226 



INDEX AND GLOSSARY. 



Tetrandrous : having four distinct 

 stamens. 



Thalamiflorous : having the sta- 

 mens inserted on the receptacle. 



Thalamus : the receptacle. 



Thalloid (Liverwort), 344. 



Thallophytes, 356. 



Thallus, 352, 



Theca, 341. 



Thread-shaped, see Filiform. 



Throat (of calyx), 206. 



Thorn, see Spine. 



Thyrse, 192. 



Tissue, 285. 



Tissue-systems, 291. 



Tomentose: woolly. 



Toothed, see Dentate, 112. 



Torus : same as receptacle, 216. 



Tracheary tissue, 287. 



Tracheids, 290. 



Trailing, 149. 



Transpiration, 313. 



Tree, 148. 



Triadelphous, 40, 212. 



Triandrous : having three distinct 

 stamens. 



Trichomes, 131, 226, 292. 



Triennial : lasting three years. 



Trifoliolate : having three leaflets, 

 180. 



Trimerous flowers, 196. 



Truncate, 177. 



Trunk : the main stem. 



Tube, 34, 128. 



Tuber, 151. 



Tuberous : like a tuber. 



Tubular, 208. 



Tunicated, 92. 



Twining, 150. 



Two-lipped, see Labiate. 



Types, 27. 



Umbel, 58, 189. 



Umbellet : a secondary umbel. 



Unguiculate : having a claw. 

 Unilocular, 219. 

 Urn, 341. 



Vacuoles, 260. 



Valvate : edge to edge, but Hot 



overlapping, 38, 210. 

 Valve, 46. 



Valved : having valves. 

 Varieties, 364. 

 Vascular cryptogams, 337. 

 Vascular tissue, 287. 

 Veil, 347. 

 Veins : the finer parts of the 



framework of a leaf. 

 Venation, 168. 

 Ventral suture, 217. 

 Vernation, same as Prsefoliation, 



166. 



Versatile, 102, 211. 

 Vertical leaves, 88, 157. 

 Verticillate, 158. 

 Verticillaster, 193. 

 Vessels, 287. 

 Villose, 182. 

 Volatile oils, 281. 



Water in the plant, 306, 315, 316. 

 Wavy : with alternate rounded 



hollows and projections, 178. 

 Wedge-shaped : like a wedge, the 



broad part being the apex. 

 Wheel-shaped, see Eotate. 

 Whorl : a circle of three or more 



leaves at the same node, 23, 120, 



158. . 



Wing, 75, 124, 241. 

 Woody stems, 148. 



Xylem, 295. 

 Zygomorphic flowers, 203. 



