INDEX. 



439 



Nymphaea undulata, i. 26. 

 NYMPILEACE^E, i. 24; iv. 4. 

 Nymphceaceee, iv. 172, 204, 214, 216. 

 NYMPELE^E, i. 25. 

 Nunnezharia, iii. 402. 



— geonommformis, iii. 404. 



tenella, iii. 407. 



Nunnezia, iii, 402. 



Obeliscaria eolumnaris, ii. 167. 

 Obione acanthocarpa, iii. 24, 25. 



armaria, iii. 24. 



berlandieri, iii. 24. 



canescens, iii. 24, 25 ; iv. 141. 



confertifolia, iii. 25. 



elegans, iii. 24. 



hymenelytra, iii. 25. 



TcuntMana, iii. 25. 



linifolia, iii. 25. 



muricata, iii. 25. 



oceidentalis, iii. 24. 



; polygama, iii. 25. 



radiata, iii. 24. 



salicifolia, iii. 25. 



spinosa, iii. 25. 



tetraptera, iii. 24. 



Ocampoa, iii. 297. 

 OCHNACE^E, i. 176. 

 Ochnacece, i\. 176, 205, 216. 

 OOHNE^E, i. 176. 

 Ochroma, i. 125. 

 Ochroma, iv. 237. 

 Ochroma lagopus, i. 125. 

 Ocimum ii. 541. 

 Ocimum campechianum, ii. 541, 



carnosum, ii. 541. 



micranthum, ii. 541. 



sellowii, ii. 541. 



Ocotea, iii. 72. 

 Ocotea, iv. 231. 

 Ocotea bullata, iii. 74. 



diminuta, iii. 73. 



efifusa, iii. 73. 



helicterifolia, iii. 73. 



klotzschiana, iii. 73. 



longipes, iii. 73. 



mexieana, iii. 73. 



mollis, iii. 74, 75. 



mucosa, iii. 73. 



— - — pyschotrioides, iii. 73. 



salicifolia, iii. 74, 75. 



— — sieberi, iii. 73. 



subsessilis, iii. 73. 



subtriplinervia, iii. 74. 



tanipicensis, iii. 74. 



umbroja, iii. 74. 



Octomebia, iii. 209. 

 Octopleuba, i. 432. 

 Octopleura diversifolia, i. 432. 



micrantha, i. 432 ; iv. 36. 



micrantha, iv. 242. 



quinquenervia, i. 433. 



Odontadenia, ii. 313. 

 Odontadenia grandiflora, ii. 314. 



harrisii, ii. 314. 



speciosa, ii. 314. 



Odontocabya, i. 20. 

 Odontocarya hedercefolia, i. 21. 



tamoides, i. 21. 



Odontoglossum, iii. 273. 

 Odontoglossum, iii. 278 ; iv. 124, 213, 



269, 271. 

 Odontoglossum apterum, iii. 274. 



aspasia, iii. 273. 



beloglossum, iii. 274. 



bictoniense, iii. 274. 



caeruleseens, iii. 274 ; iv. 304. 



cariniferum, iii. 274. 



cariniferum, iv. 295. 



cervantesii, iii. 274. 



ehiriquense, iii. 274. 



ehiriquense, iv. 295. 



citrosmum, iii. 274. 



cordatum, iii. 275. 



dawsonianum, iii. 275. 



egertoni, iii. 275. 



ehrenbergii, iii. 275. 



ehrenbergii, iii. 274. 



ei'osum, iii. 277. 



galeottianum, iii. 275. 



galeottianum, iv. 295, 304. 



ghiesbreghtianum, iii. 275. 



grande, iii. 275. 



hastatum, iii. 282 ; iv. 302. 



hastilabium, var. fuscatum, iii. 



274. 



hookeri, iii. 275. 



insleayi, iii. 275. 



karwinskii, iii. 275. 



krameri, iii. 276. 



laeve, iii. 276. 



leucomelas, iii. 276. 



lindleyi, iii. 283; iv. 302. 



londesboroughianum, iii. 276. 



luddemanni, iii. 275. 



macrum, iii. 276. 



maeulatum, iii. 276 ; iv. 302. 



madrense, iii. 276. 



madrense, iv. 269. 



maxillare, iii. 276. 



membranaceum, iii. 274; iv. 



304, 305. 

 nebulosum, iii. 276. 



Odontoglossum nebulosum, iv. 305. 



cerstedii, iii. 276. 



cerstedii, iv. 158, 295. 



oliganthum, iii. 277. 



pendulum, iii. 274. 



phyllochilum, iii. 282. 



principissa, iii. 273. 



pulchellum, iii. 277. 



pygmasum, iii. 277. 



ramulosum, iii. 278. 



reichenheimii, iii. 277. 



rossii, iii. 274. 



rubescens, iii. 277. 



schlieperianum, iii. 277. 



stellatum, iii. 277. 



tigrinum, iii. 286. 



uroskinneri, iii. 277. 



vexativum, iii. 277. 



warneri, iii. 287. 



, var. purpuratum, iii. 287. 



warnerianum, iii. 278. 



warscewiczianum, iii. 277. 



Odontoloma sehlechtendalii, iii. 605. 



Odonlotrichum cirsiifolium, ii. 237. 



(Edipachne, iii. 483. 



CEnanthe, i. 569. 



(Enanthe, iv. 150. 



GEnotkeba, i. 452. 



(Enothera, iv. 140, 148, 213, 234, 243. 



Oenothera albicaulis, i. 452. 



anomala, i. 467. 



berlandieri, i. 453. 



berlandieri, iv. 37. . 



biennis, i. 453. 



bracbycarpa, i. 453 ; iv. 37, 



chamaenerioides, i. 453. 



corymbosa, i. 454. 



cuprea, i. 453. 



dentata, i. 453. 



dissecta, iv. 37. 



elata, i. 453. 



i. 453. 

 i. 453. 



greggii, i. 453. 



hartwegii, i. 453 ; iv. 37. 



hirsuta, i. 453. 



hirsuta, iv. 37. 



hirsutissima, i. 453. 



latiflora, i. 453. 



littoralis, i. 454. 



macrosceles, i. 454 ; iv. 37. 



mexieana, i. 454. 



micrantha, i. 454. 



micrantha, i. 453. 



pallida, i. 452. 



pinnatifida, i. 454. 



rosea, i. 454. 



