1907] 



Hall. Compositae of Southern California. 



295 



PAGE 



aristata 173 



coronaria 173 



mutica 173 



tenella 174 



Ptiloria cichoriacea 256 



divaricata 257 



exiffua 259 



Parryi 256 



pauciflora 257 



pentachaeta 260 



pleurocarpa 258 



tenuifolia 256 



tomentosa 259 



virgata 258 



Puffiopappus Bigelovii 141 



Breweri 141 



Pyrrocoma gossypina 49 



Rabbit-brush 61 



Rafinesquia -- 261 



Californica 261 



Neo-Mexicana 261 



Ragweed 119 



Western 119 



Ragweed Tribe 18, 116 



Raillardella 221 



argentea 221, 9 



Raillardia argentea 221 



Rhagadiolus 252 



Hedypnois 253 



RiddelUa Cooperi 163 



Rigiopappus - 187 



leptocladus 188 



Rosilla 205 



Rubber Plant, Colorado 205 



Sagebrush 219 



Salsify 262 



Sand Bur 122 



Sclerocarpus exiguus 147 



Scorzonella montana 252 



Senecio 228 



astephanus 229 



Bernardinus 232 



Blochmanae 233 



Breweri 233 



Californicus 235 



Douglasii 233, 234 



eurycephalus 233 



ilicetorum 229 



ionophyllus 231, 232 



var. Bernarainus 232 



var. sparsilobatus 232 



Lyoni 234 



Mohavensis 235 



Monoensis 234 



Parryi 236 



serra var. integriuseula 230 



var. sanctus 230 



sparsilobatus 232 



sylvaticus _ 235 



PAGE 



triangularis 230 



trigonophyllus 230 



vulgaris 236, 235 



Senecioneae 24, 221 



Sericocarpus tortifolius 77 



Silybuin - 242 



Marianum 243 



Simsia canescens 136 



frutescens '. 134 



Skevish 92 



Snake's Head 263 



Sneezeweed 205 



Bigelow 206 



Sneezeweed Tribe 7, 161 



Solidago 45 



Californica 46 



confinis 45, 46 



f. luxurians 46 



limonifolia 45 



occidentalis 47 



Sarothrae 35 



spathulata 45 



Soliva 214 



sessilis 214 



Sonchus 272 



asper 273 



oleraceus 273 



var. asper 273 



tenerrimus 273 



Sow-thistle 272 



Common 273 



Prickly 273 



Spikeweed, Common 154 



Fitch's 155 



Stenotus 48 



linearifolius 48, 49 



var. interior 48 



Stephanomeria 255 



cichoriacea 256 



coronaria 259 



elata 260 



exigua 259, 260 



var. pentachaeta 260 



lygodesmoides 257 



minor 256 



myrioclada 258 



Parryi 256 



pentachaeta 260 



runcinata 257, 258 



Schottii 260 



tenuifolia 256 



tomentosa 259 



virgata 258 



var. pleurocarpa 258 



Stylocline 102 



filaginea 104 



gnaphalioides 103, 104, 105 



micropoides 103 



Stylopappus elatus 279 



