610 



INDEX TO GENERA. 



Lycopsis, 328. 

 Lycopus, 303. 

 Lysimachia, 336. 

 Ly thrum, 171. 



Maianthemum, 404. 

 Malaxis, 395. 

 Malva, 84. 

 Marrubium, 320. 

 Matricaria, 260. 

 Matthiola, 47. 

 Meconopsis, 23. 

 Medicago, 107. 

 Melarnpyrum, 293. 

 Melica, 484. 

 Melilotus, 108. 

 Melittis, 311. 

 Mentha, 303. 

 Menyanthes, 281. 

 Menziesia, 268. 

 Mercurialis, 366. 

 Mertensia, 326. 

 Meum, 200. 

 Miliurn, 476. 

 Moenchia, 68. 

 Molinia, 486. 

 Monotropa, 273. 

 Montia, 173. 

 Mulgedium, 227. 

 Muscari, 403. 

 Myosotis, 322. 

 Myosurus, 5. 

 Myrica, 378. 

 Myriophyllum, 167. 

 Myrrhis, 206. 



Naias, 425. 

 Narcissus, 397. 

 Nardus, 507. 

 Narthecium, 403. 

 Nasturtium, 43. 

 Neottia, 382. 

 Nepeta, 319. 

 Nuphar, 20. 

 Nymphsea, 19. 



Obione, 347. 

 (Enanthe, 194. 

 Onobrychis, 119. 

 Ononis, 105. 

 Onopordum, 245. 

 Ophioglossum, 524. 



Ophrys, 394. 

 Orchis, 387. 

 Origanum, 307. 

 Ornithogalum, 402. 

 Ornithopus, 118. 

 Orobanche, 298. 

 Orobus, 126. 

 Osmunda, 522. 

 Oxalis, 101. 

 Oxyria, 361. 

 Oxytropis, 117. 



Papaver, 21. 

 Parietaria, 367. 

 Paris, 405. 

 Parnassia, 183. 

 Pastinaca, 201. 

 Pedicularis, 293. 

 Peplis, 172. 

 Petasites, 254. 

 Petroselinum, 189. 

 Peucedanum, 201. 

 Phalaris, 473. 

 Phleum, 473. 

 Phragmites, 478. 

 Physospermum, 187. 

 Phyteuma, 267. 

 Picris, 222. 

 Pilularia, 530. 

 Pimpinella, 192. 

 Pinguicula, 330. 

 Pinus, 379. 

 Plantago, 341. 

 Poa, 491. 



Polemonium, 281. 

 Polycarpon, 173. 

 Polygala, 60. 

 Polygonatum, 405. 

 Polygonum, 353. 

 Polypodium, 509. 

 Polypogon, 476. 

 Polystichum, 512. 

 Populus, 373. 

 Potamogeton, 412. 

 Potentilla, 132. 

 Poterium, 155. 

 Primula, 334. 

 PruneUa, 321. 

 Prunus, 126. 

 Psamma, 478. 

 Pseudathyrium, 517. 

 Pteris, 520. 



Pulicaria, 259. 

 Pulmonaria, 330. 

 Pyrethrum, 260. 

 Pyrola, 271. 

 Pyrus, 158. 



Quercus, 368. 



Eadiola, 83. 

 Eanunculus, 5. 

 Eaphanus, 51. 

 Eeseda, 51. 

 Ehamnus, 102. 

 Ehinanthus, 292. 

 Ehyncospora, 437. 

 Eibes, 173. 

 Eosa, 148. 

 Eubia, 210. 

 Eubus, 135148. 



adscitus, 141. 



affinis, 138. 



althteifolius, 147. 



amplificatus, 142. 



Balfourianus, 147. 



Bellardi, 146. 



Bloxami, 143. 



Boreanus, 140. 



Borreri, 143. 



csesius, 148. 



carpinifolius, 141. 



cavatifolius, 145. 



Chamaemorus, 135. 



Colemanni, 140. 



conjungens, 147. 



corylifolius, 147. 



dentatus, 146. 



derasus, 141. 



discolor, 139. 



diversifolius, 145. 



emersistylus, 145. 



fissus, 137. 



foliosus, 146. 



fusco-ater, 145. 



glabratus, 142. 



glandulosus, 146. 



Grabowskii, 140. 



Guntheri, 146. 



hemistemon, 138. 



hirtifolius, 140. 



hirtus, 146. 



humifusus, 146. 



Hystrix, 143. 



