INDEX AND GLOSSARY 



271 



Symbiosis, 197. 



Syminetr}', deviations from, through light 



adjustment (§ 113), 74. 

 Sympodium, 143. 

 Syngenesions, 135. 



Synonym. A superseded or unused name. 

 Systematic botany, 253. 



Teguments, 137. 



Teleutospore, 194. 



Temperature, influence on germination, 11. 



Tendrils, 54 ; sensitiveness, 55. 



Tension of tissues, 230. 



Terete. Cylindrical. 



Terminal. At or belonging to the apex. 



Ternate. In threes. 98. 



Testa, 152 ; outgrowths of, 145. 



Tetradynamous. Having four long and two 



shorter stamens. 135. 

 Tetraspore, ISl. 

 Tetragonal. Four-angled. 

 Text-books, 244, 255. 

 Thallophytes, 1G9. 

 Thalhis. In Cryptogams, acellular expansion 



taking the place of stem and foliage. 109. 

 Throat. The orifice of a gamopetalous co- 

 rolla. 

 Th)'rse. A contracted or ovate, and usually 



compact, panicle. 148. 

 Thyrsoid. Eesembling a thyrse. 

 Tissues, 221. 

 Tissue tension, 230. 

 Topics, supplementary, 12, 33, 35. 

 Tomentose. Densely pubescent, with matt cd 



wool. 

 Torose. Cylindrical, with contractions at 



intervals. 

 Torulose. Diminutive of Torose. 

 Torus. The i-eceptacle of a flower. 

 Transfer of plant food, 23G. 

 Transfer of water in plant, 232. 

 Translocation of organic substances (trans- 

 fer), 233, 236. 

 Transpiration (Exps. 13, 14, 15, 16), 66, 67. 

 Trees, Big, of California, 63 ; longevity of. 63. 

 Triandrous. Having three stamens. 135. 

 Trichogvne, ISl. 

 Trlchomes, 28, 229. 



Trifoliolate. Ha%ing three leaflets. 98. 

 Trigonous. Three-angled. 

 Trimorphous. Occurring under three forms. 

 Triquetrous. Having three salient angles, 



the sides concave or channeled. 

 Truncate. Ending abruptly, as if cut off 



transversely. 94. 

 Tuber. A thickened and short subterranean 



branch, having numerous buds or eyes. 50, 



59. 

 Tubercle. A small tuber or tuberlike body. 

 Tuberiferous. Bearing tubers. 

 Tuberous. Having the character of a tuber ; 



tuberlike in appearance. 

 Tumid. Swollen. 

 Tunicated. Having concentric coats, as an 



onion. 



Turbinate. Top-shaped ; inversely conical. 

 Turgidity (§ lOS), 73, 230 ; changes" of, 240. . 

 Twiners, 53. 



Ulothrix, 172. 



Umbel. An inflorescence in which a cluster 



of peduncles or pedicels spring from the 



same point. 140. 

 Umbellate. In or like an umbel. 

 Umbonate. Bearing a stout projection in 



the center ; bossed. 

 Undulate. With a wavy surface; repand. 



95. 

 Unguiculate. Contracted at base into a 



claw. 

 Unifoliolate, 98. 

 Unisexual. Of one sex, either staminate or 



pistillate only. 128. 

 Urceolate. Hollow and cylindrical or ovoid, 



and contracted at or below the mouth, like 



an urn. 

 Uredospore, 193. 

 Uti-icle. A small, bladdery, 1-seeded fruit ; 



any small, bladderlike bod)'. 



Vacuoles, 215. 



Valvate. Opening by valves, as a capsule ; 

 in a'stivation, meeting by the edges without 

 overlapping. 138. 



Valve. One of the i)ieces into which a cap 

 sule splits. 151. 



Vascular. Furnished with vessels or 

 ducts. 



Vaucheria, 158, 175. 



Vegetative propagation, 5S, 200. 



Veinlets, 77. 



Veins. Threads of filjro-vascular tissue in a 

 leaf or other organ, especially those which 

 branch (as distinguished from nerves). 

 77. 



Venation, 70 ; of leaf, 76. 



Ventral. Belonging to the anterior or inner 

 face of an organ ; the opposite of dorsal. 



Ventral suture, 114. 



Venus' s Flytrap, 88. 



Vernation. The arrangement of leaves in the 

 bud. 



Verrucose. Covered with wartlike eleva- 

 tions. 



Versatile (anther). Attached near the mid- 

 dle, and turning freely on its support. 135. 



Verticillate. Disposed in a whorl. 90. 



Vesicle. A small bladder or an air cavity. 



Vesicular, Vesiculose. Composed of or 

 covered with vesicles. 



Villous. Bearing long and soft hairs. 



Virgate. "Wand-shaped ; slender, straight, 

 and erect. 



VitaHty of seeds, 19. 



Water, in germination, 20. 



Water Mold, 161. 18S. 



Whorl. An arrangement of leaves, etc., in 



a circle round the stem, 90. 

 Wing. Anj' membranous or thin expansion 



