274 



GLOSSARY. 



Dlchotomous, forking regularly 

 by pairs. 



Dicotyledonous, having two coty- 

 ledons. 



DidynamouB,"of stamens, -when in 

 two pairs of different lengths. 



Diffuse, spreading. 



Digitate, compound, the members 

 arising from the same point. 



Dioecious, of flowers when the 

 staminate and pistillate ones are 

 on separate plants. 



Discoid, of composite flowers when 

 ray-florets are absent. 



Disk, a development of the recept- 

 acle around the base of the pistil ; 

 the central part Of the head of a 

 composite flower as distinct ^rom 

 the ray. 



Dissected, cut np into many seg- 

 ments. 



Dissepiment, n, partition in an 

 ovary or fruit. 



Distinct, not united. 



Divergent, spreading apart. 



Divided, lobed to the base. 



Dorsal, relating to the back of any 

 organ. 



Drupe, a fleshy fruit with the seed 

 enclosedin a hard shell, as a plum 

 or cherry. 



E. 

 Elliptical, oval. 

 Eniarglnate, slightly notched at 



the end. 

 Embry^j the undeveloped plant in 



the seed. 

 Endocarp, the-innermost layer of 



the pericarp. 

 Endogenous, applied to stems 



whose wood does not grow in 



rings, but in scattered bundles. 

 Entire, without indentations of 



any kind. 

 Eplgynous, growing on the ovary. 

 Epiphyte, an air -plant, whose 



Toots do not reach the ground. 

 Equitant, applied to such leaves 



as those of Iris, which are folded 



lengthwise, each astride of the 



next one within. 

 Erect, upright. 



Excnrrent, applied to stems which 



can be readify traced through to 



the top, as in Pine. 

 Exogenous, applied to stems 



whose wood grows in layers or 



rings. 

 Exserted, thrust out beyond the 



line of the. enveloping organ, as 



stamens out of a corolla. 

 Extrorse, facing outward. 



F. 



Fascicle, a close bundle. 

 Fertile, applied to flowers having 



pistils. 

 Fibrous, thread-liKe. 

 Filament, the stalk of the stamen. 

 Filiform, thread-shaped ; long and 



slender. 

 Floccose, soft-woolly. 

 Foliaceous, leaf-like. 

 -foliate, relating to leaves. 

 -follolate, relating to leaflets. 

 Follicle, a dehiscent fruit of one 



carpel, splitting down one side 

 , only. 

 Free, not growing fast to any other 



organ. 

 Frond, the leaf of a Fern, and some 



other cryptogams. 

 Fruit, the ripened ovary, along 



with any adherent part. 

 Fugacious, falling away very 



early. 

 Fusiform, spindle-shaped, thicker 



in the middle than at either end. 



G. 



Galea, a helmet-shaped piece of a 



perianth, as the upper lip of some 



labiate corollas. 

 Gamopetalous, having the petals 



united together. 

 Gamophyllons, havingthepieces 



of the perianth united. 

 Gibbons, bulging outward on one 



side. 

 Glabrate, somewhat glabrous ; 



becoming glabrous. 

 Glabrous^ smooth. 

 Gland, a secreting structure of any 



kind. Any protuberance having 



the appearance of such an organ. 



