February 15, 1915 
Muhlenbergia racemosa los 
Myosotis laxa 126 
macrosperina 126 
Myrica californica 89 
Gale 111 
Naumburgia thyrsiflora 125 
Navarretia minima 74 
squarrosa 125 
Netmexia lasioneuron 47 
Nepeta Cataria 126 
Nuttallia stricta 49 
Nymphaea polysepala go, 114 
Oenanthe sarmentosa 123 
Oenothera biennis 122 
desertt 68 
Macbrideae 68 
muricata 49 
thombipetala 49 
trichocalyx 139 
Olsynium grandiflorum 11lo 
Onagra Macbrideae 68 
strigosa 37 
Onosmodium occidentale 38 
Ophrys caurina 11o 
convallarioides 88 
Opulaster opulifolius 93, 118 
Opuntia polyacantha 37 
Oreocarya affinis 75 
Orobanche comosa 128 
Orthocarpus attenuatus 128 
castilleoides 98 
Osmaronia cerasiformis 94,119: 
Oxalis oregana 95 
pumila 94 
triliifolia 95 
Oxycoccus Oxycoccus 125 
Pachylophus macrogluttis 49 
147 
Pachylophus montanus 74 
Pachystima myrsinites 121 
Panicum Crus-galli 105 
Parnassia fimbriata 117 
Paronychia diffusa 48 
sessilifolia 72 
Parosela californica 137 
Parthenocissus vitacea 37 
Paspaluin Urvilleanum 137 
Pedicularis bracteosa 127 
racemosa 127 
Pentsteinon acuminatus 50 
diffusus 127 
Peramium decipiens 1lo 
Petalostemon oligophylius 36 
Phaca Whitneyi 67 
Phacelia leucophylla 37, 75 
Phegopteris Dryopteris 1o2 
Philadelphus Gordonianus 118 
Phleum pratense 105 
Phlox alyssifolia 75 
canescens 75 
Hoodii 75 
Phyllodoce empetriformis 124 
Picea sitchensis 86, 1o4 
Pinus aristata 79 
contorta 85, 104 
flexilis 79 
monophylla 80 
ponderosa 78 
Piperia elegans 88 
unalaschensis 111 
Plagiobothrys tenellus 126 
lantago lanceolata 128 
major 128 
maritima gg, 128 
Purshii 99 
