AN ENCYCLOPEDIA OF HORTICULTURE. 



531 



OSSIFIED. Become like bone hard, brittle, and 

 close in texture ; e.g., a Peach stone. 



OSTEOSFERMUM (from osteon, a bone, and 

 sperma, a seed j referring to the hardness of the seed). 



spermum continued. 

 branches, pedunculate, solitary or loosely paniculate ; 

 involucre campanulate or sub-hemispherical ; receptacle 

 flat or convex. Leaves alternate, or rarely opposite, 



ORD. Composite. A genus comprising thirty-eight 

 species of greenhouse shrubs, sub-shrubs, or rarely 

 herbs, confined to South Africa. Flower-heads yellow, 

 heterogainous, small or mediocre, at the tips of the 



entire, toothed, or pinnatifid. The species are probably 

 now lost to cultivation. 



OSTRICH FERN. See Onoclea germanica. 



