GLOSSARY. 



Serrate (leaves). Saw-like 

 teeth at margin. 



Sessile. Placed directly on 

 stem. 



Sinuate (leaves). With broad, 

 shallow, rounded indenta- 

 tions at margin. 



Spadix. A spike surrounded 

 by a spathe. 



Spathe. A form of bract. 



Spike. A simple peduncle. 



Spinous. Furnished with thorns 

 or prickles. 



Stamen, Accessory reproduc- 

 tive part of flower. 



Standard. Uppermost petal of 

 papilionaceous flower. 



Stem. Flower, fruit, and leaf- 

 bearing part. 



Stigma. Part of pistil of flower 



Stipule. A leaf-like appendage. 



Striate. Lined. 



Style. Part of pistil of flower 

 Subulate (leaves). Awl- 

 shaped ; as thick as broad. 

 Superior. Above. 

 Suture. A seam on the ovary. 



Ternate. Three leaflets from 

 apex of petiole. 



Testa. Covering of ovule. 



Thallophyte. A plant con- 

 structed of cells only. 



Thyrse. A much-branched, 

 pyramidal panicle. 



Tuber. A form of under- 

 ground stem. 



Umbel. Stem terminating in 

 numerous, stalked flowers. 

 Undulate. Waved. 



Whorled. Arranged in a circle. 



