136 



INDEX. 



Rhizome, 19 

 Root-hairs, 14 

 Root pressure, 77 

 Roots, 14 

 Root tubercles, 79 

 Rotate, 40 

 Ranner, 19 

 Rusts, 95 



Saccate, 42 

 Saccharomyoes, 93 

 Sagittate, 28 

 Salisburia, 113 

 Salverform, 41 

 Sarracenia, 24 

 Schizophytes, 90, 93 

 Sclerotium, 91 

 Scouring Rushes, 103 

 Seeds, 90 



Seed-leayes, 11, 23 

 Seedlings, 10 

 Seed-plants, 89, 90 

 Self-pollination, 47 

 Separative layer, 82 

 Serrate, 30 



Sexual generation, 99,101 

 Sexual reproduction, 94 

 Siam hemp, 126 

 Sigillaria, 111, 113 

 Silicle, 59 

 Silicon, 79 

 Silique, 59 

 Silk cotton, 123 

 Silurian Era, 110 

 Siphonia, 121 

 Slime moulds, 90 

 Sodium, 79 

 Soil, 15 

 Sorus, 102 



Southern Division, 118 

 Spadix, 35 

 Spatulate, 28 



Species, 87 

 Spermatia, 96 

 Spermatozoids, 99, 101 

 Spermogonia, 96 

 Spike, 35 

 Spines, 19, 24 

 Spirillum, 92 

 Spirogyra, 93 

 Spirophyton, 112 

 Sporangium, 99 

 Spores, 90 

 Spore-plants, 90 

 Sporidia, 97 

 Sporophyte, 99 

 Sports, 88 

 Starch, 66, 80 

 Stem, 19 

 Stigma, 43 

 Stigmaria, 113 

 Stipa, 126 

 Stipule, 26, 32 

 Stolon, 19 

 Stomate, 28 

 Style, 43 

 Sulphur, 79 

 Sundew, 81 

 Superior, 42 

 Sweet flag, 129 

 Symbiosis, 99 

 Symmetrical, 40 



Tanning babks, 127 

 Tea, 129 



Teleutospores, 129 

 Temperature, 83 

 Tendril, 19 

 Tertiary period, 114 

 Tetradynamous, 43 

 Thallophytes, 90 

 Theobroma, 131 



Thorn, 19 

 Toadstools, 95 

 Tobacco, 130 

 Transpiration, 74 

 Tree fern, 112 

 Triadelphous, 43 

 Triassic Era, 113 

 True roots, 102 

 Truncate, 29 

 Tubular, 41 

 Turmeric, 129 

 Turpentine, 119 



Umbel, 35 

 Undulate, 30 

 Unsymmetrical, 40 

 Urceola, 121 

 Uredo, 96 

 Uredospores, 96 

 Uromyces, 97 



Vahea, 121 



Vanilla, 132 



Variety, 87 



Vascular Cryptogams, 



101 

 Vegetative reproduction, 



94 

 Venetian turpentine, 120 

 Verticillate, 26 



Watee, amount of, 74 

 Water cultures, 77 

 Water of organization, 74 

 Water of vegetation, 74 

 White rope, 12G 

 Wood, 20, 70, 129 



Yeast plant, 93 



zooglcea, 92 



