Spring Flora of Oklahoma 
211 
Distinct—Separate, not united. 
Divaricate—Diverging at a wide angle. 
Divided—Cleft to the base or to the midrib. 
Dorsal—On the back or pertaining to the back. 
Exserted—Extended beyond surrounding organs or parts; protrud¬ 
ing. 
Ex-stipulate—Without stipules. 
Extrose—'Facing outwards. 
Falcate—Scythe-shaped. 
Elliptical—Like an ellipse. 
Emarginate—With a notched apex. 
Embryo—An incipient plant especially in the seed. 
Embryo sac—The female gametophyte, contained in the ovule of 
seed plants. 
Endocarp—The inner layer of the pericarp. 
Endorsperm—The nourishing tissue developed around the embryo 
in the female gametophyte of the anthophyta. 
Entire—Without teeth, serrations, or lobes. 
Ephemeral—Containing for only a day or less. 
Epigynous—Aduate to the surface of the ovary, so as to be appar¬ 
ently inserted upon the top of it;—said of stamens, petals, or 
sepals; and also of flowers whose parts are of this type. 
Equitant—Straddling or folded around each other. 
Erose—Margined as if gnawed. 
Evanescent—Disappearing early. 
Excurrent—With a tip projecting beyond the main part of the or¬ 
gan. 
Exocarp—The outer layer of the pericarp. 
Exserted—Extending beyond surrounding organs or parts; protrud¬ 
ing. 
Falcate.—Scythe-shaped. 
Fascicled—Densely clustered. 
Ferruginous—Resembling iron rust. 
Fertile—Bearing spores, gametes, or seeds. 
Fertilization—The conjugation of the male and female gametes. 
Fetid—Ill-smelling. 
Filament—The stalk of an anther; a thread-like chain of cells. 
Filamentous—Thread-like. 
Filiform—Like a filament. 
Fimbriate—Fringed. 
Fimbrillate—'Minutely fringed. 
Flaccid—Soft and weak. 
Flexuous—Zigzag; Bending alternately from side {o side. 
Floccose—With loose tufts of wool-like hairs. 
