416 



METHODS IN PLANT HISTOLOGY 



Thamnidium, 261 



Thermostat, Land's, 12 



Thuja, 344 



Tilia americana, 348 



Tolypothrix, 206 



Tradescantia virginica, root-tips, 349; 



reduction of chromosomes, 357 

 Trichia, 199 



Trillium, erectum, 29; T. sessile, mitosis, 



351, 357 

 Tropaeolum, 348 

 Tube length, 373 

 Turntable, U, 102 

 Turpentine, 40 

 TyVoses, 348 

 Typha, 211, 262; floral development, 



355 



U 



Ulothrix, 211, 232, 233 

 Uncinula, 262 

 Uredineae, 266 

 Urediniospore, 268 

 Uromyces, 273 

 Usnea, 265 

 Ustilagineae, 266 

 Utricularia, 215 



Verbena, 368 



Viciafaba, 29; root-tip, 349; secondary- 

 roots, 352; reduction of chromo- 

 somes, 357 



Voluox, 4, 211, 212, 213, 214, 216, 217 



W 



Washing, 23, 114 

 Washing delicate material, 25 

 Washing tubes (Dudgeon's), 24 

 Wash tub, 25 

 Wasserbliithe, 208 

 Watt's blade, 122 

 Welwitschia, 346 

 Wire coil, 16 



X 



Xylaria, 264 

 Xylol, 38 



Yamanouchi, schedule for root-tips, 21, 

 27; formula for mitochondria, 33, 

 151; schedule for Haidenhain's 

 haematoxylin, 47 



Yucca, 348 



Vacuoles, 5, 20 

 Vade-Mecum (Lee), 43 

 Vaucheria, 22, 212, 215, 230 

 Venetian turpentine, 106 



Zamia, 140, 322, 323, 329, 330 

 Zea mays, 348, 352, 370 

 Zeiss, 3 



Zygnema, 20, 212, 222, 2^4 

 Zygorhyncus, 255 



[PRINTED II 

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