302 
INDEX, 
Phalaris caroliniana 204 
erucaeformis * 181, 203 
oryzoides. 203, 205 
phleoides 203 
villosa 214 
Phanopyrum 229 
gymnocarpon 229 
Pharus 211-212 
latifolius - 211 
Phippsia 132 
algida 132 
Phleum 140-141 
alpinum 140 
arenarium 140 
bellardi 141 
graecum 141 
pratense 140, 141 
schoenoides 140, 153 
Pholiurus 105-106 
incurvatus 106 
Phragmites 64 
communis 64, 65 
phragmites 64 
Phyllostachys ,8 
Pili 273 
Pine-grass 4, 123 
Piptaiherum 156 
coerulescens 156, 158 
punctatum 156, 158 
Piptochaetium 158 
Pleopogon 139 
setosum 139 
Pleur aphis 168 
jamesii 168 
Pleuropogon 36 
californicus 36, 37 
refractus 36 
sabinii 36 
Plume-grass 258,259 
Poa 38,41-45 
amabilis 41 
annua 41, 44 
aquatica 34, 41 
arachnifera 41, 44 
bolanderi 41 
caerulescens 74 
capillaris 41 
chinensis 41 
compressa 41,44 
distans 38 
douglasii 41 
eragrostis ,.. 41,46 
fendleriana 41,45 
Poa flava 41, 76 
howellii 41 
kingii 30 
macrantha 41 
malabarica 41 
nemoralis 128 
nevadensis 41 
palustris 44 
pilosa 41 
pratensis 41,43 
quinquefida 74 
rigida 34 
sandbergii 41,45 
scabrella 41,42,44 
serotina 44 
tenella 41 
tri flora 44 
trivialis 44 
weigeltiana 46 
Poaceae 3, 5-6 
Poatae (subfamily) 6-7 
Pod corn 287 
Podagrostis 127 
(section of Agrostis) 127 
Podopogon 160 
Podosemum 145 
capillaris 145 
Poisonous grasses 36, 161, 269 
Pollinia 270 
gryllus 270 
Polyanthrix 96 
Polyodon 193 
distichum 193 
Polypogon 13,137-139 
littoralis 138 
lutosus.... 138 
maritimus 138 
monspeliensis 138 
Polyrhaphis 83 
(section of Pappophorum) .... 83 
Poranthera 269 
Porcupine grass 160 
Poverty grass 120,165 
Prairie hay 3 
Proso millet 230 
Psamma 123 
littoralis 123 
Ptychophyllum (section of Chae- 
tochloa) 243 
Puccinellia 36,38 
airoides 38 
distans 38 
festucaeformis 38 
