382 



INDEX. 



Ktuuia tridentata 202 



Labiatae 58 



Lactuca ludoviciana 290 



pulchella 187 

 Lagophylla ramoaissima 304 

 Lamarckia aurea 288, 304 

 Lamiaceae 152 

 Lappula redowskii 176 

 texana 187, 302, 303 

 Larix 216, 210, 220, 221, 223, 228, 283, 353 

 lyaUii 223, 224, 225, 227, 228 

 oocidentalis 93, 215, 216, 219, 220, 221 

 Larrea 41, 90, 97, 145, 146, 157, 160, 161, 162. 

 163, 165, 166, 167, 168, 169, 170, 171, 

 172, 173, 174. 175, 177, 300 

 mexicana 164, 168, 171, 172 

 Lathynia coriaceus 289, 292 

 polyphyllus 219 

 splendens 193 

 sulphureiis 214 

 vestitua 193 

 Lecanora 61 

 Ledum 45, 87 

 Leguminosae 162 

 Lemna 61 



Lepachys columQaris 120, 130. 148, 190, 299 

 Lepidium 304 

 alyssoides 302 

 intermedium 302 

 lasiocarpum 176, 302, 303 

 perfoliatum 160, 304 

 ramosum 302 

 thurberi 176 

 Lepiota 12 

 Leptochloa dubia 323 



viscida 176 

 Leptotaenia multifida 152, 290. 292 

 Lepus c. melanotia 56 

 Lespedeza capitata 130 

 Lesquerella argentea 199 

 fendleri 149 

 gordoni 176, 302. 303 

 Leucobryum 61 

 Liatris 129 



punctata 128. 129. 130, 149, 299 

 pycnostachya 128, 129, 130, 299 

 scariosa 128, 129, 130, 299 

 spicata 299 

 Libocedrus 212, 213 



decurrens 70, 211, 212, 213 

 Ligusticum porteri 226 

 Liliaceae 60, 162 

 Lilium 59 



parviflorum 219 

 Limnorchis stricta 210 

 Linaria 58 

 Linnaea 58, 60, 61 

 borealis 219, 226 

 longiflora 221 

 Linum perenne 160 

 rigidum 148 

 sulcatum 130 

 Lippia wrightii 171 

 Lithospermum canescena 130 

 hirtum 130. 190 

 linearifolium 130. 148 

 multiflonmi 187 

 ruderale 304 

 Lloydia eerotina 234 

 Lobelia 61 



Lomatium foeniculaceum 130 



tomentosum 193 

 Lonicera conjugialis 228 



involucrata 226 



utahensia 221 

 Loranthua 61 

 Lotus americanus 289, 302 



hiuniatratua 176, 303 



mollis 149 

 ^ strigosua 304 

 Lupinus affinis 304 



albua 27 



argenteua 160, 289 



fomioaus 193 



grayi 214 



holosericeus 289 



lepidus 219 



leptophyllus 176 



leucophyllus 152, 289 



lyallii 236, 289 



micranthua 304 



ornatus 152, 214 



plattensia 289, 299 



puaillus 187, 302 



rivxilaris 219. 289 



sellulus 292 



sericeus 152 



aparaiflorus 303 



subalpinus 236 



truncatua 304 



volcanicua 236 



wyethii 152 

 Lycium 171 

 Lycoperdon 12 

 Lycopodium clavatum 60 

 Lygodesmia juncea 299 

 Machaeranthera parvifolia 176 



tanacetifolia 176 

 Madia 25 



dissitiilora 304 



exigua 304 

 Malacothrix fendleri 148. 303 



glabrata 176 



aonchoides 176, 303 

 Malvastrum coccineum 148, 160, 199. 299 



exile 176 

 Maraamius 12 * 



Marchantia 61. 353 



polymorpha 93 

 Marailea 61 

 Medicago 58 



denticulata 303, 304 



luptilina 304 



Bativa 290 

 Megachile 91 

 Melica 303 

 Melilotua 282 



alba 45, 262. 290 

 indica 304 



ofScinalis 290 

 Mentzelia albicaulis 176 

 Menyanthea 60 

 Menziesia femiginea 219, 221 

 Meriolix aemilata 51, 148 

 Mertenaia alpina 234 

 lanceolata 18,7 

 polyphylla 226 

 pratenais 210 

 Meaembryanthemum 61 



