393 
Stephanodiscus Astraea 17, 24. 
Stephanodiscus Astraea var. 
minutulus 24. 
Stephanodiscus Astraea var. 
spinulosus 22—24. 
Stephanodiscus Hantzschianus 
20. 
Stephanodiscus Hantzschii 20, 
2724 
Taxus 276, 280, 304—306, 324. 
Taxus baccata 318. 
Taxus baccata var. adpressa 
283. 
Taxus baccata var. Dovastoni 
283. 
Taxus baccata var. elegantis- | 
sima 283. 
Taxus baccata var. fastigiata | 
283. 
Taxus baccata var. hibernica 
283. 
Taxus baccata var. 
talis 283. 
Taxus baccata var. pendula 283. 
Taxus baccata var. pyramidalis 
283. 
Taxus canadensis 314. 
Taxus cuspidata 283. 
Taxus disticha 283. 
Taxus tardiva 281, 283. 
Telangium 226, 309, 312. 
Telangium Scotti 225, 312. 
Thalassiosira 4, 5, 8. 
Thalassiosira baltica 2, 4—9, 12. 
horizon- 
Stephanodiscus Hantzschii var. 
pusillus 22. 
Stiles, Walter 320. 
Stopes, Marie C. 243, 244, 
248,249, 302, 307, 320. 
Strasburger, Ed. 223, 252, 268, 
276, 286, 289, 290, 293, 305, 
320. 
Sykes, M. G. 290, 291, 297, 320. 
| Thalassiosira baltica var. batava 
7—9, 
Thalassiosira baltica var. flu- 
viatilis 9. 
Thalassiosira bioculata 5. 
Thalassiosira decipiens 5. 
Thalassiosira gravida 5. 
Thalassiosira hyalina 5. 
Thalassiosira Nordenskjôldii 5. 
Thoday, Mary G. Sykes— 
287, 288, 320. 
Thoday, M. G. & Berridge, 
E. M. 284, 320. 
Thomson, R. B. 271, 320. 
Thuya 266, 304, 309. 
Thuya occidentalis 266, 324. 
Tieghem, M. Ph. van 221, 
268, 286, 320. È 
Aison, À°°271 320. 
Torreya 272, 275—277, 279, 
283, 304—306. 
Torreya nucifera 277—279, 324. 
Torreya taxifolia 314. 
| Traube, J. & Marusawa, T. 
44, 06. 
