igo 



INDEX. 



Receptacle, 148 

 Reference reading, 10 

 Reproduction, i 

 Resin-ducts, 133 

 Rhizome, 108 

 Rhizoids, 56 

 Rhizopus, 55 

 Rhodophyceae, 54 

 Riccia, 80 

 Ricciales, 80 

 Ricciocarpus natans, 80 

 Rivularia, 21 

 Root-cap, 108 

 Rosaceae, 159 

 Rudbeckia, 167 



Salicaceae, 159 

 Sclerenchyma, 109 

 Scouring rush, 117 

 Seed, 144 

 Selaginella, 7, 122 

 Selaginellaceae, 122 

 Sepal, 147 

 Seta, 102 



Seward, A. C., 121 

 Shepherd's-purse, 159 

 Sieve-cells, 134 

 Silphium, 167 

 Sinapis, 62 

 Sisymbrium, 62 

 Small, J. K., 12 

 Smith, Grant, 73 

 Sodium hydroxid, 2 

 Solidago, 167 

 Solonaceae, 159 

 Sorus, 63, 109 

 Sperm, 48 



Sperm mother-cells, 82 

 Spermatophytes, 122 

 Spirogyra, 38 

 Sporangiophore, 56 

 Sporangium, 56 

 Spore, 31 

 Sporocarp, 125 

 SpOfOgGDOUS, 83 

 Sporogonium, 82 

 Sporophylls, 118 

 Sporophytes, 80, 83 

 Stamen, 137 

 Staminate, 130 



Sterigma, 60 

 Stele, 149 

 Stevens, F. L., 65 

 Stigma, 148 

 Stipe, 59 

 Stoma, in, 136 

 Strasburger, E., 12 

 Strobilus, 123 

 Style, 147 

 Sunflower, 167 

 Suspensor, 125 

 Synergids, 153 

 Syngenesious, 169 

 Synthol, 2 



Tables, 2 

 Taraxacum, 167 

 Tetradynamous, 165 

 Text-books, n 

 Thallophytes, 16 

 Toad-stools, 59 

 Tracheae, 140 

 Tracheids, 133 

 Trichogyne, 52 

 Trillium, 7, 145 

 Tube nucleus, 152 

 Turgidity, 26, 27 



Ulothrix, 29 

 I'mlH'lliferae, 159 

 Underwood, L. M., 12 

 Usnea barbata, 79 



Valves of capsule, 94 



Vascular bundles, 109, 133 



Vaucheria, 46 



Vegetative reproduction, 18 



Veil of toadstool, 60 



Venation, 109 



Venter, 89 



Ventral canal cell, 81 



Wake-robin, 145 

 Williams, J. L., 54 



Zea mais, 149 

 Zoosporc, 20 

 Zygnema, 43 

 Zygospore, 33 



