Liparis, 329. 
Listera, 321. 
Lithospermum, 280. 
Littorella, 291, 
Lloydia, 335. 
Lobelia, 20. 
Loiseleuria, 242. 
Lolium, 404. 
Lonicera, 200. 
Lotus, 145, 
Luzula, 355. 
Lychnis, 115. 
Lycopodium, 417. 
Lycopsis, 281. 
Lycopus, 267. 
Lysimachia, 286. 
Lythrum, 174. 
Mainthemum, 336. 
Malaxis, 329. 
Malva, 127. 
Marrubium, 277. 
Matthiola, 103. 
Matricaria, 235. 
Meconopsis, 89, 
Medicago, 139. 
Melampyrum, 259. 
Melica, 392. 
Melilotus, 140. 
Melittis, 271. 
Mentha, 267. 
Menyanthes, 249. 
Menziesia, 241. 
Mercurialis, 308. 
Mertensia, 281. 
Meum, 194, 
Milium, 385. 
Moenchia, 117. 
Moehringia, 122. 
Molinia, 393. 
Monotropa, 245. 
Montia, 175. 
Mulgedium, 212. 
Muscari, 334. 
Myosotis, 278. 
Myosurus, 81. 
Myrica, 319. 
INDEX TO GENERA. 
Myriophyllum, 172. 
Myrrhis, 199. 
Narcissus, 331. 
Nardus, 406. 
Narthecium, 335. 
Nasturtium, 100, 
Neottia, 321. 
Nepeta, 276. 
Nuphar, 88. 
Nymphea, 88. 
Obione, 294. 
Oenanthe, 191. 
Onobrychis, 149. 
Ononis, 138. 
Onopordum, 222. 
Ophioglossum, 416. 
Ophrys, 328. 
Orchis, 324. 
Origanum, 269. 
Ornithogalum, 333, 
Ornithopus, 148. 
Orobanche, 26-4. 
Orobus, 154. 
Osmunda, 416. 
Oxalis, 136. 
Oxyria, 304. 
Oxytropis, 117. 
Papaver, 88. 
Parietaria, 309. 
Paris, 337. 
Parnassia, 184. 
Pastinaca, 196. 
Pedicularis, 260. 
Peplis, 174. 
Petasites, 228. 
Petroselinum, 187. 
Peucedanum, 195. 
Phalaris, 381. 
Phleum, 382. 
Physospermum, 186. 
Phyteuma, 239. 
Picris, 208. 
Pilularia, 418. 
Pimpinella, 189. 
Pinguicula, 283. 
Pinus, 319. 
Plantago, 290. 
Poa, 305 to 898. 
Polemonium, 249. 
Polycarpon, 176. 
Polygala, 111. 
Polygonatum, 336. 
Polygonum, 298. 
Polypodium, 407. 
Polypogon, 385. 
Polystichum, 409. 
Populus, 312. 
Potamogeton, 341. 
Potentilla, 157. 
Poterium, 165. 
Primula, 285. 
Prunella, 277. 
Prunus, 154. 
423 
Pseudathyrium, 412. 
Pteris, 415, 
Pulmonaria, 283. 
Pyrola, 244. 
Pyrus, 167. 
Quercus, 310. 
Radiola, 127. 
Ranunculus, 81. 
Raphanus, 105. 
Reseda, 106. 
Rhamnuus, 136. 
Rhinanthus, 259. 
Rhyncospora, 358. 
Ribes, 177. 
Rosa, 162. 
Rubia, 201. 
Rubus, 160. 
Rumex, 301. 
Ruppia, 346. 
Ruscus, 336. 
Sagina, 117. 
Sagittaria, 340. 
Salicornia, 297. 
Salix, 313. 
Salsola, 296. 
Salvia, 267. 
Sambucus, 199. 
Samolus, 288. 
Sanguisorba, 165. 
