1 52 GLOSSARY. 



Transverse. "When seed vessels run parallel witli the midrib, or margiu 



of the frond. 

 Tripinnate. Thrice pinnate. 

 Triquadripinnate. Three times quadripinnate. 

 Truncate. Terminating abruptly. 

 Unilateral. On one side- 

 Unilocular. With onlj^ one cell. 

 Uniserial. A single row. 

 Venation. The arrangement of veins. 

 Venation- circinate. When the veins are rolled inwards from the summit 



towards the base. 

 Venule. A veinlet. 

 Viviparous. Having the property of reproducing plants on the fronds 



independent of the seed vessels. 



