BOTANICAL TERMS. 477 



Quadrifid. Divided four times. 

 Quaternate Four together. 

 Quinate. Five together. 

 Quinquefid. Divided into five parts. 



Raceme. A cluster ; a kind of inflorescence, in which the flowers are 



arranged by simple pedicels on the sides of a common peduncle 



Fig. 127. 

 Rac/iis. The common stalk to which the florets and spikelets of grasses 



are attached. Also the midrib of some leaves and fronds. 

 Radiate. Having ligulate florets placed like rays at the circumference, 



as in certain compound flowers ; or having the outer petals largest, 



as in certain cymes and umbels. Ex. Aster. 



Radical. Growing immediately from the root. Ex. Dandelion, Fig. 7G. 

 Radicle. The part of the corculum which afterwards forms the root. 



Also the minute branch of the root, Fig. 144. 

 Ray. The diverging florets or petals which form the outside of radiate 



flowers, cymes, and umbels. Ex. Helianthus. 

 Receptacle. The end of a flower stalk, being the base to which most or 



all the parts of fructification are attached, Fig. 154. 

 Reclined or Reclining. Bending over, with one end inclining towards 



the ground. 



Recurved. Curved backwards. 

 Refle.red. Bent backward, more than recurved. 



Reniform. Kidney-shaped. Heart-shaped, without the point, Fig. 34. 

 Repand. Slightly wavy or serpentine at the edge ; as the leaves of Men- 



yanthes trifoliata. 



Resupinate. Turned upside down ; as the leaves ofJuniperus communis. 

 Reticulate. Net- like. Having veins distributed like net-work, Fig. 58. 

 Retuse. Having a slight sinus, or superficial notch in the end. Less than 



emarginate. 



Revolute. Rolled backward or outward. 

 Rhomboidal. Having four sides with unequal angles. 

 Ribbed. Marked with parallel ridges or veins, Fig. 57. 

 Ringent. Irregular, with an upper and under lip. See Labiate. 

 Rooting. Sending out lateral roots. 

 Rostellum. See radicle. 



Rostrate. Furnished with a beak. Ex. Fruit of the geraniums. 

 Rotate. Wheel-shaped. Flat without a tube ; as in the flowers of Sola 



num dulcamara, Fig. 112. 

 Rugose. Wrinkled, Fig. 59. 

 Runcinate. Having large teeth pointing backward ; as the leaves of the 



Dandelion, Fig. 40. 



Saccate. Having a bag or pouch. 



Sagittate. Arrow-shaped. Like the head of an arrow, Fig. 37. 



Salver-shaped. See Hypocrateriform. 



Samara. A seed vessel not opening by valves, having a winged or mena- 



branaceous appendage. 

 Sarmentose. Running on the ground and striking roots from the joints, 



as the strawberry. 



Sarcocarp. The hard or bony part of a nut or shell. 

 Scape. A stalk which springs from the root, and supports flowers and 



fruit, but no leaves. 

 Scabrous. Rough. 



