Index to Genera and Ch'ders. 



323 



Spieeia C166) 



Spirifer 17-19, 47-8, 61. pi. 4 



Spiriferina 19 



Spirogyra 123-4 



Spirophyton 10, 46, 51. pi. 6 



Sporobolus 30 



Sterculia 102, 124, 262-3. pi. 31, 



35 

 Sterculiaceae 101, 119, 124 

 Straparollus 43, 51. pi. 5. 

 Strophostyles 96, 112, 194,220,261, 



ilZ.pl. 21 

 Strychnos 121 

 Stylosanthes 94, 175, 177, 179, 219, 



261, 212.pl. 22 

 Swartzia 128 

 Symphytum 120, 123-4 

 Syringothyris 20, 47-9, 51. pi. 4 



Tamaricaceae 131 



Tamarindus 120-122, 124, 128-9, 



212, 221,263, 268. ;>;. 33 

 Taraxacum 3-5, 8 

 Tepbrosia 158, 218, 259, 262, 266, 



270. i3i. 12, 19,29 

 Tetragonolobus 123, 141, 144, 151 

 Theaceae 132 

 Theobromaceae 124 

 Thermopsis 135-6, 217, 258. pi. 7 

 Thnjopsis 298 



Tilia 100, 101, 123, 262-3. pi. 32, 35 

 Tiliaceae 101, 124 

 Tremandraceae 131 

 Triboloceras 45, 47-9, 51, pi. 5 



Trifolium 92, 94, 97, 111, 118-9, 128- 

 5, 128, 131, 144, 161, 217, 223, 268. 

 pi. 9 



Trigonella 92-4, 118, 144 



Trillium 125 



Tropaeolum 121-2, 124, 263. pi. 34 



Tropidiscus (39) 



Tropidocyclus (39) 



Tropidodiscus 39, 47-9, 51. pi. 5 



Troximon 3, 4, 8 



Urtica 12 1 



Usnea 121 



Vacciniom 87 



Vaucheria 300 



Vernonia 3-5 



Vicia 91-3, 97-8, 111, 114, 117-8, 

 127, 129, 131, 180, 219, 223, 259, 

 261, 264, 266, 272. pi. 16, 26 



Vigna 195, 220, 260, 263-4, 273. pi. 

 20, 33-5 



Violaceae, 92, 131 



Viscum 123, 127 



Welwitschia 94 



Wistaria 97, 1 13, 163, 218, 269. pi. 14 

 Woodsia 286, 288 



Xanthinm l, 7 



Zamia 291 



Zaphrentis 11 

 Zea, 119, 127 

 Zizyphus, 106, 262. pi. 5i 

 Zornia 177, 179,219. 



Issued January 24, 1900. 



