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 (Solanum 

 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. 



