270 



INDEX 



Sub-opposite buds 31 



Sub-petiolar buds 25 



Subulate leaf 141 



Suckers 36, 39 



Sugar Cane 84 



Sumach 211 



Superficial periderm 94, 96, 98 



Superposed buds 26, 30, 34, 36, 



37 



Suppressed buds 23, 29 

 Surface of bud-scales 27 

 Surface characters of twigs 99, 107, 



124 



Sweet Briar 202 

 Sweet Gale 33, 53, 110, 111, 116, 



117, 125, 234 

 Swelling of bud 64 

 Swiss Pine 134 



Sycamore 29, 30, 53, 54, 57, 59, 63, 

 68, 109, 111, 112, 114, 115, 117, 



118, 155, 156 

 Symphoricarpos 30, 37, 53, 108, 



109, 110, 116, 117, 119 

 S. racemosa 33, 173 

 Sympodia 113, 115 

 Syringa 115, 123 

 Syr ing a 37 

 S. vulgar is 157 



T-shaped hairs 89, 90 



Tamarisk 63, 110, 111, 116, 121, 



123, 142, 206 

 Tamarix gallica 206 

 Tawny twigs 109 

 Taxus baccata 138 

 Tea-leaved Willow 253 

 Tegumentary system 81, 94 

 Tendril 43, 124, 162 

 Tendril-climbers 124, 129, 162 

 Tentacles 92 

 Terminal buds 6, 7, 13, 23, 28, 30, 



64, 68, 114, 133, 137, 159 

 Texture of bud-scales 14, 16, 27 

 Theoretical diagrams 41, 46, 48 

 Thorns 76, 80, 92, 113, 122, 124, 



127, 128, 159, 189 

 Three-needled pines 134 

 Three-ranked buds 32 

 Thrusts of expanding leaves 64, 65 

 Thuja 63 

 T. gigantea 142 

 Tilia 48, 177 



T. europaa 186 



T. grandifolia 187 



T. parviftora 187 



Tomentose hairs 88, 126 



Tradescantia 90 



Transition of scales to leaves 9, 16 



Transition of shoots 76, 79 



Transitional arrangements of bud- 

 scales 49, 55, 58 



Transitional bud-scales 16, 27, 49, 

 50 



Transverse sections of buds 41, 45 



Traveller's Joy 162 



Tree of Heaven 211 



Trichome 92 



Tufted hairs 90 



Tulip Tree 60 



Turkey Oak 117, 216 



Twigs 3, 7, 8, 64, 71, 107 



Twining plants 124, 129, 162 



Two-needled Pines 134 



Two-ranked buds 32 



U-shaped leaf-scars 117 



Ulex europceus 145, 190 



U. nanus 145, 190 



Ulmus 25, 27 



U. campestris 109, 180, 181, 182, 



184 



U. effusa 180, 182, 184 

 U. montana 182, 183, 184 

 U. suberosa 180 

 Unarmed plants 147, 150 

 Unicellular hairs 86, 88 

 Urtica 90 

 Urticacece 91 

 Utricularia 92 



V-shaped leaf- scars 117 

 Variations in development of 



shoots 76 



Variations in growth 64, 73 

 Vascular tissues 102 

 Velvety hairs 86, 88, 90, 126 

 Venation 100 

 Verbascum 88, 90 

 Vertical sections of bud 64, 65 

 Verticels 31 

 Vesicular hairs 91 

 Vessels 100, 102 

 Viburnum 59, 118 

 V. Lantana 27, 50, 70, 96, 165 



