474 



INDEX. 



Nardosmia angulosa, 376. 



corymbosa, 376. 



friijida, 376. 



paimata, 376. 



sagittata, 376. 

 NASSA'UVIE.E, 83. 

 Nauenbert/ln trinervala, 354. 

 Neocis, 398. 

 Nicollftia, 77, 355, 446. 



Edwardsii. 355. 



occidentalis, 355. 

 Nipplewort, 410. 

 Nothocalais, 420. 



Obeliscaria columnar is, 264. 



piiinnta, 264. 



pulcherrima, 264. 



Tagetes, 264. 

 Odontocarpha, 115. 

 (V{/', 230. 

 Oldenlandia, 20, 27. 



acerosa, 27. 



angustifolia, 27. 



Boscii,*27. 



ccerulea, 24. 



glomerata, 27. 



Greenei, 27. 



IMe?, 28. 



humifusa, 26. 



penttindra, 28. 



purpurea, 26. 



rotundifolia, 25. 



rubra, 25. 



serpyllifolia. 24. 



subviscosa, 25. 



unifora, 28. 



Oligogyne Tampicana, 280. 

 Otigosporus, 308. 



pycnocephalus, 369. 

 ' 



Olocarpha, 308. 



Omalftnthus camphoratus, 367. 

 Omalotts camphoratus, 367. 

 Omalotheca, 231, 236. 



sup inn, 236. 

 Onopordon, 82, 405. 



acantliium, 405. 

 Onopordum, 405. 

 Oporinia, 420. 



aut/imnalis, 420. 

 Oritrophium, 175. 

 Orthomeris, 198. 

 Osmadenia tenella, 311. 

 Osmia, 94. 



Osteospermum Uvedalia, 238. 

 Ox-eye Daisy, 365. 

 Oxylepis, 347. 

 Oxytenia, 62, 248. 



acerosa, 248. 

 Oxytripoliinn, 203. 

 Oxyura chrysan/hemoidcf, 310. 

 Oyster-plant, 415. 



Palafoxia, 74, 338. 



callosa, 337. 



fastii/iatn, 338. 



Feayi, 338. 



Hookeriana, 337. 



integrifolia, 338. 



latiJFoha, 338. 



leucophylla, 338. 



linearis, 338. 



Texana, 337. 

 Paleolaria ccirnea, 338. 



fastigiata, 338. 

 Paltoma, 281. 



grandifliira, 281 



serratifolia, 289. 

 Pappochroma, 200. 

 Pappothrix, 319. 

 Partheniastrum, 244. 

 Parthenice, 62, 245. 



mollis, 245. 

 Parthenium, 02, 244. 



alpimim, 245. 



argentatum, 245. 



Hysterophorus, 244. 



incanum, 244. 



integrifolium, 245. 



lobatum, 244. 



lyratum, 244. 



ramosisslinum, 245. 

 Partridge-berry, 31. 

 Pittrinia ceratophylla, 43. 



lonyifolia, 43. 

 Pectidium, 361. 



punctatum, 362. 

 Pcctidopsis angustifolia, 361. 

 Pectis, 77, 360. 



angustifolia, 360. 



ciliaris, 360. 



Coulteri, 361. 



fastirjiata, 361. 



filipes, 361. 



imberbis, 362. 



Jaliscana, 361. 



linifolia, 300, 302. 



longipes, 301. 



multiseta, 301. 



papposa, 361. 



prostrata, 360. 



punctata, 302. 



Eusbyi, 361. 



tenella, 300. 



<ene/Z, 361. 

 Pectothrix, 361. 

 PcntachcBta, 53, 119, 446. 



alsinoides, 120. 



ajifutntochceta, 120. 



aurea, 120, 446. 



exilis, 120. 



aracilis, 120. 



Lyoni, 446. 

 Pentodon, 6, 28. 



Halei, 28. 

 Pentotis, 28. 

 Peramipus hirtus, 259. 

 Perdicii/ni, 40!t. 



semiflosculare, 408. 

 Perezia, 83, 408. 



Arizonica, 409. 



Coulteri, 409. 



microcephala, 409. 



nana, 409. 



runcinata, 408. 



Tliurberi, 409. 



Wrightii, 409. 

 Pericome, 71, 322. 



caudata, 322. 

 Ferity Ie, 71, 320. 



Acmella, 322. 



aglossa, 322. 



California, 321. 



Calif arnica, 321, 322. 



coronopifolia, 321. 



dissecta, 321. 



Emoryi, 321. 



Fitchii, 321. 



incana, 320. 



leptoglossa, 322. 



microglossa, 322. 



, 321. 



Parryi, 322. 



plumigera, 321. 

 PEKITYLE^E, 71. 

 Persoonia angustifolia, 303. 



lanceolata, 303. 



Intifulia, 303. 

 Petasites, 79, 375. 



frigida, 376. 



paimata, 376. 



sagittata, 376. 



vulgaris, 376. 

 Peucepliyllum, 79, 377. 



Schottii, 377. 

 Plicenactis, 207, 208, 209. 

 Phcethusa Americana, 287. 



bore alls, 287. 

 Phalacroclinc, 225. 

 Pkalacroloma, 207, 218. 



acutifolium, 219. 



Beyrichii, 219. 



obtusifolium, 219. 

 Phalacroseris, 84, 410. 



Bolanderi, 410. 

 /'//mfe, 328, 329. 

 Philozera mult/flora, 347. 

 Pkyllacrocephala, 94. 

 Phyllactis obovata, 42. 

 Phyllopappus, 124, 416. 

 Pkyllotheca, 123. 

 Picradenia Rlchardsonii, 347. 

 Picris, 85, 420. 



Davurica, 421. 



echioides, 421. 



hieracioides, 420. 



Japonica, 421. 



Kamtschatica, 421 . 

 Picrothamnus desertorum, 368. 

 Picrotus, 246. 

 Pilosella, 424. 



arguta, 428. 



spathulata, 426, 455. 

 Pinaropappus, 85, 421. 



roseus, 421. 

 Pinckneya, 19, 23. 



pubens, 23. 



pubescens, 23. 

 Pinknea pubescens, 23. 

 Pityopsis, 121. 



art/entea, 121. 

 fatcata, 122. 



graminifolia, 121. 



pinifolia, 122. 

 Pin gins, 364. 

 Plateilema, 344. 

 J'/nti/i-iir/xea, 296. 

 Platylophus, 406. 

 Pltitysch kuh rla, 332. 

 Plectocephalus Americanus, 407. 

 Plectritis, 46. 



brachys'emon, 47 



capitata, 47. 



conyesta, 47. 



macrocera, 46. 



major, 47. 



samoli folia, 47. 

 Pluchea, 57, 225. 



bifrons, 220. 



borealis, 225. 



camphorata, 226. 

 fcetida, 226. 



glabrata, 226. 



Marylandica, 226. 



petiolata, 226. 



purpurascens, 226. 



