floribunda, 101 
hirsuta, 296 
linartifolia, 245 
nivea, 
obovata, 53 
"Chrysothamnus 
linifolius, 24 
Cladothamnus pyrolzflorus, 75 
"Cochlearia 
aquatica, 95 
siliquosa, 258 
spathulata, 258 
‘Coleosanthus scaber, 100 
Collomia 
gracilis, 300 
humilis, 301 
micrantha, 308 
nudicaulis, 304 
‘Convolvulus 
Americanus, 328 
aridus, 330 
camporum, 328 
collinus, 326 
deltoideus, 331 
fruticetorum, 333 
gracilentus, 329 
limnophilus, 329 
luteolus, 333 
Macounii, 381 
malacophyllus, 326 
N f 
spithamæus, 828, 333 
, 383 
ME 327 
villosus, 826 
'Cornus Canadensis, 76 
INDEX. 
Crateegus 
rivularis, 99 
saligna, 99 
Crepis 
grandifolia, 107 
subcarnosa, 107 
Cyrtorhyncha ranunculina, 198 
Delphinium 
cognatum, 14 
diversifolium, 93 
glareosum, 257 
gracilentum, 15 
Hanseni, 94 
Nelsonii, 92 
Sonnei, 246 
Dentaria 
Californica, 122 
cardiophylla, 122 
_cuneata. 123 
Douglasii, 124 
integrifolia, 122 
ata, 
