INDEX. 



497 



Californica, 452. 

 Chapmanii, 456. 

 coruuta, 452. 

 corymhosa, 459. 

 cruciata, 458. 

 cruciata, 458. 

 cucullnta, 449, 452. 

 Curtissii, 456. 

 cuspidata, 458. 

 cymosa, 459. 

 cijinosa, 459. 

 fastlijiata, 457. 

 Fish ice, 452. 

 flahellata, 451. 

 gramineifulia, 459. 

 graudiflora, 450. 

 grandljiora, 450. 

 liemipterocarpa, 453. 

 Hookeri, 457. 

 incarnata, 455. 

 leptocmdls, 455. 

 leptostachys, 456. 

 Liudheimeri, 451. 

 Lindheimeri, 451. 

 lutea, 459. 

 Uitea, 458. 

 macradenia, 450. 

 Mariana, 457. 

 Muhlenhergli, 450. 

 myrtilloides, 450. 

 nana, 458. 

 Nutkana, 449. 

 Nntkana, 452. 

 Nuttalli, 457. 

 Nuttallii, 457. 

 ovnii folia, 450. 

 ovatifolia, 450. 

 paludosa, 455. 

 paniculata, 455. 

 paucifolia, 453. 

 polygama, 453. 

 prastervisa, 454. 

 Pseitdosenega, 459. 

 piiberula, 450. 

 pubescens, 450. 

 ptibescens rosea, 450. 

 purpurea, 453, 457. 

 raniosa, 459. 

 Reipioldsce, 459. 

 ndiella, 454. 

 Rugelii, 459. 

 Rusbyi, 451. 

 sanguinea, 457. 

 samjuinea, 457. 

 scoparia, 453. 

 sr.oparioides, 453. 

 Senega, 454. 

 Senega, 450, 454. 

 setacea, 456. 

 sithalata, 455. 

 subspinosa, 452. 

 Texensis, 451. 

 Torrei/i, 457. 

 Tweedyi, 451. 

 unifiora, 453. 

 verticillata, 456. 

 viridescens, 457, 458. 



POLYGALACE^, 448. 



Poplar, 61. 



Puppy, 88. 



Porcelia grandiflora, 63, 464. 



parvijiora, 62, 63. 



pijgmcea, 64. 



triloba, 63. 

 Porlieria, 356. 



atKjusti folia, 356. 

 Portulaca, 262, 263. 



coronata, 264. 



foliosa, 264. 



grandiflora, 264. 



halimoides, 264. 



halimoidfs, 264. 



lauceolata, 263. 



oleracea, 263. 



oleracea, 264. 



paniculata, 265. 



parvula, 264. 



pilosa, 264. 



pilosa, 264. 



Portulacdstrum, 259. 



retusa, 263. 



stelliformis, 264. 



saffrutescens, 264. 

 PORTULACACE^, 262. 

 'Possum Grape, 424. 

 Post-oak Grape, 428. 

 Potamopithgs, 281. 

 Poverty Grass, 191. 

 Preonanthus, 9. 

 Prickly Ash, 373. 



Poppy, 87. 

 Pride of India, 387. 

 Prinoides, 389. 

 Prinos, 390. 



ambiguus, 390. 



atomarius, 390. 



confertus, 391. 



coriaceus, 390. 



deciduus, 389. 



dubius, 390. 



r//«/)er, 390. 



Gronovii, 391. 



inlegrifilius, 391. 



livvigatus, 391. 



lanreolata, 391. 



longipes, 39 1 . 



lucldus, 390. 



padifollus, 391. 



verticil latus, 391. 

 Pseudagrostemma, 227. 

 Pseicdaphanoste nima, 22. 

 Pseudarabis, 159. 

 Pseudoarabis, 159. 

 Psendo-Malvastrum, 321. 

 Pseudo-Napcea, 322. 

 Psilonema, 115. 

 Ptelea, 370, 372. 



angnstifolia, 373. 



aptera, 372. 



Baldwinii, 373. 



crenulata, 373. 



7no;//s, 373. 



monophi/lla, 393. 



parvi/olia, 372, 373. 

 32 



pentandra, 372. 



petitaitdra, 373. 



podocarpu, 373. 



tomentosa, 373. 



trifoliata, 372. 



trifuliata, 373. 



vit lei folia, 373. 

 Pterophi/Uum, 41. 

 Pterota, 374. 

 Ptdsatilla, 9, 462. 



hirsutlsslma, 9. 



multiceps, 462. 



NuttaUiana, 9. 



occidentalis, 9. 



patens, 9. 

 Pmicticu/osis, 420. 

 Purslane, 263. 

 Pijx'tpoma, 259. 



Quassia Simaruba, 378. 

 Qui/iaria, 431. 



hederacea, 431. 



hirsuta, 431. 



Raccoon Grape, 424. 

 Racine d'Amere, 267. 

 Rudiana, 258. 

 Radish, 132, 133. 

 Ragged Robin, 227. 

 RANUNCULACEtE, 1, 461. 

 Itanunculus, 2, 20, 462. 



abortivus, 32. 



abortivus, 32. 



acriformis, 34. 



acris, 35. 



Gcm, 34, 35. 



adoneus, 29. 



adoneus, 30. 



affinis, 31. 



«//in/s, 30, 31, 34. 



alceus, 39. 



alismaefolius, 27, 463. 



alismwfolius, 27. 



alismellns, 27. 



AUegheniensis, 32, 463. 



Altaicus, 28. 



ambigens, 27. 



amoenus. 29, 31 . 



Andersonii, 22, 462. 



Andersonii, 463. 



aquatilis, 2 1 . 



atprntilis, 21, 22. 



arcticus, 31. 



Arizonicus, 30. 



^lrero?i/c((.s, 30, 31. 



arvensis, 38. 



auricomus, 31, 32. 



Austinje, 39. 



fieci/i, 24. 



Belvisii, 37. 



Biolettii, 26. 



Bloomeri, 32. 



Bolanderi, 27. 



Bonariensis, 26. 



Bonqardi, 33. 



brevicaulis, 28, 31. 



bulbosus, 35. 



