GLOSSARY 



POD (from Greek for a foot) : for definition see Legume. 



POME (from Latin for an apple) : a fruit, consisting of a 

 fleshy exterior and a core which contains the seeds. Fruit 

 of the Shad-bush (Amelanchier canadensis) is a pome. 



RACEME (from Latin for a bunch of grapes) : a cluster of 

 flowers, in which the individual flowers are borne on stems 

 that branch from a central stem or axis. Racemose: 

 having the general structure of a raceme. Flowers of 

 Gerardia are in raceme. 



RAY (from Latin for a beam or ray, in allusion to the 

 radiating arrangement) : in some members of the Composite 

 Family, surrounding the central disk or head is a circle 

 of what resembles petals. These are rays; each ray is 

 the corolla of a flower. Rays of the New York Aster 

 (Aster novi-belgii] are lilac. 



RECEPTACLE (from Latin signifying to receive): the part 

 of the stem which bears the flower or flowers. The recep- 

 tacle of the "heads" of White Clover (Trifoliumrepens) are 

 round. 



SAGITTATE (from Latin for an arrow) : arrow-shaped. 

 Leaves of the Arrowhead (Sagittaria Engelmanniana] are 

 sagittate. 



SCAPE (from Latin for a stem) : a flower-stem that rises 

 unbranched from the surface of the ground; it may or 

 not bear bracts. Scape of the Moccasin Flower (Cypri- 

 pedium acaule) is bractless. 



SEPAL (from Latin to separate): one of the divisions of 

 the calyx. Sepals of the Deadly Nightshade (Solarium 

 Dulcamara] are green ,of the Bladderwort (Silene latifolia) 

 the sepals are united to form an inflated sack. 



SERRATE, SERRULATE (from Latin for a saw) : having sharp 

 teeth, the points of which are usually directed upward. 

 Serrulate: the diminutive form. Leaves of the Choke- 

 berry (Pyrus arbutifolia, var. atropurpurea) are beauti- 

 fully serrate. 



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