GLOSSARY OR DICTIONARY OF BOTANICAL TERMS. 



55 



Tap-root, a root with a stout tapering body, 

 Fig. 10, p. 4. 



Tegmen, the inner seed coat. 



Tendril, a modified branch or leaf used for 

 climbing. 



Terminal bud, the bud terminating the 

 main stem or a growing branch, p. 10. 



Ternate, in threes. 



Testa, the external seed-coat, p. 44. 



Tetradynamous, having six stamens, two 

 of them shorter than the others. 



Thickened fascicled roots, Fig. 11, p. 5. 



Throat, the point where the tube and limb 

 of a monosepalous calyx or monopetal- 

 ous corolla meet, pp. 31, 32. 



Thyrse, an ovoid panicle, p. 26. 



Trailing stem, one which runs over the sur- 

 face of the ground or other objects. 



Trees, woody plants of a greater height 

 than twenty feet, p. 12. 



Tri-pinnate, thrice pinnate. 



Truncate, cut off. 



Tube, the undivided portion of a mono- 

 sepalous calyx or monopetalous corolla, 

 pp. 31,32. 



Tuber, a thickened, bud-bearing portion of 

 a subterranean stem, p. 12. 



Twining stem, one which climbs by twin- 

 ing about some support, p. 10. 



Umbel, an umbrella - like inflorescence, 

 Figs. 41, 42, p. 26. 



Umbellet, a secondary umbel, p. 28. 



Uncinate, hook-shaped. 



Unequally pinnate, with leaflets in pairs 

 surmounted by an odd terminal one, 

 Fig. 30, p. 21. 



Unguiculate, furnished with a claw. 



Unisexual, having stamens or pistils only. 



Utricle, an achenium with a loose, blad- 

 dery pericarp. 



Valvate, opening by valves. 



Valve, one of the parts of a dehiscent pod 



or similar body which opens. 

 Varieties (of plants), p. 47. 

 Veinlets (of leaves), p. 17. 

 Veins (of leaves), p. 17. 

 Venation, the veining of leaves, p. 17. 

 Ventricose, inflated on one side. 

 Verrucose, warty. 

 Versatile (anther), attached at its middle so 



as to turn easily, p. 33. 

 Verticil, a whorl. 

 Verticillate branches, p. 10. 

 Vessels (or ducts), Fig. 23, p. 14. 

 Vexillum, the standard of papilionaceous 



flowers. 

 Villose, shaggy with long, soft hairs. 



Wood, Figs. 22, 23, p. 13. 



Woody, having the texture of wood, p. 12. 



