GLOSSARY. 



405 



Torulose. Cylindrical with contrac- 

 tions at intervals. 



Tridentate. Having three teeth. 



Trigonous. Having three angles or 

 corners. 



Truncate. Ending abruptly as if cut 

 off squarely. 



Tuheriferous. Bearing tubers. 



Turbinate. Top-shaped; inversely 

 conical. 



Turgid. Swollen; distended by pres- 

 sure from within. 



Umbellate. In umbels or like an 

 umbel. 



Unguiculate. Contracted at the base 

 into a claw. 



Unisexual. Having but one sex; in 

 flowering plants, with either but not 

 both stamens or pistils. 



Urceolate. Urn-shaped. 



Utricle. A small bladder-like one- 

 seeded fruit. 



Vascular. Having woody bundles. 



Velum. The membrane partly cov- 

 ering the sporangium in the leaf of 

 Isoetes. 



Ventral. Belonging to the anterior 

 or inner face of an organ; the op- 

 posite of dorsal. 



Verticillate. Arranged in a whorl. 



Villous. With numerous long and 

 soft hairs. 



Virgate. Wand-shaped ; slender, 

 straight, erect. 



Viscid. Glutinous, sticky. 



Whorl. Leaves or other parts ar- 

 ranged in a circle of three or more at 

 the same node. 



ZygomorpJiic. Bilaterally symmetric- 

 al; that is, capable of being divided 

 symmetrically in but one plane. 



