 * m 
Vernation. Circinate, the young fronds coiled up like 
a watch-spring. (See page 57.) 
Thecaj. Situated upon a naked portion of the frond ; 
stalked, two-valved, and not surrounded by a 
ring. 
GROUP II; GENUS I. 
OSMUNDA. 
Fructification. Thecse in branched masses, usually 
situated upon the naked upper portion of the 
leafy frond, where they form clusters similar 
to the pinme and pinnules of the leafy portion. 
Venules. Free. 
