fistulosa 284 
MONOPTERYX 
angustifolia 69,72 
mushroom effigies 113 
mushroom stones 123 
NEPETA 
cataria 284 
NUPHAR 
variegatum 284 
OPUNTIA 
polyacantha 276 
OSMORHIZA 
occidentalis 294 
PACHISTIMA 
myrsinites 277 
palito amargo 7 
panza de burro 7 
pectorals 
Darien 113 
Darien-related 114 
PHILADELPHUS 
lewisii 283 
PINUS 
albicaulis 268 
contorta 268 
monticola 269 
ponderosa 269 
PLANTAGO 
major 285 
PLEUROTHALLIS 
chamaestelis 187 
rufobrunnea 191 
POPULUS 
tremuloides 29] 
trichocarpa 291 
PRUNUS 
virginiana 289 
PSEUDOTSUGA 
menziesii 269 
PSILOCYBE = 121 
PTERIDERIDIA 
gairdneri 294 
PTEROSPORA 
andromedea_ 282 
RANUNCULUS 
glaberrimus 287 
REYESIA 24 
cactorum 27 
chilensis 26 
jJuniperoides 29 
parviflora 27 
RHAMNUS 
[xvi] 
purshiana_ 287 
RHUS 
glabra 274 
RIBES spp. 283 
RORRIPPA 
nasturtium-aquaticum 280 
ROSA 
woodsii 289 
rubber 97 
RUBUS 
idaeus 290 
leucodermis 290 
SALIX spp. 291 
SALPIGLOSSIS | 1 
atropurpurea 6 
Barclayana_ 6 
coccinea 6 
fulva 6 
picta 6 
purpurea 6 
var. atropurpurea 7 
sinuata 5 
spinescens 10 
Straminea 5 
var. B picta § 
SAMBUCUS 
cerulea 276 
racemosa 276 
SCIRPUS 
acutus 270 
SHEPHERDIA 
canadensis 280 
silica determinations 
chemical tests for 161 
SORBUS 
scopulina 290 
STELIS 168 
Subgenus 
Dialissa 178 
Nexipous 178 
Stelis 180 
Stellata 179 
Section 
Chasmostelis 180 
Concavae_ 180 
Distichae 179 
Isochilae 180 
Labiatae 180 
Monostachyae_ 180 
Pedales 179 
Rhomboideae 179 
alata 187 
