GLOSSARY. 



741 



Dimorphous. Occurring in two forms. 



Dioecious. Unisexual, with the two kinds of 

 flowers on separate plants. 



Discoid. Resembling a disk. Discoid head, 

 in Composite, one without ray-flowers. 



Dish. A development of the receptacle at or 

 around the base of the pistil. In Composite, 

 the tubular flowers of the head as distinct 

 from the ray. 



Dissected. Cut or divided into numerous 

 segments. 



Dissepiment. A partition in an ovary or 

 fruit. 



Distichous. In two vertical ranks. 



Distinct. Separate; not united; evident. 



Divaricate. Widely divergent. 



/divergent. Inclined away from each other. 



Divided. Lobed to the base. 



Dorsal. Upon or relating to the back or 

 outer surface of an organ. 



Drupaceous. Resembling or of the nature 

 of a drupe. 



Drupe. A fleshy or pulpy fruit witli the in- 

 ner portion of the pericarp (1-celled and 1- 

 seeded, or sometimes several-celled) hard or 

 stony. 



Drupelet. A diminutive drupe. 



E- or Ex-. A Latin prefix having often a 

 privative signification, as ebracteate , with- 

 out bracts. 



Echinate. Beset with prickles. 



Effuse. Very loosely spreading. 



Elater. A usually spirally marked thread 

 found in the capsules of most Hepaticae. 



Ellipsoidal. Nearly elliptical ; of solids, el- 

 liptical in outline. 



Elliptical. In the form of an ellipse ; oval. 



Emarginate. Having a shallow notch at the 

 extremity. 



Embryo. The rudimentary plantlet within 

 the seed. 



Endocarp. The inner layer of a pericarp. 



Endogenous. Growing throughout the sub- 

 stance of the stem, instead of by superficial 

 layers. 



Entire. Without toothing or division. 



Ephemeral. Lasting only for one day. 



Epidermis. The cuticle or thin membrane 

 covering the outer surface. 



Epigynous. Growing on the summit of the 

 ovary, or apparently so. 



Epiphyte. A plant growing attached to an- 

 other plant, but not parasitic ; an air-plant. 



Eporose. Without pores. 



Equitant. Astride, used of conduplicate 

 leaves which enfold each other in two ranks, 

 as in Iris. 



Erect. Vertical ; upright as respects the 

 plane of t'.ie base. 



Erose. As if gnawed. 



Exalbuminous. Without albumen. 



Ezcurrent. Running out, as a nerve of n 

 loaf projecting beyond the margin. 



Exfoliating. Cleaving off in thin layers. 

 Exogenous. Growing by annular layers 



near the surface ; belonging fo the Exogens. 

 Exserted. Projecting beyoud an envelope, 



as stamens from a corolla. 

 Extrorse. Facing outward. 



Falcate. Scythe-shaped; curved and flat, 

 tapering gradually. 



Farinaceous. Containing starch ; starch- 

 like. 



Farinose. Covered with a meal-like powder. 



Fascicle. A close bundle or cluster. 



Fastigiate (branches). Erect and near to- 

 gether. 



Ferruginous. Rust-color. 



Fertile. Capable of producing fruit, or pro- 

 ductive, as a flower having a pistil, or an 

 anther with pollen. 



Fibrillose. Furnished or abounding with 

 fine fibres. 



Fibrous. Composed of or resembling fibres. 

 Fibrous tissue, a tissue formed of elon- 

 gated thick-walled cells. 



Fibro-vascular. Composed of woody fibres 

 and ducts. 



Filament. The part of a stamen which sup- 

 ports the anther ; any thread-like body. 



Filamentous. Composed of threads. 



Filiferous. Thread-bearing. 



Filiform. Thread-shaped ; long, slender, 

 and terete. 



Flmbriafe. Fringed. 



Fimbrillate. Having a minute fringe. 



Fingered. Digitate. 



Fistular. Hollow and cylindrical. 



Flaccid. Without rigidity ; lax and weak. 



Fleshy. Succulent ; juicy ; of the consist- 

 ence of flesh. 



Flexuous. Zigzag ; bending alternately in 

 opposite directions. 



Floccose. Clothed with locks of soft hair or 

 wool. 



Foliaceous. Leaf-like in texture or appear- 

 ance. 



-foliate. Having leaves. 



-foliolate. Having leaflets. 



Follicle. A fruit consisting of a single car- 

 pel, dehiscing by the ventral suture. 



fnllieular. Like a follicle. 



Forked. Divided into nearly equal branches. 



Fornicate. Arched over, as the corona of 

 some Borraginaceae. closing the throat. 



free. Not adnate to other organs. 



Friable. Easily crumbled. 



Frond. The leaf of Ferns and some other 

 Cryptogams ; also in some Phaenogams, as 

 in Lemnacese, where it serves for stem as 

 well as foliage. 



Fruit. The seed-bearing product of a plant, 

 simple, compound, or aggregated, of what- 

 ever form. 



Fugacious. Falling or fading very early. 



Funiclc. The free stalk of an ovule or seed. 



