532 



MANUAL OF BOTANY 



Trichogyue, 37, 50, 70, 82 

 Trypsin, 456, 457 

 Tullen=thyloses 

 Turgesceuce, 413 



TJredospores or uredogonidia, 88 



Vacuole, formation of, 410 



— contractile, 508 

 Vallecular caTities, 151 

 Varieties or sub-species, 2 

 Vegetative reproduction, 512 



in Cyanopliyceae, 39 



Lichens, 97 



Fungi, 73 



Liverworts, 105, 110 



— Mosses, 116 



Pt-eridophyta, 125 



Velum partiale, 91 



— universale, 92 



Vernation. The arrangement of the 

 foliage leaves iu the bud 



Santhophyll, 441, 464 

 Serophilous plants, 480 



Zooaenocyte. A free-swimming cceno- 

 cyte, 59 



Zoogloea, 75 



Zoogonidia or zoo^ores. Asexual repro- 

 ductive cells with cilia but no cell- 

 wall 



Zoophilous, 519 



Zygomorphic flowers. Those which can 

 be divided into two precisely similar 

 halves by a vertical section in one 

 plane only 



Zygospore. Tlie body produced by the 

 coalescence of two similar gametes 



Zygote. The body produced by the pro- 

 cess of fertilisation or conjugation. 

 It may be a zygospore or an oospore 



