GLOSSARY. 433 



Diclinous. Having stamens and pistils on different flowers, 



whether in one or in two plants. 

 Dicoccous. Containing two grains or seeds. 

 Dicotyledonous. Having two cotyledons or seed lobes. 

 Didymous. Twin. 

 Didynamous. Belonging to the class Didynamia, with two short 



and two long stamens and a ringent corolla. 

 Digitate. When a petiole gives off five or more leafets from a 



single point at its extremity ; as Panax quinquefolium. Med. 



Bot. PL 39. 

 Digynous. Having two styles. 

 Dimidiate. Halved. 

 Dioecious. Having the barren and fertile flowers on different 



plants. 

 Diplotegia. A capsule invested with a membranous calyx-tube, 



as in Campanula. 

 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. 

 Dodecandrous. 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. 



Echinate. Beset with prickles. Hedgehog like. 



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



PI. 27. 

 Elongated. Exceeeding a common or average length. 

 Emarginate. Having a notch in the end. 

 Endocarp. The inner lining of a fruit. 

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