BOTANICAL TERMS AND DEFINITIONS. 
xxvii 
Embryo, or Germ,* {Embryo) is the most essential part of a seed, 
and without which no seed is perfect, or capable of repro- 
duction. The germ is usually situated within the substance 
of the seed, either central, excentral out of the centre, or 
external; its direction is curved or straight, and in some 
instances spiral. 
EnErvEj vide Ribless. 
Ensiforme, wiiZe Sword-shaped. 
Entire Leaf, (Folium integerrimum) this term is applied to 
leaves when the margins are devoid of all notches or 
incisions. 
Epidermis, vide Cuticle. 
Equal Corolla. Regular corollas are called equal when all the 
divisions are of one size. Equal is also applied to petioles 
when they are of the same length as the leaf; to peduncles 
when of the same length as fhe petioles ; and to calyxes 
when the divisions are all of the same size. 
Equitant, (Equitantia) appVicd to leaves disposed in two opposite 
rows, and clasping each other by their compressed bases. 
Erect, or Upright, {Erectum) leaves are so called when they 
form a very acute angle with the stem. Applied also to 
branches rising in an upright direction ; to petioles rising 
nearly perpendicularly; and to flowers and peduncles rising 
perpendicularly, 
Erose, or Jagged, {Erosum) applied to leaves very irregularly 
cut or notched, and having the appearance of being gnawed 
or eaten by insects. 
Evergreen, (Sempervirens) applied to leaves continuing green 
through one or more winters, so that the branches are never 
stripped : example, the ivy, bay, &c. 
Eye, or Scar, (Hilum) is a point or scar, marking the place where 
the seed was affixed to the seed vessel or receptacle, and 
through which nourishment is conveyed for perfecting its 
internal parts. 
Exotic, (Exoticus) plants not natives of the countries in which 
they are cultivated. 
Falling, vide Deciduous. 
Fascicular, (Fascicw/flfiAWj) applied to leaves growing in a cluster, 
or tuft, as the larch, and some species of pine ; applied 
* Named by Cassalpinus, Corculum, or little heart, being the point from which the 
vital principle of the future plant originates. 
