GLOSSARY. 401 



Dlcoccons. Containing two grains or seeds. 



Dicotyledonous. Having two cotyledons or seed lobes. 



Didijinous. Twin. 



Didynamous. Belonging to the class Didynamia, with two short and two 



long stamens and a ringent corolla. 

 Digita!e. When a petiole gives off' five or more leafets from a Dingle point 



at its extremity ; as Panax quinquefolium. Med. Bot. PI. 39. 

 Digynous. Having two styles. 

 Dimidiate. Halved. 



DMCIOUS. Having the barren and fertile flowers on different plants. 

 Disc. The surface or top, in distinction from the edge. 

 Discoid. Having a disc covered with florets, but no ray. 

 Dissepiment. The partition or internal wall of a capsule. 

 Distichous. Growing in two opposite ranks or rows. 

 Divaricate. Diverging so far as to turn backward. 

 Divergent. Spreading. Separating widely. 

 Dodccandrous. With twelve stamens. 

 Dorsal. Growing on, or belonging to, the back. 

 Down. The hairy or feathery appendage of certain seeds. Also a short, soft 



pubescence. 



Drooping Inclining downward. More than nodding. 

 Drupe. A fleshy fruit inclosing a stone or nut; like the cherry. 

 Drupaceous. Bearing, or resembling, drupes. 



E 



Echinale. Beset with prickles. Hedgehog like. 



Elliptic. Oval; as the leaves of Magnolia glauca. Med. Bot. PI. 27. 



Elongated. Exceeding a common or average length. 



Emarginate. Having a notch in the end. 



Enneandrous. With nine stamens. 



Ensiform. Sword shaped, two edged ; as the leaves of 7m versicolor. Med. 



Bot. PI. 16. 

 Entire. Even and whole at the edge; as the leaves of Rlius vcrnix. Med. 



Bot. PI. 10. 



Ephemeral* Lasting but a day. 

 Epidermis. See Cuticle 

 Eroded. Appearing as if gnawed at the edge. 

 Esculent. Eatable. 



Evergreen. Remaining fresh through the winter. Not deciduous. 

 Exserled. Projecting or extending out of the flower or sheath. 



F 



Falcate. Sickle shsped. Linear and crooked. 



Farina. The pollen. Also meal or flour. 



Farinaceous. Mealy. 



Fascicle. A bundle. 



Fascicled, or fasciculate. Collected in bundles. 



Fastigiate. Flat topped. 



Favose. Resembling a honey comb. 



Ferns. An order of cryptogamous plants bearing the fructification com- 

 monly on the back of the leaf, or in spikes, made up of minute capsules 

 opening transversely. 



Fertile. Containing perfect pistils and yielding fruit. 



Filiform. Thread like, or very slender. 



Fimbriate. Finely divided at the edge like fringe. 



Fistulnns. Hollow or tubular. 



Flabelliform. Spreading like a fan. 



F/agelliforni. Like a whip lash. 



Flexuous. Serpentine or zigzag. 



Floral leaf. See Bracte. 



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