252 CALIFORNIA ACADEMY OF SCIENCES 
Rubia, 146. 
‘RuBIACEAE, 143, 199, 217, 235, 245. 
Ruellia, 142, ro9. 
Ruppia, 29, 165, 218. 
RuTAckEAE, 81, 182, 215, 244. 
Salicornia, 53, 173, 218. 
Salvia, 135, 1096. 
Salvinia, 28, 164, 278. 
SALVINIACEAE, 27, 164, 243. 
SAPINDACEAE, 97, 187, 216, 244. 
Sapindus, 94, 98, 187, 216, 219. 
Scaevola, 147, 201, 218. 
Scalesia, 123, 156, 204, 207, 208, 209, 
217, 218, 219. 
Schinus, 81. 
Scirpus, 43, 44. 
Scleria, 44, 170, 213. 
Scleropus, 55. 
Sclerothrix, 107, 190. 
Scroparia, 141, 198. 
ScROPHULARIACEAE, 141, 198, 245. 
Senebiera, 68. 
Sesuvium, 64, 177, 214, 218. 
Setaria, 38, 168. 
Sicyos, 147, 201, 219. 
Sida, roo, ror, 103, 188. 
SIMARUBACEAE, 82, 182, 215, 244. 
Sinapis, 67. 
SoLANACEAE, 136, 196, 217, 235, 245. 
Solanum, 140, 198, 219. 
Sonchus, 159, 205. 
Spermacoce, 145, 146, 200. 
Spilanthes, 159, 205. 
Sporobolus, 39, 168, 213, 218. 
Stachytarpheta, 134, 196. 
Stenotaphrum, 40, 168. 
STERCULIACEAE, 104, 189, 244. 
Stipa, 40, 168. 
Stylosanthes, 78, 18r. 
Tagetes, 159, 205. 
Tardavel, 143. 
Tecoma, 142, 198. 
Telanthera, 56, 175, 207, 208, 214. 
Tephrosia, 78, r8r. 
Tetramerium, 142, 199. 
Teucrium, 135, 106. 
Thinogeton, 137. 
TILIACEAE, 99, 187, 244. 
Tillandsia, 45, 170, 208, 209, 213, 218. 
Tournefortia, 129, 195, 208, 200, 217. 
Trachypteris, 27, 164, 208, 200, 2rr. 
Trianthema, 64, 177. 
Tribulus, 80, 182, 219. 
Trichomanes, 21, 27, 164. 
Tripsacum, 29. 
Triumfetta, 99, 187. 
Turnera, 105, 189. 
TURNERACEAE, 105, 189, 244. 
UMBELLIFERAE, 120, 102, 244. 
Urera, 51, 173, 209, 214. 
Urtica, 51. 
UrTIcaceEsE, 50, 172, 213, 214, 243. 
Usnea, 84. 
Valantia, 146. 
Vallesia, 121, 192. 
Verbena, 134, 106. 
VERBENACEAE, 131, 105, 217, 235, 245. 
Verbesina, 149. 
Vigna, 79, r8r. 
Vilfa, 30. 
Vincetoxicum, 122. 
Viscum, 52. 
VITACEAE, 99, 187, 244. - 
Vitis, 99, 187. 
Vittaria, 27, 164. 
Waltheria, 104, 189, 207, 208. 
Zanthoxylum, 23, 29, 52, 80, 182, 208, 
209, 215, 219. 
Zornia, 79, r8r. 
ZYGOPHYLLACEAE, 80, 182, 244. 
New Species, ForMs, AND VARIETIES DESCRIBED 
Amaranthus sclerantoides forma abingdonensis, 54. 
Amaranthus sclerantoides forma albemarlensis, 55. 
Brachistus pubescens, 137. 
Cissampelos galapagensis, 66. 
[Proc. 4TH Ser. 
Croton Scouleri var. glabriusculus, 89. 
Erigeron lancifolius var. glabriusculus, 151. 
Erigeron tenuifolius var. tomentosus, 152. 
Euphorbia articulata var. bindloensis, 91. 
Euphorbia equisetiformis, 91. 
Euphorbia Stevensii, 92. 
Opuntia insularis, 113. 
Peperomia obtusilimba C. DC., 49. » 
Peperomia Stewartii C. DC., 49. 
Scalesia cordata, 156. 
Scalesia villosa, 158. 
Scalesia villosa var. championensis, 159. 
Telanthera galapagensis, 57. 
