GLOSSARY. 
Decussftte; opposite leaves, but the successive pairs placed at 
right angles to each other. 
Dejlexed ; curved doNvnwards 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 hidentate, 
which means having two teeth. 
Denticulate; finely dentate. 
Depressed ; when flattened vei-tically or at the top. 
Determinate inflorescence ends in a flower. 
Dicotyledonotis ; 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 ; leaves or lobes all starting from the top of 
the petiole. 
Diwciovs. ; with the sexes on different plants. 
Disk ; a fleshy space from which the stamens and pistils spring, 
or between them ; the centi-al part of a head (capitulum). 
Dissepiments ; vertical plates di%dding an o\ ary into parts ; septa. 
Distichous ; arranged above each other in two rows on opposite 
sides of an axis. 
Distinct ; separate from its neighboui's. 
Divaricate ; spreading at an obtuse angle. 
Diverging ; gi-aduaUy separating. 
Dorsal ; attached to, or on the back. 
Dnipe ; a one-celled superior fruit, not bursting, fleshy exter- 
nallj', stony within, containing one or two seeds. 
Echinate ; armed with straight slender prickles like a hedgehoo-. 
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 ovaay. 
Epipetalous ; borne on the petals. 
Epiphytes ; plants growing upon others, but not deriving nou- 
i-ishment from their juices. 
Eqiiulling ; when the ends of organs rise to the same height, 
even though their relative lengths are different. 
Erect ; standing nearly pei-pendicular to that fi-om which it 
grows, as a seed rising from the base of an ovary ; at rio-ht 
angles to its support. 
Exceeding; when an organ extends beyond an adjoining oro-an 
but is not necessarily longer than it. 
