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218 MISSOURI BOTANICAL GARDEN, 
Lomaria, 171. Nicotiana, 208, 
Lophodermium, 209. Nigella, 92. 
Lotus, 107, 207, 210. Nitella, 188. 
Lunularia, 188. Nitophyllum, 190, 
Lupinus, 209. Nodularia, 199. 
Luzula, 153. Normandina, 205. 
Lycoperdon, 206, Nostoce, 198. 
Lycopersicum, 135, 
Lycopodium, 176, (177). 
Lycopus, 140. 
Lysigonium, 193. 
Lysimacbia, 130, 
Lythrum, 113. 
Malva, 101. 
Marchantia, 187. 
Marrubium, 142. 
Matthiola, 93. 
Medicago, 104. 
Melampsora, 207. 
Melanconium, 210. 
Melanoselinum, (117). 
Melilotus, 105. . 
Melissa, 140, (141). 
Melobesia, 159. 
Mentha, 129. 
Menziezia, (130). 
Mercurialis, 149, 
Merismopaedia, 199. 
Mesembrianthemum, 82, 114. 
Mesogloia, 193. 
Metasphaeria, 208. 
Microcala, 132. 
Microderis, (126). 
Mimulus, J37. 
Mirabilis, 143. 
Mnium, 180. 
Moebringia, (98). 
Momordica, (114). 
Muehlenbeckia, 147. 
Myconia, (122). 
Myosotis, 133. 
Myrica, 150. 
Myriophyllum, 112, 189, 
Myrsine, 131. 
Myrtus, 113. 
Myurium, 179. 
Narcissus, 152. 
Nardia, 187. 
Nardus, 169. 
Nardosmia, (123). 
Nasturtium, 93. 
Naucoria, 206. 
Navicula, 194. 
Nemalion, 191. 
Nepeta, 141. 
Nephrodium, (174). 
Nephromium, 204. 
Notelaea, 131. 
Ocotea, 148. 
Odontidium, 194. 
Oedogonium, 198. 
Oenothera, 114. 
Oidium, 80, 208, 
Olea, (131). 
Ononis, 104. 
Opegrapha, 205. 
Ophioglossum, 175 
Oreodaphne, (148), 
Origanum, 140. 
Ormenns, (122). 
Ornithopus, 108. 
Orobanche, 138, 
Oryzopsis, 161. 
Oscillatoria, 199. 
Osmunda, 175. 
Ovularia, 210. 
Oxalis, 102, 
Panicum, 160, (160). 
Pannaria, 205. 
Papaver, 92. 
Parietaria, 150, 
Parmelia, 202, (203), (204). 
Passiflora, 82, 114. 
Padina, 189, 193. 
Pediastrum, 196, 
Pedrosia, (107). 
Pellia, 187. 
Peltidea, (204). 
Peltigera, 204. 
Penicillium, 210, 
Penium, 195. 
Peplis, 113. 
Persea, 148, 209. 
Pertusaria, 205. 
Pestalozzia, 209. 
Petasites, 123. 
Petroselinum, (115), (116). 
Peyssonnelia, 189. 
Peziza, 209, (209). 
Phegopteris, (174). 
Philonotis, 181. 
Phormidium, 199, (199). 
Phragmidium, 207. 
Phyllachora, 207, 209. 
Physalis, 135. 
Physcia (201), (203), 204. 
Physcomitrium, 181. 
