APPENDIX 471 



(ilTwmbers refvr to paragraphs.) 



Terminoiogy. The subject or study of terms or names. 



Ternate. Parts in threes: said chiefly of leaves. 96. 



Tetramerous. Parts in fours. 246o. 



Thallophyte. Name applied to the low orders of flowerless plants, designating 



those which, as a class, have no proper differention of axis (and therefore 



no detaching leaves), or of vascular tissue, includes algsB, lichens and 



fungi. 437a. 

 Thyrse. A dense or contracted panicle. 226. 

 Torus. Beceptacle. 166. 

 Tree. A ligneous perennial plant with a central shaft or trunk, and a more 



or less elevated head. 494. 

 Trifld. With three clefts or parts. 104c. 

 TrifoUolate. With three leaflets. 104a. 

 Trilocular. 3-locilled: 3-celled. 157a. 

 Trimerous. Parts in threes. 246a. 

 TrimorpMe, trimorphous. "Three-formed"; used to designate the fact of 



three different relative lengths of stamens and pistils in different flowers 



of the same kind. 277a. 

 Tripalmate. Thrice palmate. 1046. 

 Tripinnate. Thrice pinnate. 104&. 

 Trisect. With three segments. 104c. 

 Triserial. A term proposed in this book to designate flowers which contain 



all the series except calyx, — gynoecium, androecium, corolla. 152a. 

 Tritemate. Thrice ternate. 1046. 

 Truncate, The end squared, as if cut off. 132. 

 Tuber. In this dook, a prominently thickened and homogeneous, and usually 



subterranean, portion of a root or stem which does not increase itself and 



the plant by means of direct offshoots or accessions. 4566. 

 Tubercle. Crown-tuber. 457. 



Tunicated. Covered with enclosing or concentrie plates. 441. 

 Umbel. A corymbose flower-cluster in which the pedicels start from the 



same point, or approximately the same point. 219. 

 Umbellet. A secondary umbel: a small umbel in a compound umbel. 219a. 

 Cnifoliolate. With one leaflet. 104a. 

 Unilocular. 1-loouled: 1-celled. 157a. 

 Uniserial. A term proposed in this book to designate flowers which have only 



the gynoecium. 152o. 

 Unisexual. Of one sex: containing only stamens or pistils. 152c. 

 Vaginate. Sheathing. 122. 



Valvate. Edges meeting (63a) : also opening by lids or doors or valves 

 Valve. Que of the parts or pieces of a dehisced pod, 



