INDEX TO THE ORDERS AND GENERA. 303 
Hypericum, 
36 
Hypnum, 
256 
Hypochceris, . 
97 
Hysterium, 
295 
Ilex, 
122 
Ilicineje, 
lllosporium, . 
122 
295 
Impatiens, 
43 
Iridaea, 
289 
1RIDE.S, 
190 
Iris, 
190 
Isidium, 
283 
Isoetes, 
225 
Jasmineae, 
JUNCAGINEAE, 
122 
173 
JUNCEAE, 
181 
J uncus, 
181 
Jungermannia, 
263 
Juniperus, 
172 
Knautia, 
96 
Labiat^e, 
141 
Laminaria, 
288 
Lamium, 
145 
Lapsana, 
103 
Lathyrus, 
51 
Laurentia, 
288 
Lecanora, 
272 
Lecidea, 
271 
Leguminos^e, 
43 
Lemania, 
289 
Lemna, 
174 
Lentibulariae, 
147 
Leontodon, 
103 
Lepidium, 
10 
Lepraria, 
270 
Leptostroma, 
295 
Lichina, 
288 
Lichenes, 
268 
Ligusticum, . 
83 
Ligustrum, 
122 
Liliace^e, 
180 
Limosella, 
140 
Linaria, 
139 
Lineae, 
34 
Linneea, 
91 
Linum, 
34 
Listera, 
186 
Lithospermum, 
127 
Littorella, 
154 
Lobelia, 
118 
Lolium, 
207 
Lonicera, 
90 
Loranthe^e, 
89 
Lotus, 
47 
Luzula, 
184 
Lychnis, 
27 
Lycoperdon, . 
295 
Lycopodiaceas, 
224 
Lycopodium, 
224 
Lycopis, 
128 
Lyngbya, _ 
289 
Lysimacliia, . 
149 
Lythrariae, 
72 
Malaxis, 
190 
Malvaceae, . 
35 
Malva, 
35 
Marchantia, . 
262 
Marsiliacem, . 
225 
Melampyrum, 
158 
Melanthace^e, 
181 
Melica, 
198 
Melilotus, 
46 
Mentha, 
141 
Menvanthes, . 
125 
Mercurialis; . 
160 
Meum, 
83 
Milium, 
195 
Mitrula, 
292 
Monotrope^e, 
121 
Monti a, 
Mucor, 
72 
296 
Musci, 
231 
Mycinema, 
289 
Myosotis, 
128 
Myrica, 
Myriceae, 
171 
171 
Myriophyllum, 
71 
Mliyrris, 
Myxosporium, 
86 
298 
Naiades, 
175 
Narcissus, 
191 
Nardus, 
192 
Narthecium, . 
185 
Nasturtium, . 
15 
Neckera, 
254 
Nephroma, 
278 
Nuphar, 
7 
Nympheace^e, 
7 
Nymph® a, 
7 
Odonathalia, . 
288 
(Edipodium, . 
233 
CEnanthe, 
82 
Onagrariae, . 
68 
Ononis, 
Opegrapha, 
45 
269 
Ophioglossum, 
224 
Orthotrichum, 
247 
Oscillatoria, . 289 
Orchide^e, . 186 
Orchis, . 188 
Origanum, . 143 
Ornithopus, . 49 
Orobus, , 52 
OSMUND ACE A3, 223 
OXALIDEAB, . 43 
Oxalis, . 43 
Oxyria, . 160 
Oxytropis, . 48 
Papayekaceas, 8 
Papaver, . 8 
Parietaria, . 162 
Paris, . 179 
Parmelia, . 275 
Parnassia, . 38 
Paronchie^e, 73 
Pedicularis, . 138 
Peltidea, . 278 
Peplis, . 72 
Pertusaria, . 269 
Petasites, . 110 
Peziza, . 293 
Phacidium, . 295 
Phalaris, , 194 
Phallus, . 293 
Phascum, . 231 
Phleum, . 194 
Phoma, . 295 
Pliyllophora, . 289 
Pilularia, . 225 
Pimpinella, . 81 
Pinguicula, . 147 
Pinus, . 171 
PlSTIACE^E, . 174 
Plantagineas, 153 
Plantago, . 153 
Plocadium, 274 
Plocamium, . 288 
Plumbagine-/®, 153 
Poa, . . 199 
Polemoniaceae, 125 
Polemonium, . 125 
POLYGALE^E, 23 
Polygala, . 23 
P OLYGONEA5, 157 
Polygonum, . 157 
Polyides, . 288 
PolypodiacejE, 218 
Polypodium, 218 
Polyporus, . 291 
Polysiphonia, 289 
Polytrichum, 246 
Populus, . 169 
Porpbyra, . 289 
