194 
Syngenesious, 95, 126 
Synpetalous, 87 
Synsepalous, 84 = 
TAIL, 124 
Tangential, 30 
Tapeworm, 4 
Taproot (see Root) 
Tare, 6 
Teasel, 112, 170 
Teeth, 58, 59, 86, 89, 90, 137, 138 
Telegraph plant, 73 
Ten, 93, 95, 103 
Tendril, 25-26, 27, 45, 61, 62, 64; t. climbers, 
25-26, 43, 61 
Tension, 40, 127 
Tentacle, 61, 73 
Terminal, 157 
Ternate, 61 
Ternately-parted, 63 
Tertiary, leaflet, 61 
Test-tube, 69 
Tetradynamous, 94, 123, 167 
Texture; of corolla, 91 ; of lamina, 62, 157; 
of root, 156; of scale-leaf, 157; of se- 
pal, 86; of sheath, 157; of stem, 41, 
+156; of stipule, 64, 157; of wood, 38 
Thalamiflore, 164, 166-168 
Thickening (see Growth in thickness) 
Thickness; of root, 13, 14; of stem, 24 
Thirteen-ranked, 51 
Thistle, 46, 78, 89, 95, 111, 122; 142 
Thorn, 27, 28, 41, 67, 111 
Thorn-apple, 169 
Three, 83, 86, 88, 93, 94, 98, 100, 104, 117, 
126, 138, 163 
Three-ranked, 50 
Three-rayed, 80 
Three-sided (see Triangular) 
Thrift, 105 
Throat, 89 
Thyme, 129, 169 
Thyrsus, 80 
Timber, 38 
Tissues, 8; Classification of, 17; conduct- 
ing t., 107, 114; formative t., 17, 32 
(see also Cambium and Growing point) ; 
fundamental (see Ground tissue); 
ground t., 14, 17, 28, 29, 30, 31, 36, 40, 
43, 64, 65, 66, 98, 107; mechanical or 
supporting t., 41; permanent t., 17; 
vascular t., 16, 17, 18, 19, 28, 29, 30, 36, 
41, 66, 91, 98, 107, 111, 163 
Toadflax, 90, 122, 128, 169 
Tobacco plant, 169 
Tomato, 169 
Tomentose, 28 
Torus (see Floral receptacle) 
Trachee, 35, 43 
Tracheide, 35, 41, 66 
Trailing, 54 
Transmitted light, 172 
Transpiration, 69-71, 173 > 
Transverse, 128; eooeropiam: 73; helio- 
tropism, 73 
Tree, 23, 25, 37, 38; 41, 46, 49, 54, 64, 68, 
116, 160, 166 
Trefoil (see Bird’s-foot trefoil) 
Triadelphous, 95 
Triangular, 23, 52 
Trichomes (see Hairs) 
Trifurcation, 6x 
INDEX. 
Trimorphic, 125 
Tripinnate, 61 
Triternate, 61 
Tropical, 88 
True fruits, 135, 136-139 
Trunk, 23, 25, 38, 42, 49 
Tube, 84, 85, 87, 89, 95, 1273; Of microscope, 
171, 172 
Tuber, 26, 44, 160; root tubers, 14, 19 
Tuberous, 156, 166 
Tubular, 55, 84, 85, 89, 157 
Tulip, 21, 75, 76, 86, 98, 104, 120, 138 
Tulip-tree, 160 
Turgid, 9 
Turgidity, 9, 32, 69, 70 
Turnip, 13, 14, 167 
Turnip-shaped, 156 
Twig, 40, 46, 54 
Twining, 25, 44 
Twisted, 55, 89, 166 
Two, 61, 84, 86, 87, 88, 93, 94, 96, 97, 98 
100, 104, 106, 124, 136, 137, 138 
Two-ranked, 50, 55, 
Two-rayed, 79 
U 
UMBEL, 78, 79, 169 
Umbelliferee, 79, 119, 169 
Umbrella, 67, 78 
Unbidden guests, 111-113, 119, 129 
Undershrubs, 23, 168 : 
Undifferentiated, 55 
Uniaxial, 75 
Unicellular, 8, 28, 72 
Unilocular, 104, 105, 106, 139 
Union ; of foliage-leaf margin, 55 ; of lobes, 
58 (see Adhesion and Cohesion) 
er 98, 99, 115, 116, 118, ret, 154, 
I 
Units of structure, 5 
Unsymmetrical, 55 
Urceolate, 89, 123 
Urn-shaped, 89 
Urticacez, 166 
Utricularia, 62 
Vv 
VACUOLE, 8, 32, 72 
Vacuolized, 32 
Vallisneria, 71, 115 
Valvate, 84, 161 
Valve, 62, 137 
Valvular, 97 
Vapour, 69 
Variegated, 62 
Vascular, 16} 
Vascular cylinder (of root), 14, 16 
Vegetable marrow, 25, 28, 36, 95, 101 
Vegetative, 17, 71, 74 
Veinlet, 56 
Veins, 55-57, 63, 65, 91, 104 
Venation, 55-57; 157 
Ventral, 103, 107 
Ventral suture, 102, 104, 106, 107, 137 
Venus’ fly-trap, 61, 73 
Verbena, 93 
Vernation (see Prefoliation) 
Versatile, 96, 117, 118 
Vertical, 54, 55, 68, 70, 128 156, 157 
Verticillaster, 157, 180 
Vessel, 16, 33-34, 41 (see Tissue, vascular); 
