160 
VOCABULARY. 
Diur'nus. Enduring but a day. 
Dor'sal, Belonging to the back. 
Dotted. See Punctate and Perforated. 
Droop'ing. Inclining downward, more 
than nodding. 
Drupe. A fleshy pericarp, enclosing a 
stone or nut. 
Dru'peole. A little drupe. 
Drupa'ceous. Resembling, or bearing 
drupes. 
DuVcis. Sweet. 
Dumo'sus. Bushy. 
Du'plex. Double. 
E 
Eared. Applied to the lobes of a heart- 
form leaf, to the side lobes near the 
base of some leaves, and to twisted 
parts in plants which are supposed to 
resemble the passage into the ear. 
Ebur'neus. Ivory-white. 
Echi'nate. Beset with prickles, as a 
hedge-hog. 
Ecos'tate. Without nerves or ribs. 
Edible. Good for food, esculent. 
Effiorescen'tia. (From effioresco^ to 
bloom.) A term expressive of the 
precise time of the year, and the 
month in which every plant blossoms. 
The term effiorescence is applied to 
the powder substance found on Lich- 
ens. 
Effolia'tion. Premature falling off of 
leaves, by means of diseases or some 
accidental causes. 
Effuse. Having an opening by which 
seeds or liquids may be poured out. 
Egg-form. See ovate. 
E'gret or Ai'grette. The feathery or 
hairy crown of seeds, as the down of 
thistles and dandelions. It includes 
whatever remains on the top of the 
seed after the corolla is removed. 
The egret is stiped, when it is sup- 
ported on a foot-stem ; it is simple, 
when it consists of a bundle of simple 
hairs ; it is plumose, when each hair 
composing the crown has other little 
hairs arranged along its sides. 
EUip'tic. Oval. 
Elon'gated. Exceeding a common 
length. 
Emar'ginaie. Having a notch at the 
end, retuse, 
Em^hryo. (From emhrao, to bud forth.) 
The germ of a plant; called by Lin- 
naeus the corculum. 
Em.ol'lient. A medicine which softens 
and relaxes the animal fibre. 
En'docarp. The inside skin of a peri- 
carp. 
Endog'enous. Applied to stems which 
grow from the centre outwardly, as in 
monocotyledons. 
Eno'dis. Without joints or knots. 
En'siform. Sword-form, two-edged, as 
in the flag and iris. 
Entire. Even and whole at the edge. 
Entomol'ogy. The science which treats 
of insects. 
Epi. A Greek word, signifying upon ; 
often used in composition. 
E'picarp. (From epi, upon, and karpos^ 
fruit.) The outer skin of the peri- 
carp. 
Epider'mis. (From epi, upon, and 
derma, skin.^ See Cuticle. 
Epig'ynous. (From epi, upon, and gy- 
nia, pistil.) 
Ep'isperm. (From epi, upon, and 5;?^/- 
ma, seed.) 
Equinoc'tial flowers. Opening at stated 
hours each day. 
E'quitant. Opposite leaves alternately 
enclosing the edges of each other. 
Erect'. Straight ; less unbending than 
strictus. 
Ero'ded. Appearing as if gnawed at 
the edge. 
Es'culent. Eatable. 
Ev'ergreen. Remaining green through 
the year, not deciduous. 
Excava'tus. Hollowed out. 
Exog'enous. A term applied to stems 
wiEiich grow externally. 
Exotic. Plants that are brought from 
foreign countries, 
Expan'ded. Spread, 
Expec'torant. (From expectoro, to dis- 
charge from the breast.) Medicines 
which promote a discharge from the 
lungs. 
Ex'serted. Projecting out of the flower 
or sheath. 
Eye. See Hilum. 
F 
Facti'tious. (From facio, to make.) 
Not natural, produced by art, 
Fam'ilies. A term in Botany implying 
a natural union of several genera in 
to groups ; sometimes used as synon 
ymous with Natural Orders. 
FaVcate. Sickle-shaped; linear and 
crooked. 
Fari'na. (From far, corn.) Meal or 
flour. A term given to the glutinous 
parts of wheat and (/(her seeds, which 
is obtained by grinding and sifting. 
It consists of gluten, starch, and mu- 
cilage. The pollen is also called 
farina. 
Fas'cicle. A bundle, 
Fascic'ulate. Collected in bundles, 
Fastig'iate. Flat-topped. Branches are 
said to be fastigiate when they keep 
in a similar direction to the main 
stem, and their boughs point upwards. 
