228 



Tram. Acad. Set. of St. Low 



Salix 60, 68, 168, i>L 7 



Salvia 65 



Salvinia (163,166) 



Sambucus 68 



Sanguinaria 69 



Sanicula 69 



Santalum 169 



Sapindus 172 



Schedonnar(!us 64-5 



Schrankia 65 



Scirpus 59, 66 



Scolocloa 209, 217 



Scrapta (47) 



Scrophularia 69 



Scutellaria 61 



Secale 200, 212, 214, 217-9, pi. 18 



Segmentina ?0 



Selenites (79) 



Senecio 60, 64 



Sequoia 164 



Setaria 200, 204, 217-9, pi. 18 



Sicyos 68 



Silene 65 



Silphiura 65 



Smilacina 69 



Smilax 68 



Solanum 64-5 



Solidago, 64-6, G8-9 



Somatogyrus 93 



Sophora 64 



Sorbus 29 



Sorghum 203, 217-8, 220, pi. 19 



Sparganiura 59 



Spartina 67 



Sphaerium 78-9 



Sphecodes 45 



Sphfnopteris 163 



Spiraea 178 



Spirodela 67 



Spirogyra 90 



Sporobolus 62, 64, 200, 207, 220, 



pi. 19 

 Stanley a 61 

 Staph} lea 68, 172 

 Stelis 48 

 Stenosiphon 60 

 Sterculia 172, 180, 188, pt. 14 

 StilliDgia 63 



Stipa 63, 65, 205-6, 217, 219. pi, 17 

 Strigula 197 

 Strobila (85) 



Strobilops 86 

 Strophitus 76 

 Strophostyles 62 

 Stylosanthee 65 

 Suaeda 66 

 Succinea 87 

 Syraphoricarpus 61, 68 



Tachea 85 

 Talinum 63 

 Taxodium 25, 164 

 Teucrium 69 

 Thalia xxiv 

 Thaspium 43 

 Thelesperma 64 

 Tfauites 164 



Tilia 27-8, 39, 68, 172, j'l- 9 

 Tillandsia 192, 196 

 Tmesipteris 163 

 Tragia 60 

 Triodia 62 

 Triosteum 69 

 Trisetuni 217 

 Triticura 200 

 pi. 18, 19 

 Typha 59, 73, 104 



201, 212-3, 217-220, 



UlmusC8, 168, jsL 8 

 Unio 76 (77), 78 

 Uniola 69 



Usnea xxv, 189, pi. 16 

 Utricularia 67 

 Uvularia 69 



Vaccinium 171 

 Vallonia 83 

 Valvata 93-4 

 Verbena 64-5, 69 

 Vernonia 66 

 Veronica 69 

 Vertigo 87 

 Viola G9 

 Vitis 68 

 Vitrea 80 

 Vitrina 82 

 Vivipara 94 



Weinmannia 171 

 Widdringtonia 164 

 Wolffia 58 



