INDEX. 



173 



Page. 



LEXTIBULACE.E 90 



Lenzites 



sepiaria, Fr 164 



Lepachys 



colunmaris, T. & G 70 



Lepidium 



alyssoides, Gray 10 



intermedium, Gray 10 



montanum, Nutt 10 



sativum, L 10 



Leptobryum 



pyriforme (L.,) Schp... 158 



Leptochloa 



f aseicularis, Gray 148 



Leptotrichum 



glaucescens (Hampe), Hedw 156 



Lepturus 



paniculatus, Nutt 151 



Leucampyx, Gray 77 



Newberryi, Gray 77 



Leucocrinum, Nutt 135 



montanum, Nutt 135 



Liatris 



punctata, Hook 54 



scariosa, Willd 54 



LICHEXES 161 



Ligusticnm 



apiifolium, H. & B 51 



montauum, Gray 51 



scopulorum, Gray 51 



LILIACE.E 133 



Lilium 



Philadelphicum, L 134 



Limosella 



aquatica, L 95 



LIXACE^E 16 



Linaria 



Canadensis, Spreng 90 



Linnsea 



borealis, Gronov 53 



Linosyris, Lobel 63 



Bigelovii, Gray 64 



depressa, Torr 64 



graveolens, T. & G 64 



Hoicardii, Parry 63 



Parry i, Gray 64 



sernilata, Torr 65 



viscidijiora, T. & G 64 



Linnm 



perenne, L 16 



rigidum, Pursh '. . 16 



Lippia 



lanceolata, MX 98 



Listera 



cordata, E. Br 133 



Lithopkragma 



parviflora, Xutt 40 



Lithospermum 



angustif olium, MX 100 



hirtum, Lehm 101 



longiflorum, Spreng 100 



pilosum, Nutt 101 



Lloydia, Salisb 134 



serotina, Reich 134 



LOASACEJS 47 



Lobelia 



cardinalis, L 87 



syphilitica, L 87 



LOBELIACE.E... 87 



Page. 



Lonicera 



involucrata, Banks 53 



Lophanthus 



anisatus, Benth 100 



urticsef olius, Beiitk 10 



LORANTHACE^: 124 



Lupinus 



argenteus, Pursh 20 



ceespitosus, Nutt 20 



decumbens, Torr 20 



omatus, Dougl 19 



parviflorus, Nutt 20 



pusillus, Pursh 20 



Luzula 



pardflora, Desv 135 



spadicea, DC ' 135 



spicata, Desv 136 



Lychnis 



apetala, L 12 



Drurumondii, Watson 12 



LYCOPODIACE^: 154 



Lycopodium 



annotinuin, L 154 



Lycopus 



sinuatus^Ell 98 



Lygodesniia 



juncea, Don 86 



Lysimachia 



ciliata, L 90 



LYTHRACE^E 



Lythrum 



alatum, Pursh 46 



Machieranthera, Nees 58 



canescens, Gray 59 



pulverulenta, Nees 58 



tanacetif olia, Nees 59 



Macronema, Nutt 65 



discoidea, Nutt 66 



Macrorrhynchus, Less 87 



glaucus Eaton 87 



troximoides, T. & G 87 



MALVACEAE 15 



Malvastrum 



coccineum, Gray 16 



Mamillaria, Haw 47 



Nuttallii, Engeka 47 



vivipara, Haw 48 



Meesia 



uliginosa, Hedw 159 



Melampodium, L 68 



cinereum, DC 68 



leucanthum, T. & G 68 



Melica 



bulbosa, Geyer 149 



mutica, MX 149 



poceoides, Torr 149 



Menodora, H. & B 114 



scabra, Gray 114 



Mentha 



CanadensiSjL 98 



Mentzelia 



albicaulis, Dougl 47 



multinora, Nutt 47 



nuda,T. &G 47 



oligosperma, Nutt 47 



Wrightii, Gray 47 



Merteusia 



alpina, Don 101 



brevistyla, \Yatsou 101 



