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GLOSSARY 



Pyramidal Shaped like a pyra- 

 mid 



Raceme A somewhat elongated 

 axis bearing flowers with about 

 equal pedicels 



Racemose In a raceme 



Ray One of the ribbon-like flow- 

 ers of the composites or asters 



Rayless Without rays 



Receptacle The end of a flower 

 stalk bearing the flower parts or 

 in the asters bearing the flowers 



Reflexed Bent down or back 



Regular Having the members of 

 each part alike in shape and size 



Reniform Kidney-shaped 



Resinous Bearing resin 



Revolute With the margin rolled 

 back 



Rhomboid More or less diamond- 

 shaped 



Rootlet A small root 



Rootstock, root-stalk An under- 

 ground stem 



Rosette One or more circles of 

 leaves 



Rudimentary Imperfect; begin- 

 ning 



Runner A slender stem lying on 

 the ground and bearing one or 

 more buds 



Salver-form, salver-shaped With 

 a slender tube, abruptly widened 

 into a flat top 



Samara A winged fruit, as in the 

 maple 



Saprophyte A plant living on dead 

 matter and without green color- 

 ing 



Segment A part or division 



Sepal One of the outer circle of 

 flower parts, usually green, a di- 

 vision of the calyx 



Serrate With teeth as in a saw 



Sessile Not stalked, seated 



Sheath The part of a leaf or leaf 

 base which clasps or encloses the 

 stem 



Shrub A woody plant, usually less 

 than 20 feet tall 



Simple Consisting of one part, 

 not compound 



Spadix A fleshy axis bearing ses- 

 sile flowers 



Spathe A leaf-like structure more 

 or less enclosing a flower cluster 



Spatulate Spoon-shaped, shaped 

 like a spatula 



Spike An elongated axis bearing 

 sessile flowers 



Spikelet A small few-flowered 

 spike, the flower cluster of 

 grasses and sedges 



Spine A sharp woody outgrowth 

 of the stem, a reduced leaf 



Spur A hollo^v projection from a 

 sepal or petal 



Stamen The part of a flower 

 which bears the pollen 



Staminate With stamens but 

 without pistils 



Staminodium (pi. staminodia) An 

 imperfect stamen 



Stellate Star-shaped 



Sterile Not producing seed ; with- 

 out pollen 



Stigma The tip of the pistil which 

 receives the pollen 



Stipule A leaf-like part at the base 

 of the stalk of the leaf 



