Epidendrum stamfordianum, iii. 240. 



stangeanum, iii. 240. 



stenopetalum, iii. 241. 



strophinx, iii. 241. 



subaquilum, iii. 241. 



subulatifolium, iii. 241. 



subulatifolium, iv. 304. 



— - teres, iii. 241. 



teres, iv. 295. 



tessellatum, iii. 241. 



tetraceros, iii. 241. 



tetrapetalum, iii. 286. 



trachycarpum, iii. 241. 



trachychilum, iii. 241. 



tribuloides, iii. 202. 



trichocarpon, iii. 269. 



tridens, iii. 235. 



tripterum, iii. 214, 233. 



tripunctatum, iii. 242. 



triste, iii. 235. 



turbinatum, iii. 242. 



turialvae, iii. 242. 



umbellatum, iii. 229. 



undulatum, iii. 280. 



uniflorum, iii. 218. 



utricular ioides, iii. 290. 



varicosum, iii. 242. 



varicosum, iii. 227; iv. 304, 305. 



vandifolium, iii. 242. 



venosum, iii. 242. 



verrucosum, iii. 234. 



vieji, iii. 242. 



virens, iii. 242. 



virens, iii. 233. 



virescens, iii. 225. 



virgatum, iii. 242. 



virgatum, iv. 304, 305. 



viridipurpureum, iii. 225. 



viscidum, iii. 228. 



viscidum, iv. 302, 303. 



vitellinum, iii. 243. 



vitellinum, iv. 304. 



volutum, iii. 243. 



wagneri, iii. 242. 



warscewiczii, iii. 243. 



EPIGYN^E, iii. 308. 

 Epilepis rudis, ii. 196. 

 Epilobium, i. 449. 

 Epilobium, iv. 243. 

 Epilobium brachycarpum, i. 450. 



coloratum, i. 450. 



mexicanum, i. 450. 



repens, i. 450. 



repens, iv. 149. 



Epipactis, iii. 304. 



JEpipactis americana,iv.. 304; iv. 269. 



gigantea, iii. 304. 



INDEX. 



EpiphyUum ackermanni, i. 547. 



Episcia, ii. 482. 



Episcia chontalensis, ii 482. 



congesta, ii. 482. 



cupreata, ii. 482. 



lanceolata, ii. 482. 



lilacina, ii. 482. 



punctata, ii. 483. 



rosea, ii. 447 ; iv. 300. 



Epithecia glauca, iii. 231. 

 EQUISETACE^E, iii. 698. 

 Equisetacece, iv. 200, 204. 

 Equisetum, iii. 698 ; iv. 163. 



annuliferum, iii. 700. 



bogotense, iii. 699. 



debile, iii. 699. 



elongatum, iii. 699. 



giganteum, iii. 699. 



Icevigatum, iii. 699. 



mexicanum, iii. 699. 



muUeri, iii. 700. 



myriochsetum, iii. 699. 



ramosissimum, iii. 699. 



robustum, iii. 700. 



schaffneri, iii. 700. 



Eragrostis, iii. 572. 

 Eragrostis, iii. 567, 572. 

 Eragrostis acutiflora, iii. 572. 



amcena, iii. 572. 



capillaris, iii. 573. 



caudata, iii. 573. 



ciliaris, iii. 573 ; iv. 109, 114. 



ciliaris, iv. 165. 



cognata, iii. 575. 



domingensis, iii. 574. 



excelsa, iii. 573. 



fendleriana, iii. 573. 



Jlavescens, iii. 575. 



glumacea, iii. 573. 



hirsuta, iii. 574. 



limbata, iii. 573. 



lugens, iii. 573. 



lugens, iii. 574. 



major, iii. 575. 



maxima, iii. 574. 



maypurensis, iii. 574. 



megistachya, iii. 575. 



mexicana, iii. 574 



— — minor, iii. 575. 



montufari, iii. 574 



oxylepis, iii. 574. 



palmeri, iii. 575. 



panamensis, iii. 574 



parvula, iii. 575. 



pauciflora, iii. 575. 



pauciflora, iii. 573. 



pectinacea, iii. 575. 



393 



Eragrostis pilosa, iii. 575. 



pilosa, iii. 574. 



poeeformis, iii. 575. 



poaeoides, iii. 575. 



poceoides, iii. 573. 



polytricha, iii. 574. 



— — purshii, iii. 575. 



reptans, iii. 576. 



secundiflora, iii. 576. 



simpliciflora, iii. 576. 



tephrosanthos, iii. 573, 575. 



uninervia, iii. 576. 



unionis, iii. 575. 



verce-crucis, iii. 574. 



virescens, iii. 576. 



virletii, iii. 576. 



Eranthemum, ii. 511. 



Eranthemum alatum, ii. 511. 



cordatum, ii. 511. 



cuspidatum, ii. 511. 



fasciculatum, ii. 511. 



hispidulum, ii. 511. 



praecox, ii. 511. 



Erasmiajloribunda, iii. 60. 



Erblichia, i. 475. 



Erblichia, iv. 170, 212, 222, 230, 244. 



Erblichia odorata, i. 475 ; iv. 39. 



Erechthites, ii. 234. 



Erechthites, iv. 234, 252. 



Erechtbites carduifolia, ii. 234. 



bieraciifolia, ii. 234. 



petiolata, ii. 234 



runcinata, ii. 234. 



valeriansefolia, ii. 234. 



Ereicotis acerosa, iv. 47. 



acerosa, ii. 31. 



fasciculata, iv. 47. 



Eriachcenium, ii. 250. 



Erianthus, iii. 520. 

 Erianthus alopecuroides, iii. 520. 



brevibarbis, iii. 520. 



contoi-tus, iii. 520. 



saccbaroides, iii. 520. 



Erica, iv. 212. 



ERICACEAE, ii. 276 ; iv. 67. 

 Ericaceae, i. 98; iv. 185, 203, 225, 234, 



254 

 Ericala spathacea, ii. 351. 

 Erigeron, ii. 123. 

 Erigeron, ii. 119 ; iv. 150, 213, 252. 

 Erigeron affinis, ii. 123. 



apurensis, ii. 125. 



arizonicus, iv. 53. 



bonariensis, ii. 123. 



canadensis, ii. 123 ; iv. 103. 



cinerem, ii. 124. 



delphinifolius, ii. 124. 



