INDEX. 



449 



Peperomia tuberosa, iii. 66. 



turialvensis, iii. 65. 



umbilicata, iii. 65. 



Peponopsis, i. 483. 

 Peponopsis adhserens, i. 484. 

 Peraltea lupinoides, i. 253. 



oxyphylla, i. 254, 256. 



Perdicium cordatum, ii. 256. 

 Pereilema, iii. 543. 

 Pebeskia, i. 555. 

 PeresMa bleo, i. 555. 



calandrinisefolia, i. 555. 



lycbnidiflora, i. 555. 



opuntiseflora, i. 555. 



pititaebe, i. 555. 



rotundifolia, i. 555. 



spatbulata, i. 555. 



zinniaeflora, i. 555. 



Pebezia, ii. 255. 

 Pere&ia, iv. 213, 252. 

 Perezia adnata, ii. 255. 



r adnata, iv. 64. 



alamani, ii. 255. 



alamani, iv. 64. 



arizonica, iv. 65. 



carpbolepis, iv. 64. 



coulteri, ii. 256. 



coulteri, iv. 65. 



dugesii, iv. 64. 



formosa, iv. 65. 



fruticosa, ii. 256. 



fruticosa, iv. 64. 



bebeclada, ii. 256. 



humboldtii, ii. 256 ; iv. 65. 



moscbata, ii. 256. 



nana, ii. 256. 



nudicaulis, ii. 256. 



oxylepis, ii. 256. 



parryi, ii. 256. 



patens, ii. 255. 



patens, iv. 64. 



platypbylla, ii. 256. 



reticulata, ii. 256. 



reticulata, iv. 65, 289. 



rigida, ii. 257. 



runeinata, ii. 257. 



seemannii, ii. 257. 



thurberi, ii. 257. 



thurberi, iv. 65. 



tbyrsoidea, ii. 257. 



turbinata, ii. 257 ; iv. 65. 



wislizenii, ii. 257. 



wrightii, iv. 65. 



Pebicome, ii. 214. 

 Pericome caudata, ii. 214. 



spilantboides, ii. 215. 



PEBIErLEMA, ii. 543. 



Perieilema ciliatum, iii. 543. 

 — — crinitum, iii. 544. 



setarioides, iii. 544. 



Pebilomia, ii. 570. 

 Perilomia cordifolia, ii. 569. 



fruticosa, ii. 569. 



tomentosa, ii. 570. 



Pebipteba, i. 113. 

 Periptera punieea, i. 113. 

 Pebistebia, iii. 259. 

 Peristeria barkeri, iii. 259. 



cerina, iii. 252. 



elata, iii. 259. 



humboldtii, iii. 260. 



longiscapa, iii. 253. 



Pebityle, ii. 210. 



Perityle aglossa, ii. 210 ; iv. 142. 



coronopifolia, ii. 210. 



microglossa, ii. 210. 



nuda, iv. 142. 



parryi, iv. 142. 



Pernettya, ii. 280. 

 Pernettya, iv. 234, 254. 

 Pernettya buxifolia, ii. 280. 



buxifolia, iv. 290.' 



• ciliaris, ii. 280. 



coriacea, ii. 280. 



coriacea, iv. 159. 



pilosa, ii. 280. 



pilosa, iv. 290. 



setigera, ii. 280. 



Perrottetia, i. 190. 

 Perrottetia .ovata, i. 190. 



quindiuensis, i. 190. 



Pebsea, iii. 71. 



Persea amplexicaulis, iii. 71. 



areolafca, iii. 71. 



cserulea, iii. 72. 



cinnamomifolia, iii. 71. 



drimyfolia, iii. 71. 



effusa, iii. 71. 



gratissima, iii. 71. 



gratissima, iv. 147, 301. 



bartwegii, iii. 72. 



laevigata, iii. 72. 



longipes, iii. 72. 



mexicana, iii. 72. 



oblonga, iii. 71. 



orizabse, iii. 72. 



orizabce, iv. 293. 



pacbypoda, iii. 72. 



parvifolia, iii. 71. 



salicifolia, iii.. 72. 



scbiedeana, iii. 71. 



veraguensis, iii. 72. 



vulgaris, iii. 71. 



Perymenium, ii. 180. 



Perymenium barclayanum, ii. 

 180. 



berlandieri, ii. 181. 



bupbtbalmoides, ii. 181. 



cervantesii, ii. 181. 



cervantesii, iv. 288. 



discolor, ii. 181. 



gracile, ii. 181, 



grande, ii. 181. 



gymnolomoides, ii. 182. 



mendezii, ii. 182. 



parvifolium, ii. 182. 



tenellum, ii. 182. 



verbesinoides, ii. 182. 



Perytile parryi, ii. 210. 



Pescatoria cerina, iii. 251. 



Peschiera litoralis, ii. 309. 



Petalonyx, i. 472. 



Petalonyx crenatus, iv. 38. 



— — tburberi, i. 472. 



Petalostemon, i. 249. 



Petalostemon, iv. 239. 



Petalostemon candidum, i. 250. 



exile, i. 250. 



Petasostylis nigrescens, ii. 345. 



saponarioides, ii. 345. 



Petastoma patellifera, ii. 491. 



Petebia, i. 256. 



Peteria scoparia, i. 256. 



scoparia, iv. 140. 



Peterostemon, iv. 240. 



Petesia grandis, ii. 38. 



minor, ii. 38. 



Petitia, ii. 538. 

 Petitia oleina, ii. 539. 

 Petivebia, iii. 29. 

 Petiveria alliacea, iii. 29. 



ochroleuca, iii. 29. 



Petbzea, ii. 535. 



Petraea arborea, ii. 536; iv. 113. 



erecta, ii. 536. 



mexicana, ii. 536. 



ovata, ii. 536. 



volubdis, ii. 536. 



Petunia, ii. 436. 

 Petunia parviflora, ii. 436. 



villadiana, ii. 436. 



viscidula, ii. 436. 



PEUCEDAOTLE, i. 570. 

 Pettcedanum, i. 570. 

 Peucedanum mexicanum, iv. 46. 



nevadense, i. 570. 



tolucense, i. 570. 



tolucense, iv. 286. 



Peucephyllum, ii. 229. 



schotti, ii. 229. 



Peyritschia kcelerioides, iii. 555. 



