GLOSSARY. 177 



Sterile. Variously applied : to flowers with stamens only ; to sta- 

 mens without anthers ; to anthers without pollen ; to ovaries 

 not producing seed, etc. 



Stigma. Part of pistil which receives the pollen. 



Stipels. Appendages to a leaflet, analogous to the stipules of a leaf. 



Stipules. Appendages of a leaf, usually at the point of insertion. 



Striate. Streaked, or very finely ridged lengthwise. 



Style. Part of pistil uniting ovary with stigma ; often wanting. 



Sucker. A shoot of subterranean origin. 



Suture. The line of union between parts which have grown together; 

 most often used with reference to the line along which an 

 ovary opens. 



Terete. Cylindrical. 



Ternate. In threes. 



Tomentose. Densely pubescent or woolly. 



Truncate. As if cut off at the end. 



Umbel. An inflorescence in which the flower stems spring from the 

 same point like the rays of an umbrella. 



Verticillate. Arranged in a circle round an axis ; whorled. 



Villose or villous. With long, soft hairs. 



Whorl. Arranged in a circle about an axis. 



