INDEX. 
Page. 
seams ceseumminsd L 222 
, Gra 372 
odo: ratissima, Dente ieaveceksun: wocrouee 221, 372 
villosa, Benth 372 
villosa, var. eo SPENY OSe era eee 372 
, Gra 184 
canes Wrightii, Gra 69 
, Moq 236 
pv am | a 2 Va 42 al. oe VW , Kunth 283 
gracilis, EN cae a vedesvc cae edcoR ease 284 
, Loi 284 
pungens, Thurb 284 
sylvatica, T. & G 284 
exana, Thu 283 
ponte Puhr, Nate esse wns nk sree es 182 
341 
M trachysty , Nutt 132 
My : bs 56 
Myriopteris gracilis, Fée 314 
Myurella jul , Breh. & Sch 247 
268 
Naias major, All 268 
Nama hispid, Gray Sexe 201 
cemanatipan — (Pl. XVOD 369 
obtusum, Nutt, var. alpinum, Watson. . 355 
officinale, 355 
palustre, frais 61 
palustre, ee var. hispidum, Gray ..-.- 61 
sinuatum, 61 
W, a <. Weene 42, 84 
Californieum, T.&G 357 
Neillia lia, Benth. & Hook 110 
aucifiora, Benth. & Hook 110 
setinnbteias Juss 194 
Nepeta taria, L 223 
e Filia-mas, Richard ......... as Sees ale 333 - 
loridanum, Hook 333 
SeOORUM, MIGHS 5.6. oo cuu cca cs eee 314 
rigidum, ? var. americanum, Hook ..... 334 
Nicotiana 
attenuata, Torr 209, 370 
Clevelandi, Gra; 48, 370 
rigonophylia, Duna) ..0..5 2.22. se. sce 209 
phila ese Watson 233 
potato candida, H 307 
candida, var. Hook 308 
eretacea, D. C. Eaton 308 
DORDOIR, MNOS cbcaeuee oc sone apiacees: 308 
Fendleri, got Ge diesekys nar eass canoer 309 
Sprruginen: Hook. 2. os occa cone peas 306 
Hookeri, D.C. Baio i ig EP. S. 6 ae anaes 305, 308 
hypolenca, OUNEEY oon ca cbud ce eae 306 
, Mart ea 306 
Wewberryi, 'D C. Eaton 307 
ivea 809 
memenye 2). CO. HAGON 202. cliee ec ac ecnenn 306 | 
NON BOO Coooen ii cncel ecced dae skenne 306 
pulveracea, Kunze 307 
Py BIE aoe Ce ence ocgnns tie lew seine 306 | 
oi gs eee Fa es ister pe AE hh 305 
sulphurea, J. Smith..........-- Se wees & 307 
tenera, Gill 309 
19, 225 
Oak (Serub) 359 
, Moq 237 
Page. 
Obione pentebicbee i 237 
rely nee Be 237 
natin bien Nutt 122 
albicaulis, Nutt., var. runcinata, Engelm.. 122 
gsi TIGOR BIN Ses cote 123 
WME Si pro vais Sareea en Coe aaa aes 121 
bie sent L., var. grandiflora, T. & G...-... 121 
biennis, L., var: grandiflora, get. aanane 361 
biennis, L., var. hirsutissima, Gray ...... 121 
bistorta, Nu ws var. ? Veitchiana, Hook os 361 
Boothii, Do 123 
pee man oan cinder sadecuenne wees wend ais 
Californica, Watson . .....0.0. 25.0005 122, 361, 363 
chetranthifolia, Macsadk var. suffruticosa, 
361 
scion aterad T.&G 122 
Greggii, Gra, 123 
Hartwegi, Bon 1 Glee ii saa! 122 
we Benth., var. Fendleri, “Wat. 
Hartwou, Benth., var. lavandulefolia, 
Watson 123 
heterantha, Nutt............ hee St aes 122 
ookeri, 'T, & G 121 
lavandulefolia, T. & G 123 
moloraiitha, HOrmeni: ... 5.56. osecieense bees 862 
Nuttalli, T. & ¢ 122 
pce Age | eau aie pin pneins y 121 
rosea, Ait 122 
scapoidea, Nutt 123 
scmpiden Nutt., var. purpurascens. ...... 123 
sin L., gran ae Wstaens 25000 0.. 121 
tick cl Fa gece eae pa Seuss duaveeee 121 
Py) PIMs I os on siee Cand es poked pases 122 
OLEACEX 185 
ONAG f.  pacengesen 120, 361 
pioweinocisteye 22, 204 
18, 340 
Opuntia — ogi. Be Se een as oan, 131 
TONCHIG, TNGOMN Foo. CSc. ase ens aac 130 
ilaris, pelea & patie eee eaenetee a ee 129 
Binglovn, senpem cs voce eee 130, 131 
ata, erate Pe ueVsSeel oe benWonboounens 
i ocarpa, Ki pen kaae send ennnhe bude 131 
Sale, var.? littoralis, Engelm. 362 
Jeroz, Nutt........ 129 
MINE Cokes cSacte Le caepecaume 131 
fulgida, Bugehn. & Bigel...... Liga eae 131 
deplocantlis, DO oo nore ee ics ncn eee 131 
mamillata, Schott Ge 
ORE oe eS o ive eee coc ble ees 129 
PRCTICAME, SOON eee oe sa ce eee 130 
le POU Coon veya iccscaetawcenecs 131 
ORCHIDES 264, 376 
217 
Orthocarpus a Nu 216 
Sade, be Ana. Secetekunas 216 
Orthomeris 152 
Oryzopsis micrantha, Thurb... 285 
Osha 45 
327 
ternata, ME MHUONEE canks akateescuwac econ ks 340 
Oxetis vaeacen, 3 81 
y ifoli , Sweet 226 
226 
Gxybephas peta hpeue var. 226 
