76 



Neucleus. A kernel. See Lotus, Class v. Order 1. 



Nudus caulis. A naked stalk, as in the Colchicum, Class vi. 



Nutans caulis. A nodding stalk. 



Nux. A nut. Ex. Lotus, Class v. Order l. 



O. 



Obcordatum petalum. A heart-shaped petal, with its joint 

 downwards. 



Obliquum folium. When the apex of the leaf points obliquely 

 towards the horizon. 



Oblongum folium. An oblong leaf. 



Obovatum folium. An oval or egg-shaped leaf, growing on 

 its foot-stalk, by the smaller end. 



Obsolete lobalum folium. Leaves having lobes scarcely dis- 

 cernible. 



Obtusum folium. A leaf blunt or rounded at the apex. 



Obvolutum folium. Rolled against each other ; when the 

 margin of each leaf alternately embraces the straight mar- 

 gin or the opposite leaf. 



Octandria. The eighth Class in the Linnacan system. 



Officinalis. A term to denote plants used in medicine, or kept 

 in the apothecaries' shops. 



Operculum. A cover. As in the mosses. 



Opposita folia. Leaves growing by pairs opposite to each 

 other. 



Orbiculatum folium. A round leaf. 



Orchideae orchis. A natural Order of plants in the Fragmenta 

 methodi naturalis of Linnaeus. 



Ordo. Order. 



Orgya. A fathom, or six Parisian feet. 



Ovale folium. An oval leaf. 



Ovarium. The germen. 



Ovatum folium. An oval, or egg-shaped leaf. 



