578 



Index. 



Lathyrus, 41 

 Lauraceffi, 96 

 Laurel Family, 96 

 Lebia collaris, 267, 275 



• ornata, var. axillaris, 267, 275 



pulchella, 267 • 



tricolor, 267, 275 

 Lechea, 25 

 Lccrsia, 1 18 

 Legouzia, 73 

 Lenina, 112 

 Lemnacea;, 112 

 Lemoniidte, 486 

 Leonurus, 91 

 Lepachys, 67 

 Lepidium, 25 

 Leptamniuin, 85 

 Leptandra, 84 

 Leptilon, 64 

 Leptoch(erus gracilis, 131, 133 



quadricuspis, 13 1 



spectabilis, 131, 133 



Taxonomy of, 134 

 Leptorchis, 104 

 Leptoscymnus, 279 



caseyi, 268, 279 



cavifrons, 268, 279 

 Lepturges, var. pictus, 273, 290 

 Lespedeza, 40 

 Liatris, 61 

 Ligustrum, 77 

 Ligyrus gibbosus, 272, 289 

 Liliaceae, 107 

 Lilium, 108 

 Lily Family, 107 

 Lily-of-the-Valley Family, 108 

 Limax maximus, 252 

 Limnanthacece, 2>2> 

 Limnebius piceus, 267 

 LinaceK, 32 

 Linaria, 83 

 Linden Family, 32 

 Liiniera, 96 

 IJnuni, 32 

 Liopeltis, 147, 148 

 Liopiis cinereus, 273, 290 

 Liparis, 104 

 Lippia, 86 

 Liriodendron, 19 

 Lithospermum, 80 

 Lixus mucidus, 274, 293 

 Lizard' s-tail Family, 96 

 Lobelia, 73 

 Lolium, 122 

 Lonicera, 57 

 Loosestrife Family, 51 

 Lophanthus, 89 

 Lopseed Family, 86 

 1 .oranthaceie, 96 



Loriida.', 404 

 Loriinie, 403 

 Loxandrus minor, 267 



rectus, 267 

 I/UcanidK, 272, 289 

 Lucanus placidus, 272, 289 

 Ludwigia, 51 

 Lupinus, 38 

 Luziila, 1 1 1 

 Lychnis, 28 

 Lycium, 82 

 Lycopersicon, 82 

 Lycopodiaceaj, 126 

 Lycopodium, 126 

 Lycopus, 87 

 Lysimachia, 76 

 Lythracea;, 5' 

 Ly thrum, 51 



Madura, 98 



Madder Family, 57 



Magnolia, 18 



Magnolia Family, 18 



Magnoliacese, 18 



Maianthcniuiii, 108 



MalachidcC, 272 



Mallow Family, 31 



Malus, 47 



Malva, 31 



Malvaceae, 31 



Mammalia (Fossil), 131 



Manteoceras, 347 



Maple Family, 36 



Maps. French occupation of the Ohio 

 Valley, 505 

 District of West Augusta, 518 

 Outline map illustrating boundary 

 controversy between Pennsylvania 

 and Virginia, 524 



Marsh (The) Quarry, 335 



Marrubium, 91 



Mastodon, portion of the tusk found in 

 the Monongahela River, 3 



Medeola, 109 



Medicago, 39 



Meehania, 90 



Megalodacne lukei, 270, 285 



Megalosaurus, 380 



Meibomia, 40 



MelanthaceK, 109 



Melanthium, no 



Melba sulcatula, 269, 282 

 thoracica, 269, 282 



Melanactes puncticollis, 271, 287 



Melanophila seneola, 271, 288 



Melandryida?, 273, 292 



Melasis pectinicornis, 271, 287 



Melilotus, 39 



Melissa, 88 



