GLOSSARY. 



Testa : the outer (and usually the harder) coat or shell of the seed. 



Tetra- (in words of Greek composition): four,- as, 



Tetracdccous : of four cocci or carpels. 



Tetradt/namous : where a flower has six stamens, two of them shorter than 



the other four, as in Mustard. 

 Tetrdgonal : four-angled. Tetrdgynous : with four pistils or styles. 

 Tetrameroiis : with its parts or sets in fours. 

 Tetrandrous; with four stamens. 

 Theca : a case ; the cells or lobes of the anther. 

 Thorn : see spine. 

 Thread-shaped: slender and round, or roundish like a thread ; as the filament 



of stamens generally. 

 Throat : the opening or gorge of a monopetalous corolla, &c., where the bor- 

 der and the tube join, and a little below. 

 Thyrse, or Thyrsus : a compact and pyramidal panicle. 

 Tdmentose : clothed with matted woolly hairs (tomentum). 

 Tongue-shaped : long, flat, but thickish and blunt. 

 Toothed : furnished with teeth or short projections of any sort on the margin ; 



used especially when these are sharp, like saw-teeth, and do not point 



forwards. 

 Top-shaped : shaped like a top, or a cone with its apex downwards. 

 Tdrose, Tdrulose : knobby ; where a cylindrical body is swollen at interval*. 

 Torus: the receptacle of the flower. 

 Tri-, in composition : three ; as 



Triadelphous : stamens united by their filaments into three bundles. 

 Tridndrous: where the flower has three stamens. 



Trichdtomous : three-forked. Tricdccous : of three cocci or roundish carpels. 

 Tricolor: having three colors. Trioistate: having three ribs. 

 Triciispidate: three-pointed. Trid€ntate: three-toothed. 

 Triennial: lasting for three years. 

 Tiifid: three-cleft. 



Trifoliate: three-leaved. Trifdliolate: of three leaflets. 

 Triforcate: three-forked. Trigonous: three-angled, or triangular. 

 Trigi/nous: with three pistils or styles. Trijugate : in three pairs (jugi). 

 Trildbed, or Trilobate : three-lobed. 

 Trildcular: three-celled. 



Trimerous: with its parts in threes, as Trillium. 

 TrinSrvate : three-nerved, or with three slender ribs. 

 Tricecious : where there are three sorts of flowers on the same or different 



individuals ; as in Red Maple. 

 Triphfilous : three-leaved ; composed of three pieces. 

 Triptnnate : thrice pinnate ; Tripinndtifid : thrice pinnately cleft. 

 Triple-ribbed, Triple-nerved, &c. : where a midrib branches into three near 



the base of the leaf, as in Sunflower. 

 Triquetrous : sharply three-angled ; and especially with the sides concave, like 



a bayonet. 

 Tris&ial, or Triseriate: in three rows, under each other. 

 TrisUchous: in three longitudinal or perpendicular ranks. 

 Tristlkate : three-grooved. 

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