GLOSSARY OF BOTANICAL TERMS 



STOLON. A runner ; or any basal branch that is disposed to root. 

 STOMATA, pi. The transpiring orifices in the epidermis of plants. 

 STRIATE. Marked with fine longitudinal lines or ridges. 

 STROBILE. A compact flower cluster with large scales, concealing the 



flowers. When this cluster matures and contains seeds, it is still 



called a strobile. 

 STYLE. The attenuated portion of the pistil connecting the stigma and the 



ovary. 



SUTURE. Aline of splitting or opening. 

 TERETE. Circular in cross section. 

 THROAT. The part between the proper tube and the limb of a gamopetal- 



ous corolla. 



THYRSE, OR THYRSUS. A compact panicle. 

 TOMENTOSE. Covered with tomentum. 

 TOMENTUM. Dense, matted wool-like hairs. 

 TRUNCATE. Ending abruptly as if cut off. 

 UMBEL. A flower-cluster, flat or convex, with all the pedicels arising from 



the same point. 



UMBELLATE. Borne in umbels ; resembling an umbel. 

 UNDULATE. With wavy margins. 

 VALVATE. Meeting by the margins ; not overlapping. 

 VEIN. One of the branches of the woody portion of leaves or other organs. 

 VEINLET. A branch of a vein. 

 VENATION. Arrangement of veins. 

 VERNATION. The arrangement of leaves in the bud. 



VERSATILE. Applied to an anther attached at or near its middle to the fila- 

 ment. 



VILLOUS. Covered with long, soft, shaggy hairs. 

 WHORL. A group of three or more similar organs at a node. 

 WING. Any thin expansion bordering or surrounding an organ. The lateral 



petal of a papilionaceous corolla. 

 WOOLLY. Clothed with long and matted hairs. 



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