468 



INDEX. 



filipe?, 361. 



imberbis, 362. 



Jaliscfinas 361. 



linifolia, 360, 362. 



lonsjipes, 361. 



multiseta, 361. 



papposa, 361. 



prostrata, -360. 



punctata, 3(i2. 



Kusbvi, 361. 



tenella, 360. 



tendUu 361. 

 Pectothrix, 361. 

 Pentacha"ta, 53, 119. 



alsinoides, 120. 



<iph((nt()chceta, 120. 



auvea, 120. 



exilis, 120. 



gracilis, 120. 



Lvoni, 445. 

 Pentodon, 6, 28. 



Halei, 28. 

 Pentotis, 28. 

 Peramibus hlrtiis, 259. 

 Perdicium, 409. 



semi fIdsciiJ 'ire, 408. 

 Perezia,'83, 408. 



Arizouica, 409. 



Coultei-i, 409. 



iiiicroct'phala, 409. 



nana. 409. 



nuicinata, 408. 

 Pericome, 71, 322. 



caiulata, 322. 

 Perityle, 71, 320. 



Acmellu, 322. 



aglossa, 322. 



Californica, 321. 



Cnlifornica, 321, 322. 



coronopifolia, 321. 



dissecta, 321. 



Emory i, 321. 



Fitchii, 321. 



incana, 320. 



leptoglossa, 322. 



microglossa, 322. 



nuda, 321. 



Parryi, 322. 



plumigera, 321. 

 Perityle.k, 71. 

 Persooniii an'jiisfi folia, 303. 



lanceolaia, 303. 



latifvliu, 303. 

 Petasites, 79. -375. 



frigida, 376. 



palmata, 376. 



sagittata, 376. 



vulgaris, 376. 

 Peucephvllum, 79, 377. 



Schottii. .377. 

 Phwmictis, 207, 208, 209. 

 riiKthusii Americana, 287. 



boreiilis, 287. 

 Phalncroc/ine, 225. 

 Phalncroloma, 207, 218. 



(iculifolium, 219. 



Beyrichii, 219. 



obtttsi folium, 219. 

 Phalacrosoris, 84, 410. 



B.-landt'i-i, 410. 

 Phian.<, 328, 329. 

 Phihizera mullljlora, 347. 

 Plnjllacrocephala , 94. 

 PhyUactis obomta, 42. 

 Pkyllojjappus, 416. 



PJiyllnprippus, 124. 

 P/njllothcca, 123. 

 Picradcnia Richardsonii, 347. 

 I'icris, 85, 420. 



Dnruricn, 421. 



echioides, 421. 



iiieracioides, 420. 



Joponica, 421. 



Kamtschatica, 421 . 

 Picrothamnus dtsertoriim, 368. 

 Picroliis, 246. 

 Piiosella, 424. 



artjiita, 428. 



spathulaia, 426. 

 Pinaropappup, 85, 421. 



roseus, 421. 

 Pinckneva. 19, 23. 



pubenp, 2-3. 



pubescens, 23. 

 Pinhne.a pubescens, 23, 

 Ptiyopsis, 121. 



arf/eii/ca, 121. 



Ja'lcit,,, 122. 



(jraniinij'iilia, 121. 



'pinifolia, 122. 

 Plarjius, 364. 

 Plateilema, 344. 

 Platvcarpaja. 296. 

 Pliiiijlophns, 406. 

 Phifyschl;uhria, 332. 

 Pleclocephalus Americanus, 407. 

 Plectriti.s, 46. 



brachystemon, 47. 



capit<it/i, 47. 



C(ini/esta, 47. 



mdvrocerri, 46. 



major, 47. 



surnolifulia. 47. 

 Pluchea, 57, 225. 



bifi-ons, 226. 



borealis, 225. 



caniphorata, 226. 



Jotida, 226. 



(jlobrrita, 226. 



j\[(iryl(nidicn, 226. 



petiolala, 226. 



purjmrascevs, 226. 

 Pluciteixk.*;, 57.. 

 Plummera, 59, 237. 



rtori))iinda, 237. 

 Pofyactidiiim, 207. 219. 

 Polyactis, 207, 219. 

 Pohjdymia, 377. 

 Polymnia, 00, 238. 



Canadensis, 238. 



Caroliniana, 243. 



Tefraf/onoiheca, 255. 



Uvedalia, 2:i8. 

 Polymniastrum, 238. 

 Polypappus sericeiis, 225. 

 I'olvpteris, 74, 337. 

 '<."illo>.a, 337. 



Hockuriana, 3-37. 



intugri folia, 337. 



mterjrijhlia, 352. 



Texaiia. 337. 

 Porophyllum, 76, .354. 



aniplexicanle, 355. 



gracile, 355. 



Gre'/ijii, 355. 



macr<i(;i']ihalum, 354. 

 Prenantl'.cs, 87, 432. 



alata, 435. 



alba, 434. 



alba, 434, 435. 



altissinia, 434. 



aphyllo. 430. 



aspera, 433. 



(lutumiKilis, 433. 



Boottii, 435. 



cordata, 435. 



crepidinea, 433. 



crepiuincu, 434. 



deltoidea, 435. 



exirjua, 436. 



(jJaiica, 434. 



Jllinoensis, 433. 



juncen, 435. 



Mainensis, 433. 



Miamensis, 474. 



ovaia, 434. 



pauciftor'i, 413. 



j}iilyiiiorpIia, 431. 



proteophyUd , 434. 



jjygmcea, 431. 



raceniosa, 433. 



Poanensis, 434. 



rtibicitndn, 434. 



runrinata, 413. 



serpentaria, 434. 



simplex, 433. 



suavis, 434. 



tenuij'olin, 413. 

 Prionopsis, 125. 



Chiipmanii, 174. 



cilia/n. 125. 

 Provstia, 408. 

 Psficalium, 397. 

 Psathyrotes, 80, 377. 



annua, 377. 



incisit, 343. 



pilifcra, 377. 



ramosissima, 377. 



seapnsa, 378. 

 Pseudo-Baliia, 323. 

 Pseudo-Monolopia, 331. 

 Psilactis, 56, 170. 



asteroides, 171. 



brevilingulata, 171. 



Coulter!, 171. 

 Psilocarpiea, 296. 

 Psilocarphus, 58, 228. 



brerissimiis, 228. 



fjlobiferus, 228. 



bregar.us, 228. 



teneilus, 228. 

 Psilocluena, 431. 



occidentalis, 432. 

 Psiloslrophe (/naphnUodcg, 318. 

 Psychotria, 21, 30. 



chimarroides, 31. 



lanceolaia, 31. 



nervosa, 31. 



olif/dtricha, 31. 



?';//escens, 31. 



tenuifolia, 31. 



undata, 30. 

 Psychol rojihum, .30. 

 Ptarmica borealis, 363. 



vulgaris, 363. 

 Pterocaulon, 67, 226. 



pycnostachynm, 226. 



virgatum, 226. 

 Pteronia CnroUniana, 109. 

 I'torophyton, 287. 

 Ptilonicris, 327. 



nflinif, 327. 



anthemoidi's, 328. 



arist'ita, 327. 



coronaria, 327. 



