‘TERMINOLOGY. 48 
149. Spreading, (patens), which goes off from 
the stem in an acute angle. | 
150. Bent in, (énflexum s. incurvum), when an 
upright leaf is bent in at its point towards the stem. 
151. Oblique, (obliqguum), when the base of the 
leaf stands upwards, and the point is turned towards 
the ‘horizon, but the margin of the point towards 
the ground. 
152. Horizontal, (Aorizontale), when the upper 
surface of the leaf makes with the stem a right 
angle. 
153. Bent down, (reclinatum s. reflexum), when 
the leaf stands with its point bent towards the earth. 
154 Bent back, (revolutum), when the leaf is 
bent outwards, and its point from the stem. 
155. Hanging down, (dependens), when the base 
is turned to the zenith, and the point towards the 
ground. j 
156. Rooting, (radicans), when the leaf strikes 
roots. : 
157. Swimming, (natans), when the leaf swims 
on the surface of water, as in Nymphea alba. 
158. Immersed, (demersum), when the leaves are 
found under water, 
& 28... 
In the descriptions of Leaves, the following are 
still to be marked: When a leaf does not perfectly 
answer to the figure it comes nearest to, the word 
sub 18 to be used, e. g. subcordatum, subovatum, sub- 
: serratum., 
