&LOSSART. XU 



Decumbent ; lying on the ground, but tending to rise at the end. 

 Becurrmt ; when the limb of a leaf is prolonged down the stem 



below the point of attachment of the midrib. 

 Decussate ; opposite leaves, but the successive pairs placed at 



right angles to each other. 

 Deflexed ; curved downwards or towards the back. 

 Dehiscence ; the mode in which an organ opens. 

 Deltoid ; fleshy with a triangular transverse section. 

 Dentate ; with short equilateral triangular teeth. When these 



are again dentate, the whole is doubly dentate: not bidentate, 



which means having two teeth. 

 Denticulate ; finely dentate. 



Depressed ; when flattened vertically or at the top. 

 Detei-minate inflorescence ends in a flower. 

 Dicotyledonous ; with two opposite cotyledons. 

 Didymous ; formed of two similar parts attached to each other 



by a small portion of their margin. 

 Diffuse ; widely spreading. 

 Digitate ; fingered ; of several leaves all starting from the top 



of the petioles. 

 Dioecious ; with the sexes on different plants. 

 Disk ; a fleshy space from which the stamens and pistils spring, 



or between them ; the central part of a head (capitulum). 

 Dissepiments ; vertical plates dividing an ovary into parts ; septa. 

 Distichous : arranged above each other in two rows on opposite 



sides of an axis. 

 Distinct ; separate from its neighbours. 

 Divaricate ; spreading at an obtuse angle. 

 Diverging ; gradually separating. 

 Dorsal; attached to, or on the back. 



Drupe ; a one-celled superior fruit, not bursting, fleshy exter- 

 nally, stony within, containing one or two seeds. 



Echinate ; armed with straight slender prickles like a hedge- 

 hog. 



Elliptic ; oval but acute at each end. 



Elongate ; much lengthened. 



Emarginate ; slightly notched at the end. 



Embryo ; the young plant as first seen in the seed. 



Entire ; not toothed nor lobed at the edge. 



Epidermis ; the skin. 



Epigynous; apparently seated upon the ovary. 



Epipetalous ; borne on the petals. 



Epiphytes ; plants growing upon others, but not deriving nou- 

 rishment from their juices. 



Equalling; when the ends of organ? rise to the same height 

 even though their relative lengths are difierent. 



