194 
VOCAEULARY. 
Oya'neus. Bine. 
Cy'at/dform. Shaped like a common 
wine-glass. 
Oylin'drical. A. circular shaft of near- 
ly equal dimensions throughout its 
extent. 
Cyme. Flower stalks arising from a 
common centre, afterward variously 
subdivided. 
Cymose. Inflorescence in cymes. 
Cypse'le. (From the Greek, kupselion.) 
A little chest. 
D 
De'bilis. Weak, feeble. 
Decan'drous. Plants with ten stamens 
in each flower. 
Decapkyl'lous. Ten-leaved. 
Deci.d'uoHS. Falling off in the usual 
season ; opposed to persistent and ev- 
ergreen, more durable than caducous. 
DecLi'ned. Curved downwards. 
Decomposi'iion,. Separation of the chem- 
ical elements of bodies. 
Decompound' . Twice compound, com- 
posed of compound parts. 
Decomposi'tcB. Name of an ancient 
class of plants, having leaves twice 
compound ; that is, a common foot- 
stalk supporting a number of lesser 
leaves, each of which is compounded. 
Decum/bent. Leaning upon the ground, 
the base being erect. This term is 
applied to stems, stamens, &.c. 
Dccur'rent. When the edges of a leaf 
run down the stem, or stalk. 
Decur'swe. Decurrently. 
Decus'sated. In pairs, crossing each 
other. 
Dejiec'ted. Bending down. 
Defolia'tion. Shedding leaves in the 
proper season. 
Dehis'cent. Gaping or opening. Most 
capsules when ripe are dehiscent. 
Del'toid. Nearly triangular, or dia- 
mond-form, as in the leaves of the 
Lombardy poplar. 
Demer'sus. Under water. 
Dense. Close, compact. 
Dervtate. Toothed ; edged with sharp 
projections ; larger than serrate. 
Dentic'ulate. Minutely toothed. 
Denu'date. Plants whose flowers ap- 
pear before the leaves; appearing 
naked. 
Deor'sum. Downwards. 
Depres'sed. Flattened, or pressed in at 
the top. 
Descrip'tions. In giving a complete 
description of a plant, the order of 
nature is to begin with the root, pro- 
ceed to the stem, branches, leaves, ap- 
pendages, and lastly to the organs 
which compose the flower, and the 
manner of inflorescence. Coir ur and 
size are circumstances least to be re- 
garded in description ; but stipules, 
bracts, and glandular hairs, are all of 
importance. 
Dextror'swm. Twining from left to 
right, as the hop-vine. 
Diadel'phous. (From dis, two, and 
adelpkia, brotherhood.) Two brother- 
hood.i. Stamens united in two par- 
cels or sets ; flowers mostly papiliona^ 
ceous; fruit leguminous. 
Diagno'sis. The characters which dis- 
tinguish one species of plants from 
another. 
Di'amond-form. See Deltoid. 
Dianthe'ria. (From dis, two, and an- 
ther.) A class of plants including all 
such as have two anthers. 
Dickot'omous. Forked, divided into two 
equal branches. 
Diclin'ia. Stamens in one flower, and 
pistils in another; whether on the 
same plant or on different plants. 
Dicoc'cGus. Containing two grains or 
seeds. 
Dicotylcd'onous. With two cotyledons 
or seed lobes. 
Didy'mous. Twined, or double. 
DidynoJmia. (From tZis, twice, and diu- 
namis, power.) Two powers. A 
name appropriated to one of the Lin- 
naean classes. 
Dierisil'ia. (From diairesis, division.) 
One of Jussieu's orders of fruits. 
DifforvL. A monopetalous corolla whose 
tube widens above gradually, and is 
divided into unequal parts; any dis- 
torted part of the plant. 
Diffrac'ted. Twice bent. 
Diffu'sed. Spreading. 
Digitate. Like fingers. When one 
petiole sends oflf several leafets from 
a single point at its extremity. 
Digyn'ia. Having two pistils. 
Dimid'iate. Halved. 
Dice'ciflus. Having staminate and pis- 
tillate flowers on different plants. 
Dis'coid. Resembling a disk, withor.i 
rays. 
Disk. The whole surface of a leaf, or 
of the top of a compound flower, a3 
opposed to its rays. ' 
Disper'mus. Containing two seeds. 
Dissep'iment. The partition of a cap- 
sule. 
Dissil'iens. A pericarp, bursting with 
elasticity; as the Impatiens. 
Di'stichus. Growing in two opposita 
ranks or rows. 
Divar'icate. Diverging so as to turc 
backwards. 
Diver'ging. Spreading ; separating 
widely. 
