224 GLOSSARY AND INDEX. 



Thyrse or Thyrsus, a compact and pyramidal panicle of cymes or cymules, 79. 



Tomentose, clothed with matted woolly hairs (tomtntum). 



Tongue-shaped, long and 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, 55. 

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

 Torose, Torulose, knobby; where a cylindrical body is swollen at intervals. 

 Torus, the receptacle of the flower, 81, 112. 

 Trachea, a spiral duct. 



Trachys, Greek for rough; used in compounds, as, Trachyspermous, rough-seeded. 

 Transverse, across, standing right and left instead of fore and aft. 

 Tri- (in composition), three; as, 



Triadelphous, stamens united by their filaments into three bundles, 99. 

 Triandrous, where the flower has three stamens, 112. 

 Tribe, 178. 



Trichome, of the nature of hair or pubescence. 



Trichotomous, three-forked. Tricoccous, of three cocci or roundish carpels. 

 Tricolor, having three colors. Tricostate, having three ribs. 

 Tricuspidate, three-pointed. Tridentate, three-toothed. 

 Triennial, lasting for three years. 

 Trifarious, in three vertical rows; looking three ways. 

 Trifid, three-cleft, 56. 



Trifoliate, three-leaved. Trifoliolate, of three leaflets. 

 Trifurcate, three-forked. Trigonous, three-angled, or triangular. 

 Trigynous, with three pistils or styles, 116. Trijugate, in three pairs (jugi). 

 Trilobed or Trilobate, three-lobed, 55. 



Trilocular, three-celled, as the pistils or pods in fig. 328-330. 

 Trimerous, with its parts in threes. Trimorphism, 117. Trimorphic or Trimor- 



phous, in three forms. 

 Trinervate, three-nerved, or with three slender ribs. 



Triacious, where there are three sorts of flowers on the same or different individ- 

 uals, as in Red Maple. A form of Polygamous. 

 Tripartite, separable into three pieces. Tripartite, three-parted, 55. 

 Tripetalous, having three petals. 

 Triphyllous, three-leaved; composed of three pieces. 

 Tripinnate, thrice pinnate, 59. Tripinnatifid, thrice pinnatel)' cleft, 57. 

 Triple-ribbed, Triple-nerved, &c, where a mi'drib branches into three, near the base 



of the leaf. 

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



bayonet. 

 Triserial, or Triseriate, in three rows, under each other. 



Tristichous, in three longitudinal or perpendicular ranks. 



Tristigmatic, or Tristigmatose, having three stigmas. 



Trisulcate, three-grooved. 



Triternate, three times ternate, 59. 



Trivial Name, the specific name. 



Trochlear, pulley-shaped. 



Trumpet-shaped, tubular; enlarged at or towards the summit. 



Truncate, as if cut off at the top. 



Trunk, the main stem or general body of a stem or tree. 



Tube (of corolla, &c), 89. 



Tuber, a thickened portion of a subterranean stem or branch, provided with eyes 

 (buds) on the sides, 44. 



Tubercle, a small excrescence. 



Tubercled, or Tuberculate, bearing excrescences or pimples. 



Tubmform, trumpet-shaped. 



Tuberous, resembling a tuber. Tuberiferous, bearing tubers. 



Tubular, hollow and of an elongated form ; hollowed like a pipe, 91. 



