XXXviii BOTANICAL TERMS AND DEFINITIONS. 
naked, forms the distinguishing character of the genus or 
family. 
Reclined, {Reclinatd) appUed to leaves when the point is lower 
than the base; also to stems when curved towards the 
ground. 
Rectus, vide Straight. 
Recurved, (i2ecwr»a re? J?e;^e,«a) applied to leaves curved back- 
wards. 
Regular Corolla. This term is applied to the eoroUa when the 
general figure is uniform, as in the pink, rose, &c. 
Reniforme, vide Kidney-shaped. 
Repandum, vide Wavy. 
Repens, vide Creeping. 
Resupinate, or Reversed, {Resupinatum) applied to leaves 
when the upper surface is turned downwards. 
Retuse, {Retusum) leaves are so called when ending in a broad, 
shallow notch or sinus. 
Revolute, {Revolutum) applied to leaves when the margins are 
rolled backwards towards the under surface. 
Rhombeum, vide Diamond-shaped. 
Ribbed, {Costatum vel Nervosum) applied to leaves when the nerves 
or ribs extend in simple lines from the base to the point.* 
RiBLESS, (Enerve) applied to leaves without ribs or nerves. 
RiNGENT, [Ringens) applied to a monopetalous corolla, the border 
of which is usually divided into two lips, which gape like the 
mouth of an animal. 
Rosaceous, or Rose-like, (Rosacea) applied to polypetalous 
corollas, consisting of four or more petals spreading like a 
rose : example, the poppy. 
Rostrum, vide Beak. 
Rotata, vide Wheel-shaped. 
Roundish, {Subrotundum) applied to leaves approaching to a cir- 
cular form, but not so round as the orbicular leaf. 
Rugged, or Wrinkled, (Rugosum) leaves are so called when the 
surface rises into little inequalities above the veins. 
Runcinate, or Lion-Toothed, ^Runcinatum) leaves are so 
called when cut into several transverse acute segments, 
pointing towards the base of the leaf: example, the 
dandelion. 
* The larger vessels are called serves or ribs, and the smaller veins, without 
regard to the form they take.— JErf, 
