212 



Matricaria 46, 



Medeola 



Medicago 28, 



Melampyrum 



Melampsora 



Melanconis 



Melanconium 



Melanospora . . . 



Melica 86, 192, 



Melilotus 



Melissa 



Melogramma 



Melosira 



Menispermum 15, 



Mentha 



Menyanthes 62, 



Meridion 



Merismopedia 



Mertensia 



Merulius 118, 



Microstylis S 



Microsphseria 



Microthyrium 



Milium 



Mimulus 



Mitchella 



Mitella 33, 



Mitrula 127, 152, 



Mnium 



Mollugo 23, 194, 



Monarda 57, 



Moneses 7 



Monotospora 



Monotropa 



Montelia ( Acnida) 



Morchella 



Morus 63, 



Mucor 



Muhlenbergia 



Mulgedium (Lactuca) 



Mycoporum . 



Myosotis 59, 



Myriangium 



Myrica 



Myriophyllum 34, 



Myxosporium 



Nabalus (Prenanthes) 48, 136, 



Naematelia 



Naias 74, 



Nardosmia (Petasites) 



Nasturtium 



Navicula 



Neckera 



Nectria 101, 



Neillia 



Nelumbium 6, 16, 



Nemopanthes 52, 148, 



Nepeta 



Nephroma 



Nesaea 



197 

 •73 

 144 



•55 

 144 

 165 

 133 

 162 

 204 

 .28 



-57 

 163 

 1S0 

 134 

 56 

 145 

 186 



179 

 •59 

 122 



, 77 

 151 

 171 

 .88 



•54 

 .40 



141 

 153 

 97 

 203 

 198 

 , 5i 

 147 

 •52 

 199 

 152 

 204 

 150 

 •85 

 •49 

 109 

 204 

 107 

 .69 

 196 

 139 

 141 

 128 



193 

 •4i 

 •17 

 184 



99 

 162 



•30 

 193 

 159 



•57 

 104 



Nicandra 61 



Nicotiana ... .61 



Nigella 14 



Nitella 171 



Nitschkia. ... 167 



N'itzschia 183 



Nitzschiella 183 



Nodularia 126, 156 



Nostoc 178 



Nummularia 163 



Nuphar 16 



Nymphaea 16 



Nyssa 35, 170 



Oakesia 79 



Odontia 123 



Odontidium 182 



CEdogonium 172, 173 



CEnothera 35, 137 



Onobrychis 29 



Onoclea 91, 136 



Onopordon 47 



Onosmodium 58, 170 



Onygena 150 



Opegrapha 108 



Ophioglossum 89 



Orchis 75 



Origanum 193, 198 



Orthotrichum . 95 



Oryzopsis 86 



Oscillaria 17S 



Osmorrhiza 37, 141 



Osmunda 91, 164 



Ostrya 69, 170 



Ovularia 148 



Oxalis 25, 151 



Palmella 175 



Palmoglcea 175 



Panicum S3, 202, 204 



Pannaria 105 



Panus 113, 117 



Papaver 16 



Pardanthus 78 



Parmelia 103,205 



Parnassia -7,33 



Pastinaca 36 



Patellaria 155, 156 



Paxillus 116 



Peckia 133 



Pediastrum 175 



Pedicularis 55, 14 2 



Pellrea 90 



Pellia 101 



Peltandra 73. r 43 



Peltigera 104, 146 



Penthorum 34 



Pentstemon 8, 54 



Perichaena 132 



Periconia 147 205 



Peronospora. ... 148 



Pertusaria 106 



