262 EXPLANATION OF 



R 



RAD'ICLE ; a root-leaf proceeding immediately from 

 the root. 



RECEPTACLE ; the seat or base, upon which all the 

 other parts of a flower are placed, and by which they 

 are connected. It is remarkable in the Artichoke, 

 but in some flowers is not conspicuous. [Plate 1.] 



RIN'GENT, or Grinning ; a term applied to the corolla 

 of several flowers of the class Didynamia ; in which 

 the border is divided into two parts, called Lips, and 

 is supposed to resemble an open mouth : as in 

 Ground Ivy. [Plate 16.] When the lips are closed 

 the flower is called Personate. 



ROOT ; that part of a plant which grows in the earth, 

 and supplies the rest with nourishment. It may be 

 Fibrous ; Bulbous ; Tuberose, &c. 



SAP ; the juice of plants. 



SCALY ; composed of scales, lying one over another, 

 like those in the skin of a fish ; as in the outer coat 

 of the bulb of a Lily, the cup of a Thistle, &e. 



SEAM ; the line formed by the meeting of the valves 

 in a seed-vessel. The legumen of a Pea has two 

 valves ; and all the seeds are fastened to one of the 

 seams. [Wood- cut, page 194.] See also POD. 



SEED-VESSEL ; a vessel, or case, containing the seeds. 

 Seed- Vessels are of the following kinds : 

 A CAPSULE ; as in the Poppy. [Plate 15.] 



